Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for THORLABS OCTH Series
Summary of Contents for THORLABS OCTH Series
- Page 1 OCTH SERIES OCT Handheld Scanner, Lens Kit, and Sample Z-Spacer User Manual...
- Page 2 Original User Manual – not translated...
-
Page 3: Table Of Contents
9.2. Non-Warranty Repairs ................... 24 9.3. Warranty Exclusions ..................... 24 Chapter 10 Mechanical Drawings ....................25 Chapter 11 Regulatory ........................26 11.1. Waste Treatment is Your Own Responsibility ............. 26 11.2. Ecological Background ..................26 Chapter 12 Thorlabs Worldwide Contacts .................. 27... -
Page 5: Chapter 1 Warning Symbol Definitions
OCTH Series Chapter 1: Warning Symbol Definitions Chapter 1 Warning Symbol Definitions Below is a list of warning symbols you may encounter in this manual or on your device. Symbol Description Direct Current Alternating Current Both Direct and Alternating Current... -
Page 6: Chapter 2 Introduction
When the OCTH is equipped with a Thorlabs Scan Lens Objective and connected to a Thorlabs OCT Base Unit, this OCT Base Unit gives the limit for the laser radiation – please check the manual of the Base Unit for your own safety. -
Page 7: Care And Maintenance
In order to achieve the intended performance, this scanner should only be used with qualified parts. Please hold a conversation with Thorlabs’ technical support to determine if other parts you wish to use are compatible. Any modification or servicing of this system by unqualified personnel renders the warranty null and void, leaving Thorlabs free of any liability. -
Page 8: Chapter 3 Scanner Compatibility
Chapter 3: Scanner Compatibility Chapter 3 Scanner Compatibility The OCTH is a standalone, preassembled, integrated accessory to a Thorlabs OCT Base Unit. It is intended for light-weight handheld operation providing ergonomic handling for imaging applications where mobility is required. This scanner is available in versions for different wavelength ranges. -
Page 9: Chapter 4 Installation
OCTH Series Chapter 4: Installation Chapter 4 Installation 4.1. OCTH Handling The OCTH offers various options for handling during OCT image acquisition to match the individual needs of the imaging. The housing ergonomics are specially designed to allow for both right- and left-handed operation and using either your thumb or index finger for pushing the buttons on top. -
Page 10: Octh Connections
Figure 2 AUX interface with one and two alignment keys Attach the control probe cable of the OCTH to the Aux connector on the Thorlabs OCT Base Unit. This interface is located at the back of the OCT Base Unit. Align the red dot of the plug to the alignment mark of the port. Push the connector into the plug until a “click”... -
Page 11: Connecting The Optical Fiber To The Oct Base Unit
Thorlabs’ FS200 Fiber Inspection Scope and MCC-7020 Fiber Connector Cleaner are useful for keeping the optical path clean. Do not touch the fiber tip! The fiber connector of the OCTH needs to be plugged in the FC/APC fiber connector on the back of the Thorlabs OCT Base Unit. Attention The fiber connector needs to be oriented such that alignment key slides into the key slot of the OCT Base Unit connector. -
Page 12: Fiber Cleaning Techniques Using The Fbc1
OCTH Series Chapter 4: Installation 4.2.3. Fiber Cleaning Techniques Using the FBC1 This section details how to clean fiber bulkheads and fiber connectors using the FBC1 one-step cleaner. Using Extended Mode Figure 6 FBC1 Extended Mode To use extended mode, pull the tip outward while simultaneously pushing down on the lock button. Extended mode is useful for panels with multiple bulkhead connectors or other tight spaces. -
Page 13: Integration
Integration The OCTH only works properly when used together with an OCT system that is running this scanner. We suggest to make use of this scanner together with Thorlabs OCT Base Units like the CALLISTO, GANYMEDE II, or TELESTO II. -
Page 14: Chapter 5 Description
2D and 3D reconstruction of the specimen. The Thorlabs SD-OCT Base Unit (i.e., the CALLISTO, GANYMEDE-II, or TELESTO-II), to which the OCTH might be attached, consists of a broadband light source with a high-speed spectrometer. In the scanner, the light is split into two arms. -
Page 15: Optical Design
(which reduces the intensity of the light that returns to the fiber), it is significantly more sensitive to the optical phenomena mentioned before. Please contact Thorlabs’ tech support for details. Figure 10 Diagram of the Dual Path Setup... -
Page 16: Realization
OCTH Series Chapter 5: Description 5.2.3. Realization The basic optical layout of the OCTH in Common Path layout is illustrated below. Figure 11 Optical Layout of the Common Path Setup The output of an FC/APC fiber is collimated and routed to a beam splitter. Here, the beam is divided into a sample beam and a reference beam, similar to a Michelson interferometer. -
Page 17: Components
The following sections describe the module and possible accessories in detail. Please contact a member of the Thorlabs’ technical support team to determine if other parts you wish to use are compatible. Any modification or servicing of this system by unqualified personnel renders the warranty null and void, leaving Thorlabs free of any liability. - Page 18 The electrical probe control cable and optical fiber are permanently connected to the OCTH. The electrical probe control cable connects to a Thorlabs OCT Base Unit via a standard Thorlabs OCT probe control AUX interface with one alignment key. For backwards compatibility to Thorlabs OCT Base Units fabricated prior to 2015 adapter cables are available to connect to AUX interfaces with two alignment keys.
-
Page 19: Reference Adjustment
OCTH Series Chapter 5: Description 5.3.2. Reference Adjustment In order to access the screw for the reference adjustment the scanner housing needs to be opened. Please use a Phillips 1 head screw driver to remove the screw on the lower rear end of the scanner as indicated in Figure Figure 15 Remove Housing Fixation Screw Carefully lift off the lower part of the housing. - Page 20 OCTH Series Chapter 5: Description Reference Intensity Adjustment The reference adjustment screw is now accessible inside the scanner. Please use the provided 1.5 mm hex screw driver to rotate the screw for reference intensity adjustment. Rotating clock-wise will reduce the reference intensity, rotating counter-clock-wise will increase it.
-
Page 21: Push Buttons
Chapter 5: Description 5.3.3. Push Buttons The OCTH offers three ergonomically placed push buttons to control the Thorlabs ThorImage OCT software. In the software the handheld probe button settings can be configured to meet your application needs best. For further details please refer to the ThorImage user manual. -
Page 22: Octh Scan Lens Kits (Accessory)
The OCT Lens Kits from Thorlabs are specially designed lenses to support telecentric scanning over a wide field of view. The OCTH-LK Lens Kits consist of a dedicated scan lens and an attached illumination tube. For the OCT-LK Lens Kit, the illumination tube is not removable. -
Page 23: Sample Z-Spacers (Accessory)
OCTH Series Chapter 5: Description Figure 20 Installation of a Scan Lens Kit Changing the objective of the OCTH requires changing the probe configuration data as well. For details and instructions on the calibration procedure please take a look in the ThorImage Sortware manual or contact the Thorlabs’... - Page 24 OCTH Series Chapter 5: Description The Sample Z-Spacer is installed on the matching Lens Kit (e.g. the OCTH-AIR20 Z-Spacer on a 20 mm Lens Kit OCTH-LK20(-BB)) by screwing them on the dedicated external thread of the Lens Kit. Figure 23 Installation of a Sample Z-Spacer To adjust the distance between the scanner and the sample, the Z-Spacers have knurled edges which, when rotated, will set the working distance of the scanner.
-
Page 25: Chapter 6 Troubleshooting
Open Aperture (see section 5.3.1 OCTH Base Poor Reference Aperture is Too Small Module) Light Intensity Clean Fiber Tip (Thorlabs’ MCC-7020 Fiber Fiber Tip is Dirty Connector Cleaner Recommended) Contact Thorlabs’ Technical Support Other Reason Optical Path Length of Reference and... -
Page 26: Chapter 7 Certifications And Compliance
OCTH Series Chapter 7: Certifications and Compliance Chapter 7 Certifications and Compliance Page 22 MTN004428-D02... -
Page 27: Chapter 8 Specifications
OCTH Series Chapter 8: Specifications Chapter 8 Specifications OCTH Optical Specifications Center Wavelength 900 nm or 1300 nm Reference Length Fine Adjustment +3/-1.5 mm General Specifications Video Camera Color CMOS Weight of Scanner 0.5 kg (1.1 lbs) Storage / Operating Temperature 10°C to 35°C... -
Page 28: Chapter 9 Warranty
Warranty 9.1. Lasers and Imaging Systems Thorlabs offers a one year warranty on all lasers and imaging systems, with the exceptions of laser diodes. 9.2. Non-Warranty Repairs Products returned for repair that are not covered under warranty will incur a standard repair charge in addition to all shipping expenses. -
Page 29: Chapter 10 Mechanical Drawings
OCTH Series Chapter 10: Mechanical Drawings Chapter 10 Mechanical Drawings The outline dimensions of the OCTH series scanner is given in the following drawings. Figure 24 Dimensions of the OCTH Figure 25 Dimensions of the Accessories OCTH-LKx and OCTH-AIRx The optomechanical specifications are listed in the table below. -
Page 30: Chapter 11 Regulatory
11.1. Waste Treatment is Your Own Responsibility If you do not return an “end of life” unit to Thorlabs, you must hand it to a company specialized in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site. -
Page 31: Chapter 12 Thorlabs Worldwide Contacts
OCTH Series Chapter 12: Thorlabs Worldwide Contacts Chapter 12 Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up-to- date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc. - Page 32 M0009-510-955-B...
Need help?
Do you have a question about the OCTH Series and is the answer not in the manual?
Questions and answers