Related Manuals for NKT Photonics Koheras ADJUSTIK
Summary of Contents for NKT Photonics Koheras ADJUSTIK
- Page 1 800-645-01 Koheras ADJUSTIK Product Guide Revision 1.2 10-2023 1560.7300 nm Emission ON 29.9 mW...
- Page 2 PRODUCT GUIDE This guide includes the following NKT Photonics lasers: Koheras ADJUSTIK Low Noise Single Frequency Laser System Koheras ADJUSTIK HP High Power Low Noise Single Frequency Laser System Disclaimer: This document is an early release and therefore subject to change. You can download the latest revision of NKT Photonic manuals from: https://www.nktphotonics.com/product-manuals-and-documentation/...
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Page 3: Guide Overview
Terminology This guide may refer to the Koheras ADJUSTIK and ADJUSTIK HP as “the laser”. In many cases, ADJUSTIK is used to describe both the ADJUSTIK and ADJUSTIK HP. In other cases where a distinction is required, this guide will make a clear referral to the actual laser model names. -
Page 4: Chapters Inside
Chapters inside This guide includes the following chapters: • Chapter I “Laser Description” — Describes the laser including its general operational principles, management and interfaces. • Chapter 2 “Modulation” — Implementation information for wavelength and amplitude modulation. • Chapter 3 “Front Panel Operation”... -
Page 5: Revision
Revision This section records the document revision details. Date Revision Changes 2023-03 First release for new redesign of Koheras ADJUSTIK. 2023-08 Updated Table 16 on page 107: Max. current for pins 7,8 and 15 reduced to 2 A. • 2023-10 Updated all images showing the warranty void label placement on the top panel of the laser. - Page 6 < 6 >...
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Page 7: Table Of Contents
CONTENTS Guide Overview ........................... 3 Safety ..........................3 Terminology ........................3 Target audience ....................... 3 Chapters inside ........................ 4 Added information and safety notices ................4 Revision ........................... 5 TABLES ............................. 13 FIGURES ........................... 15 PROCEDURES .......................... 17 Description......................19 1 Laser Description ........................ - Page 8 High temperature shutdown ................... 29 Power verification ......................29 Optical interface ........................30 Optical fibers, connectors and adapters ................. 30 Laser Control ........................31 User interface ......................... 31 Chassis labels........................31 2 Modulation ..........................33 Fast wavelength modulation ....................33 Configuring wavelength modulation ................
- Page 9 Status badge ........................49 Front panel controls ......................50 Key switch ........................50 Tuning dial and button ....................50 Power button ........................50 Emission button ......................50 Enabling emission from the front panel................51 Tuning the laser from the front panel ................... 52 4 Communicating with the Laser....................
- Page 10 Amplitude modulation ..................... 71 Ethernet .......................... 72 Watchdog ........................73 Clock ..........................74 Front panel ........................74 View ..........................76 CONTROL menu items ......................77 Key Updater tool ......................77 Log Downloader ......................78 Extensions Overview ...................... 79 CONTROL – Control panel ....................81 Power mode ........................
- Page 11 Output trigger ......................... 95 Connecting the optical output....................96 Cleaning of fiber facets ......................96 Cleaning tools ........................ 96 A Specifications........................... 101 B Service and Support Information ..................... 105 Servicing the laser......................105 Opening the laser chassis .................... 105 WARRANTY VOID IF REMOVED Label ..............105 Support contact details.......................
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Page 13: Tables
Table 8: Device Monitor parameters................... 82 Table 9: Power specifications ..................... 94 Table 10: Koheras ADJUSTIK optical specifications ..............101 Table 11: Koheras ADJUSTIK HP optical specifications ............102 Table 12: Mechanical dimensions..................... 102 Table 13: Operating and storage environment ................. 103 Table 14: Electrical ........................ - Page 14 < 14 >...
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Page 15: Figures
Figure 15: Differential input for amplitude modulation graph ............41 Figure 16: Single-ended input for amplitude modulation graph ..........41 Figure 17: Koheras ADJUSTIK in a Pound-Drever-Hall configuration ........42 Figure 18: Front panel display and controls................45 Figure 19: OLED display layout ....................46 Figure 20: Wavelength tuning increment and setpoint.............. - Page 16 Figure 35: Internal generator waveform selection – Type............70 Figure 36: Turning on wavelength modulation................71 Figure 37: Amplitude modulation source settings ............... 72 Figure 38: Internal generator amplitude modulation settings............72 Figure 39: Ethernet setting......................73 Figure 40: Watchdog setting ....................... 74 Figure 41: Clock setting ......................
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Page 17: Procedures
PROCEDURES Procedure 1: Enabling emission ....................51 Procedure 2: Wavelength tuning....................52 Procedure 3: Power level tuning ....................52 Procedure 4: Connecting a PC to the laser using a USB cable ..........53 Procedure 5: Connecting a PC to the laser using Ethernet ............55 Procedure 6: Turning on the laser using CONTROL .............. - Page 18 < 18 >...
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Page 19: Description
Section 1 Description This section provides a description of the following topics: • “Laser Description” on page 21 • “Module variants” on page 23 • “Front and rear panels” on page 25 • “Laser features” on page 27 • “Optical interface” on page 30 •... - Page 20 < 20 >...
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Page 21: Laser Description
Laser Description The Koheras ADJUSTIK and ADJUSTIK HP are single frequency distributed feedback (DFB) fiber lasers with passive vibration reduction. Both models are housed within a rack mount control chassis which includes a front panel operations interface. Their optical output is defined by an ultra-narrow line width in the Hertz range and exceptionally low frequency and intensity noise. -
Page 22: High Power Variants
Theory of operation The Koheras ADJUSTIK and ADJUSTIK HP are fiber lasers that use a fiber Bragg grating cavity to produce a single mode laser output. The center wavelength of the laser is configurable using either thermal substrate control or optional Piezo components. -
Page 23: Module Variants
Module variants Both the Koheras ADJUSTIK and ADJUSTIK HP are available in three variants and in addition, a special T20 variant is available for barium atom applications. The variants are in general classified by their wavelength and output power. -
Page 24: Tuning Types
Module variants ADJUSTIK HP The output power for ADJUSTIK HP lasers is variable from 10-100% Tuning types ADJUSTIK variants are built with different tuning type options. The options include narrow and wide thermal tuning for coarse adjustment, Piezo tuning for finer adjustment, and output power tuning. -
Page 25: Front And Rear Panels
Front and rear panels Front and rear panels Front panel Figure 2 shows the front panel of the laser. On the front panel are two optical outputs, main and monitor. The front panel also includes controls to turn on and operate the laser autonomously without using CONTROL software. -
Page 26: Rear Panel
Front and rear panels Figure 2 ADJUSTIK front panel layout Optical output (main fiber output) 6 Emission button 2 Monitor optical output 7 Rack mounting flange and finger-grip 3 USB serial connector 8 Power button 4 OLED display panel 9 Keyswitch 5 Tuning dial and selection button Rack mounting There is a flange on each side of the front panel for mounting the laser in a... -
Page 27: Optical Specifications
Optical specifications defeater must always be placed on the External bus connector to loop back the interlock safety circuit – see “Connecting the safety interlock” on page Figure 3 ADJUSTIK rear panel layout AC mains inlet 4 Standard 10/100 Mbps Ethernet port 2 LEMO door interlock connector 5 External bus 3 Modulation (input and output) -
Page 28: External Cavity Stabilization
Laser features Input circuits Section “Fast wavelength modulation” on page 33 provides examples of fast wavelength modulation circuits and performance. Wavelength+/- Signal To modulate the laser’s wavelength, you can apply an external differential signal to the modulation connector pins on the rear panel. As the input signal varies and increases its positive potential, the wavelength of the laser increases. -
Page 29: Operating Mode
E15 & X15 Better Performance Not Recommended Both ADJUSTIK & ADJUSTIK HP, for T20 variants contact NKT Photonics. Variants that support both modes are configured from the factory to oper- ate in Power mode by default. To set the operating mode, see “Power mode”... -
Page 30: Optical Interface
Monitor – a low power output intended for monitoring purpose only. The output is classified as a laser CLASS 1 and therefore it does not require a laser aperture label. Contact NKT Photonics support for information on how the laser’s optical ports are assigned. See “Support contact details” on page 106. -
Page 31: Laser Control
The laser and any associated accessories are controlled either from a PC using NKT Photonics’ CONTROL management software or the front panel interface. As an option, the laser can also be controlled using NKT Photonics’ Software Development Kit (SDK) for custom applications. For further information regarding the SDK refer to download link found on: https://www.nktphotonics.com/support/... -
Page 32: Table 4 Module Labels
Chassis labels Table 4 Module labels Label Panel Description Classification - Safety information stating the laser Emission emission hazards and the laser’s class WARNING- INVISIBLE LASER RADIATION Hazards rating. AVOID EXPOSURE TO BEAM CLASS 3B LASER PRODUCT Koheras ADJUSTIK Classification - Safety information stating the laser Emission emission hazards and the laser’s class... -
Page 33: Modulation
Modulation This section presents further information on how to implement: • Wavelength modulation (fast) – “Fast wavelength modulation” on page 33 • Amplitude modulation – “Amplitude modulation” on page 40 • External cavity stabilization – “External cavity stabilization” on page 42 Wavelength modulation must be specified when ordering the laser. -
Page 34: Wavelength+/- Signal
Fast wavelength modulation Table 5 Wavelength modulation settings Setting Function External wavelength Sets wavelength Wavelength modulation on modulation modulation to external page 68 signal mode. Internal function Sets wavelength Modulation Type (internal generator modulation to internal mode) on page 70 function generator mode. -
Page 35: Differential Input
Fast wavelength modulation Differential input When configured as an input, the Wavelength+/- input can be connected to a differential signal with an amplitude up to 2x 5 Vpp as shown in Figure Figure 6 Differential input signal graph for wavelength modulation To prevent noise being induced that could create undesired phase noise, it is recommended to disable the wavelength modulation setting when it is not in use. -
Page 36: Figure 8 Single-Ended Input Signal With 2.5 V Graph
Fast wavelength modulation 2.5 V or AGND. A single-ended 5 Vpp signal generates half the modulation compared to a differential 2x5 Vpp input. Figure 8 Single-ended input signal with 2.5 V graph Figure 9 shows the Wavelength- pin connected to the same potential as the common mode voltage of the Wavelength+ signal, the optical output will be modulated around its center wavelength. -
Page 37: Wavelength- To Agnd
Fast wavelength modulation Wavelength- to Figure 11, the Wavelength- signal is connected to AGND and the Wavelength+ AGND signal is modulated between 0 and 5 V as shown in Figure 10, the optical output is modulated above its thermally controlled wavelength. Figure 10 Single-ended input signal with GND on an unused branch graph Figure 11 Single-ended input connections with 0 V on an unused branch <... -
Page 38: Differential Output
Figure 12 Differential output signal graph The differential output signal can be used for example, as the input signal for other Koheras ADJUSTIK or ADJUSTIK HP lasers. Wavelength You can select either internal AC or DC coupling of the modulation signal. If AC coupling is chosen, the laser’s high pass filter function has a cut-off frequency... -
Page 39: Frequency Response
Fast wavelength modulation Frequency For X15 variants, the frequency response of the wavelength modulation feature response differs from that of the E15/Y10 variants. The graphs in Figure 13 (X15) and Figure 14 (E15/Y10) show the response when the modulation signal varies from 1 to 100 kHz. -
Page 40: Amplitude Modulation
Amplitude modulation E15/Y10 variant frequency response Figure 14 shows the measured frequency response of the E15/Y10 variants for both wide and narrow ranges: • Wide: E15 – 8 GHz with a 3 dB cut-off at 200 Hz Y10 – 10 GHz with a 3 dB cut-off at 200 Hz •... -
Page 41: Figure 15 Differential Input For Amplitude Modulation Graph
Amplitude modulation the summation exceeds 0V and reaches its maximum (the power setpoint) +5 V separation. Figure 15 Differential input for amplitude modulation graph Alternatively, Figure 16 shows the Amplitude+/- negative pin connected to ground with the positive branch connected to a signal that varies between 0 V and +5 V. -
Page 42: External Cavity Stabilization
Figure 17 depicts a general layout of the devices in a Pound-Drever-Hall configuration used with the laser. Figure 17 Koheras ADJUSTIK in a Pound-Drever-Hall configuration Setting up external Follow the steps below to configure and enable external cavity locking: cavity stabilization 1. -
Page 43: Operating The Laser
Section 2 Operating the laser This section describes how to manage and operate the laser and includes the chapters: • “Front Panel Operation” on page 45 • “Communicating with the Laser” on page 53 • “Enabling emission” on page 57 •... - Page 44 < 44 >...
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Page 45: Front Panel Operation
Front Panel Operation Overview The front panel features an OLED panel that displays the emission wavelength and output power level. The panel also displays the laser operational state and any notifications such as for example, errors should they be raised by the system. -
Page 46: Wavelength
Display Figure 19 OLED display layout Emission wavelength - actual (or power) Focus parameter Status Tuning badge Emission power (or setpoint increment (or wavelength) value) Wavelength Emission wavelength is displayed in nanometers. You can set the wavelength to be displayed as either an absolute wavelength or as an offset from the laser’s center wavelength. -
Page 47: Tuning Increment
Display Tuning increment When the tuning dial is turned, a tuning increment is displayed in the lower left of the display. When tuning an absolute wavelength, the increment shows the difference in picometers (pm) from the setpoint wavelength. Figure 20 Wavelength tuning increment and setpoint Emission wavelength setpoint Wavelength increment - offset in picometers from center wavelength When tuning power, the display shows the power setpoint value as power in... - Page 48 Display Clearing error and informational messages To clear these messages, press the tuning dial button once. < 48 >...
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Page 49: Status Badge
Display Figure 22 Example of an error message Error NKT Photonics information code Error description Status badge The badge in the lower right of the display shows the laser’s status, the following states: Key Off – the key switch is in the OFF position, the laser cannot be enabled. -
Page 50: Front Panel Controls
Display Front panel controls Key switch The key switch resets the laser interlock – see “Connecting the safety interlock” on page To permit emission being enabled, turn the key switch to the ON position. The laser enters the “Armed” state in this position if the safety interlock loop is closed. -
Page 51: Enabling Emission From The Front Panel
ARNING ation. Ensure to observe and implement all safety regulations, warnings and cau- tions in this guide and in either the Koheras ADJUSTIK Safety, Handling and Regulatory Information or Koheras ADJUSTIK HP Safety, Handling and Regula- tory Information document before continuing. -
Page 52: Tuning The Laser From The Front Panel
Enabling emission from the front panel Tuning the laser from the front panel Procedure 2 Wavelength tuning 1. Press the tuning dial button so that wavelength is selected in the focus position. 2. Turn the dial left or right to tune the setpoint wavelength in picometers. The wavelength in the focus position shows the setpoint and the offset in picometers is displayed at the lower left. -
Page 53: Communicating With The Laser
CONTROL communications to the laser using either an USB or Ethernet connection. CONTROL software The laser is shipped with the NKT Photonics CONTROL software installer on a USB key. You can also download the most recent CONTROL software from the following link: https://www.nktphotonics.com/support/... -
Page 54: Ethernet Connection
Connecting the laser to a CONTROL PC Action 4 Launch the CONTROL software by either: • clicking on Windows – Start – Programs – NKT Photonics –CONTROL – or – • double clicking the CONTROL shortcut on the desktop 5 The CONTROL window opens. -
Page 55: Procedure 5 Connecting A Pc To The Laser Using Ethernet
Connecting the laser to a CONTROL PC Procedure 5 Connecting a PC to the laser using Ethernet Action Configure the IP address of the laser using CONTROL connected over USB (Ethernet on page 72 2 Using a CAT5 or better Ethernet cable, connect the laser’s Ethernet port either directly to a CONTROL PC Ethernet port or to a subnet accessible by the PC. - Page 56 Connecting the laser to a CONTROL PC Action 7 Click the Save button to save the configuration of the new Ethernet connection. To delete or modify a configured port: Delete button 1. Highlight the port and click the delete button. - or - Edit button 2.
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Page 57: Enabling Emission
ARNING or Class 4 radiation. Ensure to observe and implement all safety regulations, warnings and cautions in this guide and the Koheras ADJUSTIK Safety, Han- dling and Regulatory Information document before continuing. Ensure the fiber connector face (tip) is clean. Optical power transmit-... -
Page 58: Back Reflection
Enabling and disabling emission erate in a non-condensing environment from +15°C to +60°C. Before turning on the laser and enabling emission, allow it at least 30 minutes to stabilize at the operating room temperature. Turning on a laser that is too cold or hot, may lead to the system being damaged. - Page 59 Enabling and disabling emission Action 3 Turn the key switch on the front panel to the ON position. NOTE: If the key switch is set ON and the interlock LED on the front panel is still amber, turn the key back to OFF and then ON again. This resets the interlock as long as the interlock circuit is closed.
- Page 60 Enabling and disabling emission Action a. In the Control panel, set the reference wavelength (λ) or its offset using the λ or offset slider λ or offset input field Wavelength or offset slider control.To set it, click hold and move the red slider to adjust the setting.
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Page 61: Using Control
Using CONTROL CONTROL overview The CONTROL interface includes multiple panels and a selection of menu drop down items in the upper left corner. Using the Window drop down menu, you can add or remove the displayed panels and panels can be dragged within the main window or into separate windows. -
Page 62: Relocating Panels
CONTROL overview Relocating panels You can drag the different panels of CONTROL to any location within the main interface or into a separate floating panel. Procedure 7 describes how to relocate a panel within the main window. Procedure 7 Relocating panels Action Left click and hold the top title bar of the panel. -
Page 63: Toggling Panels Visible
CONTROL overview Toggling panels Use the Menu > Window drop down menu to check and uncheck panels to be visible displayed. A blue check mark indicates the panel is displayed. Figure 27 Toggling panel visibility Check the panels to display them To close a panel, click the X at the upper right corner of the panel. -
Page 64: Device Selector
CONTROL overview Figure 29 Connect button Click CONTROL scans for connected devices Device Selector The Device Selector panel shows an icon for each connected device. Figure 30 shows the device selector for an ADJUSTIK laser. If multiple lasers are detected by CONTROL, click on the ADJUSTIK icon to brings up its controls. To modify the ICON text, see“View”... -
Page 65: Status Panel
CONTROL overview Status panel The Status Panel provides status indicators, error messages, an emission control function and a settings drop down menu. Figure 31 Status panel Click Status indicators The panel includes the following indicators: Interlock Indicates the status of the interlock circuit. •... -
Page 66: System Info
CONTROL overview Status Indicates the laser thermalization and operation capability: • ON Green – The laser has reached the set point temperature and has stabilized. • ON Amber – The laser is in the process of warming up or a system error is detected. - Page 67 CONTROL overview The button indicator turns ON Red when any laser emission are generated. Otherwise, it will be OFF Grey. Class 3B or Class 4 laser emission are emitted when the Emission but- ARNING ton LED is ON Red. < 67 >...
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Page 68: Control Settings
CONTROL overview CONTROL settings The GUI settings are accessible by clicking the gear icon in the upper right corner of the status panel. Clicking the gear icon, drops down a menu of setting items as shown in Figure Figure 32 GUI settings Click the gear icon to access the menu Function... -
Page 69: Figure 33 Wavelength Modulation - Internal Source
CONTROL overview Modulation Source The signal source used to modulate the wavelength is selectable. Click on the Source drop-down menu to select one of three source modes: • Internal (Figure 33) – the wavelength is modulated by the internal function generator signal. -
Page 70: Figure 35 Internal Generator Waveform Selection - Type
CONTROL overview Modulation Type (internal mode) If the Modulation source is set to Internal, you can set the signal waveform type that is generated internally. Click the Type drop-down menu arrow and select either Sinusoidal, Triangle, Sawtooth or an Inverse sawtooth waveform. Figure 35 Internal generator waveform selection –... -
Page 71: Amplitude Modulation
CONTROL overview 3. All other lasers operate in slave mode by setting them to External modulation mode. Internal generator Frequency When the modulation source is set to Internal, you can adjust the frequency of the internal generator signal to between 8 MHz (0.008 Hz) and 100 kHz (100,000 Hz). -
Page 72: Ethernet
CONTROL overview – see “Amplitude modulation” on page 40 “Interface Pin Assignments” on page 107. To use the internal generator, see “Internal generator” on page Figure 37 Amplitude modulation source settings Internal generator To modulate the output power using an internal generator, set the amplitude modulation source to Internal. -
Page 73: Watchdog
CONTROL overview System Port The System port defines what port number the laser expects to receive a TCP packet on. This port number should match the System Port setting in CONTROL’s Ethernet connection. Default setting is 10001. Host IP Address You can configure the laser to only accept packets from a defined IP address. -
Page 74: Clock
CONTROL overview Watchdog timeout When CONTROL communications is disconnected, the Watchdog timer starts counting down. When the timer reaches the Watchdog timeout setting, emission is disabled. Set Enable Watchdog to ON to enable the feature. Figure 40 Watchdog setting Enables the Watchdog Clock Within the Clock setting menu, you can update the laser system date and time from the connected PC. -
Page 75: Figure 42 Front Panel Setting
CONTROL overview Power adjust displayed Use this setting to select to show either a percentage of the maximum power level or the absolute value in dBm, W, or mW (depending on the power unit configured) when tuning the setpoint power. The setpoint power level is shown in a badge at the lower left of the display when set to show power and you turn the front panel dial –... -
Page 76: View
CONTROL overview View Check the System info box to display the laser serial number, firmware release number or system temperature within the status panel. You can also input the name of your system in the User text input field. The text is displayed next to the laser’s icon in the Device Selector panel. -
Page 77: Control Menu Items
Procedure 8 Using the Key Updater tool Action Enter a key code in the field “Enter key code”. NOTE: Key codes are generated by NKT Photonics. In the list of modules, check the box on the right of each applicable module. < 77 >... -
Page 78: Log Downloader
NKT Photonics support personnel. Log Downloader If your laser requires support from NKT Photonics, our support engineers may request you send them log files collected by the laser. You can use the log downloader tool to save laser log files to your CONTROL PC. -
Page 79: Extensions Overview
Use this tool to view the installed extensions (similar to plugins) that are included with CONTROL. The extensions are found in the following folder: Overview C:\Program Files (x86)\NKT Photonics\NKTP CONTROL\Plugins To view the extensions, open the Tools menu and click on Extensions Overview. The Extensions Overview window is launched as shown in Figure <... -
Page 80: Figure 45 Extensions Overview
.dll file (x.x.x.xxx ), the included extensions and which module types they support. Multiple extensions for a wide range of NKT Photonics laser types are typ- ically installed when using the default installation of CONTROL. -
Page 81: Control - Control Panel
CONTROL overview CONTROL – Control panel You can configure the Control panel to present different operating mode controls by setting the laser operating mode to either Power or Current mode. The modes are selected by clicking on the Settings drop down menu (gear icon) in the status panel. -
Page 82: Device Monitor
CONTROL overview Device monitor The device monitor provides a live display of transmit and receive parameters of the laser’s communication ports and any connected device modules. The display parameter values are continuously updated and can be used to help debug communication issues with connected devices. The parameters are described in Table Table 8 Device Monitor parameters... -
Page 83: Application Log
Application log Parameter Description Nack Total number of negative acknowledgments received from the device module. Total number of received telegrams with CRC failures. Total number of communication errors with framing or protocol errors. Hover over the icon to list more details. Busy Total number of busy responses from the module. - Page 84 Application log < 84 >...
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Page 85: Installing The Laser
Section 3 Installing the laser This section provides information on how to install the laser and includes the chapters: • “Mechanical Installation” on page 87 • “Connecting the Laser” on page 91 < 85 >... - Page 86 < 86 >...
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Page 87: Mechanical Installation
Mechanical Installation The laser chassis is designed to be installed on a flat surface or rack-mounted in a standard 19-inch rack. This section describes how to mount the laser module to ensure optimal function and ensure that heat generated by the laser, is adequately dissipated. -
Page 88: Rack Mounting The Laser
To avoid injury and damage, NKT Photonics recommends that when rack mounting the laser, two persons are present. One person can position the laser while the other fastens it to the rack. -
Page 89: Figure 50 Rubber Mounting Feet
Placing the laser on a table or shelf laser’s operating temperatures are maintained. Figure 50 Rubber mounting feet Rubber feet for table top placement Figure 51 Table or shelf placement < 89 >... -
Page 90: Operating And Storage Environment
Appendix A details the required ambient operating and storage environment storage environment specifications. A Koheras ADJUSTIK laser is either a Class 3B or Class 4 laser prod- ARNING uct, and its operation facility and environmental conditions must comply with the standards listed below or similar: •... -
Page 91: Connecting The Laser
Connecting the Laser Before operating the laser, follow the procedures in this chapter to ensure its correct and safe operation. For information on how to connect: • The safety interlock – see “Connecting the safety interlock” on page 91 • Power –... -
Page 92: Interlock Alarm
Connecting the safety interlock Figure 52 Interlock connected to a door switch - Laser ON Accessory Bus Defeater External Bus Connector Key switch turned to “On” Koheras ADJUSTIK Logic Keyswitch Circuit relay energized External Bus Connector Interlock Monitor Door Interlock Normally Switch Laser... -
Page 93: Connecting An Interlock Switch
Do not short-circuit the Interlock input. Short-circuiting the interlock cir- AUTION cumvents safety regulations and NKT Photonics does not take liability for any in- juries or damage caused by doing so. The switch connected to the interlock must be of an approved type. Fur-... -
Page 94: Connecting Power
Connecting power be open and so disables the laser in the same manner as the door switch opening. The defeater is included with the laser, it is a standard male DB-15 connector with the necessary pins looped back – see Table 16 on page 107. -
Page 95: Input Trigger
Connecting the trigger input or output Input trigger When set as an input a positive active high signal must be applied to the trigger pin to initiate emission. The diagram Figure 55 shows the trigger input. Figure 55 Trigger input circuit Output trigger When the trigger feature is set as an output, the trigger pin should be connected to an external pull-up resistor. -
Page 96: Connecting The Optical Output
Using the microscope, check for any de- formities, damage, residue or other contaminants at the optical tip of the con- nector. Either clean the connector or contact NKT Photonics support if a replacement is necessary. -
Page 97: Figure 57 Lint-Free Wipe Example
Cleaning of fiber facets Examples of appropriate cleaning tools are: a lens cleaning tissue (lint free wipes) as shown in Figure 57 or an optical fiber cleaning tool as shown in Figure Figure 57 Lint-free wipe example Figure 58 Example of a fiber cleaning cartridge <... - Page 98 Cleaning of fiber facets < 98 >...
- Page 99 Appendices The appendices include: • Appendix A “Specifications” on page 101 – • Appendix B “Service and Support Information” on page 105 – • Appendix C “Interface Pin Assignments” on page 107 – • Appendix D “Installing CONTROL Software” on page 109 –...
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Page 101: A Specifications
Relative to the center wavelength at room temperature. If the laser case temperature is outside the range of approximately 10-50 °C, the range of detuning from the center wavelength may be reduced. Always refer to the latest NKT Photonics datasheet for up-to-date specifications or more specifically the factory test report that came with your laser. -
Page 102: Table 11 Koheras Adjustik Hp Optical Specifications
Size [H x W x D] ADJUSTIK: 6 kg (13.2 lb) Weight ADJUSTIK HP: 7 kg (15.4 lb) Always refer to the latest NKT Photonics datasheet for up-to-date specifications or more specifically the factory test report that came with your laser. < 102 >... -
Page 103: Table 13 Operating And Storage Environment
Table 13 Operating and storage environment All Chassis Models Operating Temperature 15°C to 55°C (59°F to 131°F) Storage Temperature -20°C to 60°C (-4°F to 140°F) Operating Humidity (non-condensing) 0 to 70% Table 14 Electrical All Chassivs Models Supply Voltage 100 – 240 VAC@ 50-60 Hz Figure 59 Mechanical dimensions (66.2) 315,8... - Page 104 < 104 >...
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Page 105: B Service And Support Information
Service and Support Information Servicing the laser The laser has no user serviceable components. In case of malfunction, contact NKT Photonics using the support channels in section “Support contact details”. Do not open the laser’s modules. The laser modules are equipped with... -
Page 106: Support Contact Details
Disposal Support contact details If you need help or have questions regarding your Koheras ADJUSTIK laser or its accessories, contact NKT Photonics through our support website below: Support website 1. Go to: https://www.nktphotonics.com/support/ 2. Scroll down and click or press: 3. -
Page 107: C Interface Pin Assignments
Emission Collector output with an internal 270 Ω resistor in series. Outputs a logic high when the Koheras ADJUSTIK system has laser emission ON. To indicate emission with an LED, its anode can be connected directly to this pin and its cathode connected to the GND (pins 5,6, 13 or 14). - Page 108 External bus Pin # Signal Description Interlock Logic Outputs a logic high (5V) when the interlock circuit is closed and has Output been reset. This signal can be used to control safety related precautions on the External Bus. 5,6,13,14 GND 0 volt ground.
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Page 109: D Installing Control Software
Installing CONTROL Software Installing CONTROL Download the software from: https://www.nktphotonics.com/support/ Follow the steps in Procedure Procedure 11 Installing CONTROL Action On the PC, launch the installer package and then click the Installer Run button. The installation wizard appears. Click Next to continue. Accept to use the default installation directory or select another directory by clicking the Browse button. - Page 110 Installing CONTROL Action Uncheck the components you do not require. By default, all components are installed. Click Next to continue. Read the End-User License Agreement, and check “I accept the license.” box. Not checking the box ends the installation wizard. Click Next to continue.
- Page 111 Installing CONTROL Action Check the box to create a desktop shortcut to access Control. Click Next to continue Check the ‘Run the Silicon Labs CP10x driver installation’ box and click Next. Note: If you do not have the driver installed USB connectivity will fail.
- Page 112 Installing CONTROL Action The wizard displays a progress meter for the installation. Note: a normal install should only take a few seconds. Click Next to install the UART drivers for the PC USB port. < 112 >...
- Page 113 Installing CONTROL Action The drivers are installed. Note: Depending on your computer this occurs so fast you may not see this. The Silicon Labs drivers is installed successfully. Click Finish to end the driver installation. CONTROL is now installed. Check the Run box to launch CONTROL when the Finish button is clicked.
- Page 114 Installing CONTROL < 114 >...
- Page 116 Blokken 84, Birkerød-3460 Denmark The information in this publication is subject to change without notice. All company and product names mentioned within are either trademarks or registered trademarks of NKT Photonics. Specifications are listed as metric units. Imperial units listed are conversions.