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Swept Source OCT System

Chapter 2: System Description

Rev H, June 3, 2011

Page 16

2.5.

Installation of Swept Source OCT Systems

2.5.1. Swept Source Connections

Figure 6

Opto-Electronic Interconnect Diagram

Note: Cables 1,2,3,5, and 6, are contained in the Imaging Signal Cable Bundl

e; Cable 4 is the 6” BNC-SMA cable.

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Summary of Contents for OCS1300SS

Page 1: ...OCS1300SS Swept Source OCT System User Guide ...

Page 2: ......

Page 3: ...tware 10 2 4 Component Overview 11 2 4 1 Packing List 11 2 4 2 Swept Source OCT Engine and Imaging Module 12 2 4 3 Imaging Probe 13 2 4 4 Microscope Adapter 14 2 4 5 Computer 14 2 5 Installation of Swept Source OCT Systems 16 2 5 1 Swept Source Connections 16 2 5 2 Probe Configurations 19 Chapter 3 System Operation 20 3 1 Starting the System 20 3 2 Shutting Down the System 21 Chapter 4 Warranty In...

Page 4: ...the Imaging Probe the Swept Source Engine or the PC There are no user serviceable parts in this product Opening the device will void your warranty Any modification or servicing of this system by unqualified personnel renders Thorlabs free of any liability This device can only be returned when packed into the complete original packaging including all foam packing inserts If necessary ask for replac...

Page 5: ...y a properly grounded power cable to the power unit ATTENTION Do not obstruct the air ventilation slots in the computer housing Do not obstruct air ventilation into the bottom of the swept source engine or out of the exhaust fan on the rear of the unit Mobile telephones cellular phones or other radio transmitters are not to be used within the range of three meters of this unit since the electromag...

Page 6: ... the optical fiber with care mechanical stress can decrease the performance and potentially destroy the fiber Continual bending of the optical fiber can cause damage It is important to keep the optical fiber patch cable as straight as possible to minimize bending Note The most common cause of low signal intensity is contamination of the fiber due to airborne pollutants To minimize exposure avoid u...

Page 7: ... to make sure that no dirt is rotating in the view Dirt that rotates with the fiber is attached to the tip of the ferrule 5 If the fiber tip is dirty draw figure 8 s with the ferrule on the cleaning reel Re inspect and repeat if necessary 1 4 2 Service Only trained and approved Thorlabs personnel should service the system Please contact Thorlabs Technical Support at techsupport thorlabs com and a ...

Page 8: ...Resolution 25 µm Axial Resolution Air Water 12 9 µm 2 D en face Imaging Capability CMOS Sensor 5 78 mm x 4 19 mm Maximum Resolution Pixel 510 H x 492 V Imaging Speed 20 fps 3D Volumetric Imaging Capability Maximum Volume Size L x W x D 10 mm x 10 mm x 3 mm Maximum Sampling Resolution L x W x D 1024 x 1024 x 512 pixels Imaging Time 30 seconds General Supply Voltage for Swept Source Engine 100 240 V...

Page 9: ...oviding highly detailed 2D cross sectional imaging of a sample s internal structure as well as computer generated 3D reconstruction of a volume near the sample surface The internal structure of a sample can be accurately mapped via computer generated tomographic images The OCS1300SS provides simultaneous multiple imaging channels for microscopic viewing of the sample The en face images similar to ...

Page 10: ...ge All required data acquisition and processing is performed via the integrated software package which contains a complete set of functions for controlling data measurement collection and processing as well as for displaying and managing OCT image files 2 3 2 Software The software package within the SSOCT system includes a library of parameters for sample applications This system offers a high deg...

Page 11: ...st below to ensure that the system is complete Use only original parts If any item is missing or damaged contact Thorlabs for assistance Components Quantity Manual OCT System and OCT Software 1 ea Swept Source OCT Engine 1 Imaging Module 1 Imaging Probe 1 Probe Adapter Stand 1 Computer 1 19 LCD Monitor 1 Keyboard 1 Mouse 1 Imaging Signal Cable Bundle 2 SMA to SMA 1 SMA to BNC 1 Imaging Signal Cabl...

Page 12: ...ast 100 nm at a 16 kHz repetition rate offers a coherence length of 6 mm and delivers more than 10 mW of average optical power out of an SMF28 single mode fiber The Swept Source Engine is based on a patented external cavity laser diode design The Imaging Module serves as an electro optical interface between the Swept Source Engine Imaging Probe and the host computer It contains the galvanometer co...

Page 13: ...palm of your hand and gives more accessibility to the system The probe can be easily moved from one place to another and can be placed on samples that cannot normally be placed under the microscope option The Imaging Probe contains the X Y galvanometers and optics required to manipulate the swept laser and aiming laser light onto the imaging sample An adjustable sample spacer allows the user to ma...

Page 14: ...ective lens in the microscope allows the user to examine different types of sample tissue or materials with easy access and mobility Figure 5 Imaging Probe in Probe Adapter Stand 2 4 5 Computer The computer contains an analog control card and a digitizer card and controls all data acquisition including parameters for controlling the scan probe and data collection All required data acquisition and ...

Page 15: ...Swept Source OCT System Chapter 2 System Description Rev H June 3 2011 Page 15 This page intentionally left blank ...

Page 16: ... Rev H June 3 2011 Page 16 2 5 Installation of Swept Source OCT Systems 2 5 1 Swept Source Connections Figure 6 Opto Electronic Interconnect Diagram Note Cables 1 2 3 5 and 6 are contained in the Imaging Signal Cable Bundle Cable 4 is the 6 BNC SMA cable ...

Page 17: ...spect the FC APC connector with a fiber microscope to make sure the fiber tip is clean Do not touch the fiber tip Insert it into the LASER APERTURE port on the Swept Laser aligning the keys Thread it onto the connector until snug Clean and connect the other end into the LASER IN port on the Imaging Module 9 Remove the caps from the fiber connectors on the fiber patch cable included with the Imagin...

Page 18: ...age even if it is not powered on See Appendix A for more details 13 Insert a power cord into the back of the computer and plug the other end into an appropriate 110 or a 230 VAC wall outlet 14 The Swept Laser has a universal AC input Connect a suitable line cord into the AC input port of the Swept Laser and the other end into an appropriate 110 230 VAC wall outlet Note The RS232 connection is for ...

Page 19: ... Figure 7 Removing the Sample Spacer Figure 8 Joint Installing Probe Onto Adapter Stand Rotate knurled shaft counterclockwise until it is completely loosened Slide both shafts downward and out of the Probe housing Slide Probe down onto the mount until fully seated Align Dove tail joints on probe and mount ...

Page 20: ...set up the system System Components Start up Follow these steps for a proper initialization of the system Figure 9 Swept Source Control Panel 1 Start the Swept Source Engine by placing the POWER switch to the position Verify that the POWER ON indicator turns green 2 At this time ALL of the indicators on the Swept Source Engine will turn on for approximately 3 5 seconds then turn off with the excep...

Page 21: ...peration 9 The imaging quality can be fine tuned by adjustments to the OPTICAL DELAY and POLARIZATION These parameters can be adjusted on the Imaging Module using a 5 64 Allen wrench Do not over tighten the optical delay adjuster 10 The Swept Source Engine continuously monitors the internal IR power of the laser system In the event that the output power exceeds 150 of its nominal value the unit wi...

Page 22: ...e operating manual of each laser Opto Electronics Control Electronics Optics and Nano Positioning Product Lines Thorlabs offers a two year warranty on the above mentioned product lines provided normal use and maintenance of the products and when properly handled and correctly installed Thorlabs shall repair or replace any defective or nonconforming product as detailed above We ask that buyer conta...

Page 23: ...Swept Source OCT System Chapter 5 Certifications and Compliance Rev H June 3 2011 Page 23 Chapter 5 Certifications and Compliance ...

Page 24: ...from 100 240 VAC at 50 60 Hz Figure 11 PC Line Select Switch 6 2 Changing the Input Fuses If for some reason you need to replace an open fuse in the Swept Laser Source you must perform the following procedure 1 Remove the AC input cable that may be connected to the unit 2 Slide open the cover of the fuse holder located at the rear panel of the Swept Laser Source as shown in Figure 13 Remove the ex...

Page 25: ...rlabs products such as Pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassembled by the user PCB s housings etc If you wish to return a Thorlabs unit for waste recovery please contact Thorlabs or your nearest dealer for further information 7 1 Waste Treatment is Your Own Responsibilit...

Page 26: ...on USA Canada and South America Thorlabs Inc sales thorlabs com techsupport thorlabs com Europe Thorlabs GmbH europe thorlabs com France Thorlabs SAS sales fr thorlabs com Japan Thorlabs Japan Inc sales thorlabs jp UK and Ireland Thorlabs Ltd sales uk thorlabs com techsupport uk thorlabs com Scandinavia Thorlabs Sweden AB scandinavia thorlabs com Brazil Thorlabs Vendas de Fotônicos Ltda brasil tho...

Page 27: ...www thorlabs com ...

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