THORLABS GANYMEDE II HR Manuals

Manuals and User Guides for THORLABS GANYMEDE II HR. We have 1 THORLABS GANYMEDE II HR manual available for free PDF download: Operating Manual

THORLABS GANYMEDE II HR Operating Manual (60 pages)

Spectral Domain OCT System

Brand: THORLABS | Category: Laboratory Equipment | Size: 4 MB

Table of Contents
2
Part 1. Introduction
6
Safety
7
Care and Maintenance
8
Optical Cleaning
8
Fiber Cleaning Techniques Using the FBC1
9
Figure 1 FBC1 Extended Mode
9
Figure 2 Cleaning Fiber Bulkheads
9
Service
10
Accessories and Customization
10
Figure 3 Cleaning Fiber Connectors
10
Part 2. Description
11
Theory
11
Spectral Domain OCT Technology
11
Figure 4 Schematic Diagram of the SD-OCT System
11
Nomenclature in OCT Imaging
12
Figure 5 A-Scan Data Set
12
Figure 6 B-Scan Data Set
12
Figure 7 Rendered Volumetric Data Set
13
Figure 8 En-Face View or C-Scan
13
System Components
14
Packing List
14
Base Unit
16
Figure 9 Base Unit
16
Imaging Probe
17
Figure 10 Imaging Probe (Front View)
17
Figure 11 Imaging Probe (Rear View)
17
Figure 12 Optical Layout of Imaging Probe
18
Figure 13 Reference Intensity Adjustment
18
Figure 14 Reference Length Adjustment
19
Probe Stand
20
Figure 15 Probe Stand with Imaging Probe
20
Figure 16 OCT Stand Coarse Adjustment and Cable Clip(Rear View)
21
Figure 17 OCT Stand Adjusters and Dove Tail Slide
21
Figure 18 OCT Stand Sample Station
22
Graphical User Interface
23
Sdk
23
Warning Text
24
Figure 19 Laser Emission Warning Labels
24
Figure 20 Base Unit Warning Labels
24
Figure 21 Imaging Probe Warning Label
24
Part 3. Installation
25
Unpacking
25
System Connections
25
Figure 22 Rear View of Base Unit
25
Figure 23 Interconnections of the Imaging Probe
26
Figure 24 Connections of the Cameralink Frame Grabber Card
26
System Installation
27
Figure 25 Mounting the Imaging Probe into the Dove Tail Slide of the OCT Stand
27
Figure 26 Cameralink Frame Grabber Card Inside the PC
28
Figure 27 Trigger and Cameralink Cable Attached to the PC
28
Figure 28 Attaching Trigger Cable to Base Unit
28
Figure 29 Cameralink Cable Base Unit Attached to Base Unit
29
Figure 30 Power Supply Plug Connected to the Base Unit
29
Figure 31 Plugging the Probe Connector into the Imaging Probe
30
Figure 32 Installation of the Fiber at the Probe Fiber Connector
31
Figure 33 Installing the Probe Connection at the Base Unit
32
Figure 34 Installation of the Fiber at the Base Unit Connector
33
Figure 35 Fiber Loop at the Base Unit
34
Figure 36 Protection Cap Removal
34
Part 4. System Operation
35
Starting the System
35
Basic Adjustments
35
Adjusting the Focus
35
Figure 37 Basic Focus Adjustment
35
Adjusting the Reference Intensity
36
Adjusting the Reference Length
36
Figure 38 Different States of Reference Intensity Adjustments
36
Shutting down the System
37
Figure 39 B-Scan of an IR Viewing Card
37
Example Images
38
Figure 40 B-Scan of a Nailfold, Imaged at 28Khz A-Scan Rate
38
Figure 41 B-Scan of a Finger Tip, Imaged at 28Khz A-Scan Rate
38
Figure 42 B-Scan of a Semi-Transparent Molded Plastic Cap
39
Figure 43 B-Scan of a Laminated IR Card (Not Included)
39
Figure 44 B-Scan of a Section of a Grape
39
Part 5. Imaging Artifacts
40
Saturation and Non-Linearity
40
Figure 45 High Surface Reflection Causing Saturation and Nonlinear Response
40
Wrong Reference Intensity Setting
41
Figure 46 Avoiding Strong Surface Reflection Using an Immersed Wedge
41
Figure 47 OCT Images Acquired with Low, High and Good Reference Intensity Setting
41
Auto-Interference
42
Figure 48 Auto-Interference from a Highly Reflective Sample in a B-Scan
42
Figure 49 Auto-Interference with the Reference Arm of the Imaging Probe Deactivated
42
Multiple Scattering
43
Figure 50 Schematic of a Setup to Show the Influence of Multiple Scattering
43
Figure 51 OCT Image Showing Multiple Scattering
43
Flipped Image
44
Figure 52 Correct Reference Length Setting for Imaging of an IR Card
44
Figure 53 Incorrect Reference Length Setting Showing a Flipped Image
44
Shadowing
45
Figure 54 Rendered Volume of a Screw on Top of an IR Viewing Card Displaying Shadowing
45
Image Distortion by Refractive Media
46
Figure 55 Schematic of a Setup to Show Distortions from Refractive Media
46
Figure 56 Height Shift of OCT Imaging through Refractive Media
46
Group Refractive Index
47
Measurement Depth in OCT Systems
48
Figure 57 Measurement Depth with Refractive Media
48
Distortions in the Image
49
Figure 58 Different Materials in One Measurement
49
Figure 59 Complex Structure in Image
50
Part 6. Troubleshooting
51
Changing the Input Fuses
52
Figure 60 Fuse Cover on Base Unit Rear Panel
52
Part 7. Certifications and Compliance
53
Part 8. Warranty
54
Lasers and Imaging Systems
54
Non-Warranty Repairs
54
Warranty Exclusions
54
Part 9. Specifications
55
Part 10. Mechanical Drawings
56
Figure 61 Base Unit Dimensions
56
Figure 62 Imaging Probe Dimensions
56
Figure 63 Dimension of the Rotation Stage Underneath the Sample Plate
57
Part 11. Regulatory
58
Waste Treatment Is Your Own Responsibility
58
Ecological Background
58
Part 12. Thorlabs Worldwide Contacts
59

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THORLABS GANYMEDE II HR Manuals

THORLABS GANYMEDE II HR Operating Manual (60 pages)

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