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DORIC LEDFRJ Series User Manual

Leds with fiber-optic rotary joint
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LEDs with Fiber-optic Rotary Joint
User Manual
Version 2.1.2

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Summary of Contents for DORIC LEDFRJ Series

  • Page 1 LEDs with Fiber-optic Rotary Joint User Manual Version 2.1.2...

  • Page 2: Table Of Contents

    ..........2.3 Stand-alone mode (without Doric Neuroscience Studio Software) .

  • Page 3: General Overview

    1.1 LED + Fiber-optic Rotary Joint The Doric LED + Fiber-optic Rotary Joint are rotary joints integrated with one or several LEDs. This allows higher through- put in comparison with conventional Fiber-optic Rotary Joints combined with a Connectorized LED light source.
  • Page 4 1.1.2 Combined LEDs with fiber-optic rotary joint (a) 2-LED model (b) 3-LED model (c) 4-LED model Figure 1.2: Combined LEDs with fiber-optic rotary joint The Combined LEDs with fiber-optic rotary joint are composed of a standard Combined LED body where the Beam aperture has been replaced with a Fiber-optic rotary joint.

  • Page 5: Led Driver

    Manual. Figure 1.4: 1,2 and 4-channel LED Driver 1.3 Fan Power Adapter The Doric Fan Power Adapter allows the usage of LEDFRJ with the next-generation LED Driver. For more details specifi- cations and operation, see the Fan power adapter manual.

  • Page 6: Operations Guide

    Operations Guide 2.1 Getting Started 1. Installation depends on the specific source chosen. • If using the Single-LED model, the rotary joint must first be installed in its holder (Holder FRJ large, GH FRJ). It can then be mounted into the setup using 1/4 or M6 nuts and screws. •...

  • Page 7: Fc Connector Installation

    3. Connect one output of the Power Splitter to the Doric LED Driver 12 V input, the other to the Power Extension Cable. 4. Connect the Power Extension Cable to the Fan Power Adapter 12 V input. 5. Connect each channel of the LED driver to the input connectors of the Fan Power Adapter using M8 cables.

  • Page 8: Stand-Alone Mode (Without Doric Neuroscience Studio Software)

    2.3 Stand-alone mode (without Doric Neuroscience Studio Software) The following sections details stand-alone operation of the LED driver. For installation of the LEDFRJ in stand-alone mode, see section 2.1. 2.3.1 Driver operation modes with the stand-alone device If the light source driver is used as a stand-alone device, 3 modes are available: constant current (CW), external TTL (Ext.

  • Page 9: Connected To Doric Neuroscience Studio Software

    2. Install the Doric Neuroscience Studio Software on the computer. Double-click on the setup DoricStudioX.X.exe file located on Doric USB memory stick supplied with the LED driver and follow the on-screen instructions. 3. Connect the USB-A/USB-B cable to the driver and the computer.

  • Page 10: Doric Neuroscience Studio

    3.1 Light Sources Doric Light Sources can be controlled by the Doric Neuroscience Studio. These include LED Modules, Laser Diode Modules and Ce:YAG Fiber Light Source. The interface is separated into two main sections, Control & settings and the Acquisition View.
  • Page 11 • The Triggered trigger mode is active when an input greater than 4 V is detected on the BNC input. Fol- lowing input pulses will be ignored while the sequence is running. The sequence will restart with the arrival of the first input pulse after the sequence has finished. Chapter 3. Doric Neuroscience Studio...
  • Page 12 See the corresponding light source manual to find the voltage/current rela- tionship. This mode has no additional sequence options. Chapter 3. Doric Neuroscience Studio...
  • Page 13 ON must be lower than (1/frequency)+0.005 ms, while the Duty cycle must be below 100 %. These squares will appear red should an impossible Frequency/time ON be selected. Should the Smoothing option be selected, this feature becomes inaccessible. Chapter 3. Doric Neuroscience Studio...
  • Page 14 The Total Duration (Fig. 3.6) displays the total time of the experiment. The different values can be Inf for infinite, a valid time value or Err if the Time ON value is greater than 1/frequency. Figure 3.8: Complex Sequences Window Chapter 3. Doric Neuroscience Studio...
  • Page 15 4. The Preview box (Fig. 3.2) displays a preview of the chosen sequence while in the Continuous Wave, Square Sequences and Complex Sequences mode. 5. The Apply button (Fig. 3.2) will generate the defined channel OR update an already configured channel with any changes. Chapter 3. Doric Neuroscience Studio...
  • Page 16 3. The Save configuration button saves all currently configured channels in .doric format. 4. The Load configuration button loads a file in .doric format that contains a previously saved set of configured channels. 5. The Start All button (Fig. 3.11) starts all currently configured channels.
  • Page 17 The Current Slider allows the light source current to be adjusted. e) The Status box displays the status of the channel (Light source or Scope). The Status will display RUN- NING... when active and STOPPED when deactivated. Chapter 3. Doric Neuroscience Studio...
  • Page 18 The Export scope channel button allows the recording of a live measurement sequence on the scope. 4. The Graph View displays either a preview of the pulse sequence for Light Source Channels or the received signal for the Scope Channel. Chapter 3. Doric Neuroscience Studio...

  • Page 19: Specifications

    Specifications Table 4.1: Typical Connectorized LEDFRJ1 Output Power vs Optical Fiber Core Diameter Overdrive TYPICAL OUTPUT POWER @2000 mA @1000 mA (mW) (pulsed) Central Bandwidth Core 200 µm Core 400 µm Core 960 µm Wavelength (nm) FWHM (nm) 0.53 NA 0.53 NA 0.63 NA x1.7...
  • Page 20 Table 4.2: General Specifications SPECIFICATIONS VALUE NOTES Input Current 0-1000 mA 700 mA recommended Forward Voltage 3.0-4.0 V typical Emission Power See test sheet Emission wavelength See test sheet Start-Up Torque (Single LED) 10 µN m Start-Up Torque (Multiple LED) 30 µN m Electrical connector M8-4 pins-male...

  • Page 21: Support

    5.2 Warranty This product is under warranty for a period of 12 months. Contact Doric Lenses for return instructions. This warranty will not be applicable if the unit is damaged or needs to be repaired as a result of improper use or operation outside the conditions stated in this manual.

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