THORLABS OCT-LK Series, Руководство пользователя

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OCTP Series Scanner Chapter 6: Troubleshooting
Rev F, November 03, 2018 Page 29
Chapter 6 Troubleshooting
Problem Possible Cause Recommended Solution
Poor Reference
Light Intensity
Fiber Not Connected Remove and Reconnect Fiber, Ensuring that
Alignment Key is Inserted into Key Slot
Aperture is Too Small Open Aperture (See 4.3)
Reference Arm is Not Aligned Align Optical Beamsplitter to Make Beam To
and From the Reference Mirror Collinear with
Cage System Axis (See 4.3)
Fiber Tip is Dirty Clean Fiber Tip (Thorlabs’ FBC1 Bulkhead and
Connector Cleaner Recommended)
Other Reason Contact OCT Service (See Chapter 11)
No Image is
Obtained
Optical Path Length of Reference
and Sample Arms is Not Matched
Adjust Reference Arm Length Using Cage
Plate and/or Non-Rotating Zoom Housing
(See 4.3)
Beam is Blocked Check for Obstructions in Fiber Collimation
Module and Reference Arm Module
USB Cable is Loose Reconnect USB Cable
PC Crashed Restart PC
Other Reason Contact OCT Service (See Chapter 11)
Low Scan
Resolution
Dispersion in Reference and Sample
Arms is Not Matched
Add Compensating Optics to One or Both
Arms
Bad Image Quality
Image Obtained is Being Mirrored Adjust the Distance Between the Objective and
the Sample. The Image Should Move Towards
the Top of the Computer Window
Optical Path Length of Sample Arm
is Too Short
Move Sample Away From Objective
Reference Intensity is Too High
or Too Low
Close or Open Zero-Aperture Iris to Adjust
Intensity (See 4.3)
Other Reason Contact OCT Service (See Chapter 11)
Flipped Image
Optical Path Length of Reference
Arm is Incorrect
Adjust Reference Arm Length Using Cage
Plate and/or Non-Rotating Zoom Housing
(See 4.3)
Table 3 Troubleshooting