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Spectra-Physics 3980-4 manual available for free PDF download: User Manual
Spectra-Physics 3980-4 User Manual (96 pages)
Frequency Doubler and Pulse Selector
Brand:
Spectra-Physics
| Category:
Measuring Instruments
| Size: 2 MB
Table of Contents
Preface
3
Table of Contents
5
Warning Conventions
9
Standard Units
11
Accessory Kit
13
System Components
13
Unpacking and Inspection
13
Unpacking Your Model 3980
13
Chapter 1: Introduction
15
Overview
15
System Components
15
Figure 1-1: the Model 3980 Frequency Doubler/Pulse Selector
15
Figure 1-2: Model 3980 Schematic and Optical Beam Path
16
Understanding the Model Numbers
17
Chapter 2 Laser Safety
19
Precautions for the Safe Operation of Class IV-High Power Lasers
19
Figure 2-2: Folded Metal Beam Target
20
Safety Devices
21
Interlock Shutter
21
Figure 2-3: the Model 3980 Interlock Shutter
21
Maintenance Required to Keep this Laser Product in Compliance with Center for Devices and Radio Logical Health (CDRH) Regulations
22
CE/CDRH Warning Labels
23
Label Translations
24
Table 2-1: Label Translations
24
CE Declaration of Conformity (Emissions)
25
CE Declaration of Conformity (Safety)
26
Sources for Additional Information
27
Laser Safety Standards
27
Equipment and Training
28
Chapter 3: Description
29
Frequency Doubling
29
Picosecond Frequency Doubling
30
Figure 3-1: Model 3980 Schematic and Optical Beam Path
30
Femtosecond Frequency Doubling
31
Pulse Selection
31
General Description
31
Gating Pulses through the Bragg Cell
31
Maintaining Good Beam Size
32
Figure 3-2: Beam Diffraction through a Typical Acousto-Optic Modulator (AOM)
32
Protecting the AOM
33
Changing Optics
34
The Model 3986
34
Performance Specifications
36
Table 3-1: Model 3980-1 Ps Frequency Doubler Performance
36
Table 3-2: Model 3980-4 Fs Frequency Doubler Performance
36
Table 3-3: Model 3980-2 Ps Pulse Selector Performance
37
Table 3-4: Model 3980-3 Ps Pulse Selector/Doubler Performance
37
Table 3-5: Model 3980-2 Ps Pulse Selector, -3 Ps Pulse Selector/Doubler Performance
37
Table 3-6: Model 3980-5 Fs Pulse Selector Performance
38
Table 3-7: Model 3980-6 Fs Pulse Selector/Doubler Performance
38
Table 3-8: Model 3980-5 Fs Pulse Selector, -6 Fs Pulse Selector/Doubler Performance
38
Figure 3-4: Typical Frequency-Doubled, Tsunami Ps Tuning Curves Using 10 W TEM
39
Figure 3-5: Typical Frequency-Doubled, Tsunami Fs Tuning Curves Using 10 W TEM
39
Table 3-9: Electrical/Mechanical Specifications
39
Outline Drawings
40
Figure 3-6: Outline Dimensions for the Model 3980, Model 3986, and Model 3983
40
Chapter 4: Controls, Indicators, and Connections
41
Optical Unit
41
External Controls
41
Figure 4-1: External Controls and Ports
41
General Purpose Controls
42
Figure 4-2: Model 3980 Optical Elements
42
Pulse Selector Controls
43
Figure 4-3: Pulse Selector Components and Controls
43
Figure 4-4: AOM and Controls
44
Frequency Doubler Controls
45
Figure 4-5: Frequency Doubler Components and Controls
45
Model 3986 Electronics Unit
47
Front Panel Controls
47
Figure 4-6: Model 3986 Front Panel
47
Rear Panel Controls and Connections
48
Figure 4-7: Model 3986 Rear Panel
48
Figure 4-8: AOM Driver Schematic Block Diagram
49
Model 3983 Electronics Unit
50
Front Panel Controls
50
Figure 4-9: Model 3983 Front Panel
50
Rear Panel Controls and Connectors
51
Figure 4-10: Model 3983 Rear Panel
51
Chapter 5 Installation and Alignment
53
Installation
53
Required Equipment
54
General Installation and Alignment
54
Pulse Selector Installation
57
Figure 5-1: the Pulse Selector Platform
58
Frequency Doubler Installation: Part I-For Systems Without or Not Using the Pulse Selector
61
Figure 5-3: the Frequency Doubler Platform
62
Converting Your System
63
Table 5-2: System Conversions for the 3980
64
Converting from a Femtosecond Model 3980-6 to a Model 3980-4 Femtosecond Frequency Doubler Only Unit
67
Converting from a Femtosecond Model 3980-6 to a Model 3980-1 Picosecond Frequency Doubler Only Unit
67
Converting from a Picosecond Model 3980-3 to a Model 3980-5 Femtosecond Pulse Selector Only Unit
68
Chapter 6: Operation
69
Start-Up
69
All Models
69
All Models Except Model 3980-4
69
Models 3980-1, -3
69
Models 3980-2, -3, -5, -6
69
Shut-Down
70
All Models Except Model 3980-4
70
Model 3980-4
70
Changing Optics
71
System Conversions
71
Chapter 7: Maintenance
73
Notes on the Cleaning of Laser Optics
73
Equipment Required
73
Standard Cleaning Procedures
73
General Procedures for Cleaning Optics
74
Cleaning the AOM
75
Figure 7-1: Lens Tissue Folded for Cleaning
75
Cleaning the SHG Crystal
76
Chapter 8: Service and Repair
77
Troubleshooting Guide
77
Replacement Parts
80
Table 8-1: Replacement Parts, Frequency Doubler
80
Table 8-2: Replacement Parts, Pulse Selector
80
Table 8-3Replacement Parts, Hardware
80
Chapter 9 Customer Service
81
Warranty
81
Return of the Instrument for Repair
82
Service Centers
83
Appendix A: Selecting Proper Line Voltage
85
Figure A-1: Power Switch, Line Cord, and Voltage Selector Module
85
Appendix B Optimizing the Tsunami Laser Output
87
Recommended Equipment
87
Optimizing Picosecond Tsunami Laser Output
87
Optimizing Femtosecond Tsunami Laser Output
88
Notes
89
Report Form for Problems and Solutions
95
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