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Solid-State Laser Spectra-Physics Opal manual available for free PDF download: User Manual
Solid-State Laser Spectra-Physics Opal User Manual (152 pages)
Femtosecond Synchronously Pumped Optical Parametric Oscillator (SPPO)
Brand:
Solid-State Laser
| Category:
Power Tool
| Size: 2 MB
Table of Contents
Preface
3
Environmental Specifications
5
Table of Contents
7
Warning Conventions
13
Standard Units
15
Unpacking and Inspection
17
Chapter 1: Introduction
19
The Opal SPPO
19
Patents
20
Configurations
21
Chapter 2 Laser Safety
23
Precautions for the Safe Operation of Class IV-High Power Lasers and Accessories
23
Figure 2-2: Folded Metal Beam Target
24
Safety Devices
25
Shutter Interlock
25
Figure 2-3: Laser Head Shutter Interlock
25
Maintenance Required to Keep this Laser Product in Compliance with Center for Devices and Radiological Health (CDRH) Regulations
26
CE/CDRH Radiation Control Drawings
27
Figure 2-4: CE/CDRH Radiation Control Drawing
27
Figure 2-5: CE/CDRH Warning Labels
28
Label Translations
29
Table 2-1: Label Translations
29
CE Declaration of Conformity (Emissions)
30
Sources for Additional Information
32
Laser Safety Standards
32
Equipment and Training
33
Chapter 3: Opal Description
35
Opos
35
Figure 3-1: a Typical Optical Parametric Oscillator Configuration
36
Figure 3-2: Optical Frequency Three-Wave Conversion Process
36
The Opal
37
Figure 3-3: Typical System Setup
37
Figure 3-4: Signal and Idler Wavelengths Are Tuned by Changing the Temperature of the LBO Crystal
37
Figure 3-5: the Opal Tuning Curves
38
Figure 3-6: Opal Cavity Beam Path
38
Wavelength Tuning Characteristics
38
Configuration
39
Purging the Cavity
40
The Opal Electronics Module
40
Figure 3-7: Wavelengths most Affected by Vapor Absorption
41
Opal Specifications
42
Table 3-1: Opal Specifications
42
Outline Drawings
43
References
43
Figure 3-8: Outline Drawings
43
Chapter 4: Controls, Indicators and Connections
45
Opal Head
45
Figure 4-1: Opal Head Controls and Connections
45
Figure 4-2: Opal Cavity Layout
46
Input Bezel Connections
46
Opto-Mechanical Controls
46
Opal Electronics Module
49
Front Panel
49
Figure 4-3: Front Panel, Opal Electronics Module
49
Rear Panel
50
Figure 4-4: Rear Panel, Opal Electronics Module
50
Chapter 5: Installation and Alignment
53
Opal Installation
53
Setting up the System
54
Figure 5-1: Opal System Layout with a Tsunami Mode-Locked Ti:sapphire Laser and a Millennia Diode-Pumped Pump Laser
54
Removing/Installing the LBO Crystal
55
Aligning the Opal Head
57
Attaching the Opal Purge Line
59
Figure 5-2: Opal Cavity Layout
59
Figure 5-3: Transmittance Vs. Wavelengths for Water Vapor in the Opal Signal Wavelength Range
60
Removing the Opal Purge Line
61
Opal Alignment-1.3 ΜM Optic Set
61
Initial Set-Up
61
Figure 5-5: P and M Spacing
62
Aligning the Pump Beam
63
Aligning the Opal Cavity
64
Figure 5-6: Figure "8" Frequency-Doubled Blue Beam
64
Alignment of Pr and Pr Prism Sequence
66
Completing the Cavity Alignment
67
Aligning the Beam to the Servo Wavelength Monitor Assembly
68
Completing the Alignment
69
Figure 5-7: Positioning the Signal Beam Horizontally on the Grating
69
Figure 5-8: Visible Light Filter, Side View (Attaches to Signal Window)
69
Table 5-1: Typical Settings for Opal Output at 1.300 ΜM
70
Opal Alignment-1.5 ΜM Optic Set
71
Initial Set-Up
71
Aligning the Pump Beam
72
Aligning the Opal Cavity
73
Completing the Cavity Alignment
75
Aligning the Beam to the Servo Wavelength Monitor
76
Completing the Alignment
77
Table 5-2: Typical Settings for Opal Output at 1.500 ΜM
78
Converting from 1.3 to 1.5 ΜM
79
Table 5-3: Optical List for 1.5 ΜM Operation
79
Converting from 1.5 to 1.3 ΜM
80
Table 5-4: Optics List for 1.3 ΜM Operation
80
Chapter 6: Operation
81
General Operation
81
Turning on the System
82
Table 6-1: Typical Settings for Several Opal Wavelengths
83
Resetting the Wavelength
84
Turning off the System
84
Purging the Opal
85
Figure 6-1: Wavelengths most Affected by Vapor Absorption
85
Purge Turn-Off
86
Purge Turn-On
86
The Front Panel Menu Control System
86
The Menus
87
Figure 6-2: Flowchart of the Opal Electronics Module Menu System
88
Main Menu (MAIN)
89
Scan Menu (SCAN)
90
Paused Scan Status Menu (SCAN)
91
Scan Status Menu (SCAN)
91
Adjust Temp Menu (ADJUST TEMPERATURE)
92
Remote Menu (REMOTE)
92
Clear Menu (ADJUST TEMPERATURE)
94
Setup Menu (SETUP)
95
Scan Length Menu (SETUP)
96
Scanning Coarse Length Menu (SETUP)
96
Configure Menu (CONFIGURE)
97
Save/Recall Menu (CONFIGURATION)
97
Miscellaneous (CONFIGURATION)
98
Diagnostics Menu (DIAGNOSTICS)
99
Manual Control Menu (DIAGNOSTICS)
99
Scanning Coarse Length Menu (DIAGNOSTICS)
101
Wavelength Calibration (DIAGNOSTICS)
101
Chapter 7: Maintenance
103
Notes on the Cleaning of Laser Optics
103
Equipment Required
104
Removing and Cleaning Opal Optics
104
Standard Cleaning Procedures
105
General Procedure for Cleaning All Optics Except the Crystal
106
Figure 7-1: Drop and Drag Method
106
Figure 7-2: Tissue Folded for Cleaning
107
General Procedure for Cleaning the Crystal
108
Chapter 8: Service and Repair
109
Troubleshooting Guide
109
Replacement Parts
114
Table 8-1: Opal Standard Mirrors
114
Table 8-2: Opal Hardware
114
Table 8-3: Tsunami Special Optics
114
Chapter 9 Customer Service
115
Warranty
115
Return of the Instrument for Repair
116
Service Centers
117
Appendix A: Setting the Line Voltage Switch
119
Figure A-1: Power Switch, Line Cord, and Voltage Selector Module
119
Table A-1: Fuse Selection
120
Appendix B: GVD Compensation
121
Introduction
121
The Autocorrelation Technique
121
Measurement of Ultrashort Pulses
121
Figure B-1: Interferometric (Collinear) Autocorrelation
122
Figure B-2: Background-Free (Non-Collinear) Autocorrelation
122
Figure B-3: the Model 409-08 Autocorrelator Optical Path. the Beam Paths Are
123
Signal Interpretation
124
GVD Compensation in Measurement of Ultrashort Pulses
124
Table B-1: Second-Order Autocorrelation Functions and Time-Bandwidth Products for Various Pulse Shape Models
124
Table B-2: Positive Dispersion Values @ 800 Nm
126
Table B-3: Negative Dispersion Values @ 800 Nm
126
Calculating Pulse Broadening
127
Figure B-5: Broadening Curve
128
Appendix C: Servo Wavelength Calibration Procedure
131
Stepper Calibration Procedure
131
Table C-1: 1St Order Settings for Several Opal Wavelengths
133
Appendix D: Replacing the PCMCIA Card Battery
135
Card Description/Replacement Battery List
135
Figure D-1: Three Examples of PCMCIA Cards
135
Procedure
136
Appendix E: Using the Optional RS-232/IEEE-488 Interface
139
Scope
139
Overview
139
Format and Syntax Rules
140
Commands
140
Additional Commands Required by the IEEE 488.2 Standard
142
Connections
144
Table E-1: RS-232-C Interface to a Standard 25-Pin PC Com Port
144
Table E-2: RS-232-C Interface to a Standard 9-Pin PC-AT Com Port
144
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