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Spectra-Physics Pulseo manual available for free PDF download: User Manual
Spectra-Physics Pulseo User Manual (160 pages)
High Peak Power, Diode Pumped, Q-Switched, 355 nm Laser System
Brand:
Spectra-Physics
| Category:
Measuring Instruments
| Size: 6 MB
Table of Contents
Preface
3
Environmental Specifications
5
CE Electrical Equipment Requirements
5
FCC Regulations
5
Table of Contents
7
Warning Conventions
13
Standard Units
15
Abbreviations
17
Unpacking and Inspection
19
Unpacking the Laser System
19
Unpacking Procedure
20
Figure 1: the Laser Head Crate Showing the Tilt/Shock Watches
20
Packing the Laser System for Return to Spectra-Physics
26
Accessory Kit
27
Chapter 1 Introduction
29
Figure 1-1: the Pulseo Laser Head and Power Supply
29
The Pulseo Laser Head
30
The Model J200 Power Supply
30
System Control
31
Environmental Control
31
Patents
31
Chapter 2: Laser Safety
33
Precautions for the Safe Operation of Class IV High Power Lasers
33
Figure 2-1: These Safety Warning Labels Would be Appropriate for Use as Entry Warning Signs
34
Figure 2-2: Folded Metal Beam Target
34
Safety Devices
35
Figure 2-3: the Model J200 Safety Devices
35
Emission Indicators
36
Figure 2-4: the Pulseo Laser Head Indicators
36
Figure 2-5: the EMISSION Connector Schematic
36
Figure 2-6: the Model J200 Interlock Connector
37
On/Off Controls and Indicator
37
Safety Interlock
37
Shutter
37
Cover Safety Interlocks
38
Fuses
38
Maximum Emission Levels
38
Requirements for Safely Operating the Pulseo Laser System Via a User-Provided Control Device
39
Waste Electrical and Electronic Equipment Recycling Label
39
Radiation Control Drawings
40
Figure 2-7: Pulseo Laser Head Radiation Control Drawing
40
Figure 2-8: Model J200 Radiation Control Drawing
41
Safety Warning Labels
42
Figure 2-9: Safety Warning Labels
42
CE Declaration of Conformity
43
Sources for Additional Information
44
Laser Safety Standards
44
Equipment and Training
45
Chapter 3 Laser Description
47
Pulseo Laser Design
47
Laser Cavity Design
47
Q-Switching
48
Frequency Doubling and Tripling
48
Laser Power Monitor
48
Shutter Control
48
Constant Energy Feature
49
Laser Performance
49
Figure 3-1: Pulseo Pulse Energy and Pulse Width Vs. Repetition Rate
49
Figure 3-2: Pulseo Average Power and Stability Vs. Repetition Rate
50
The Model J200 Power Supply
51
The Fcbar System
51
System Control
51
Laser Head
51
Power Supply
52
Diode Module
52
Figure 3-3: Pulseo System Control Hardware
52
Specifications
53
Table 3-3: Dimensions and Weight
54
Table 3-4: Fuse Ratings
54
Outline Drawings
55
Figure 3-4: Outline Drawing, Pulseo Laser Head
55
Figure 3-5: Outline Drawing, Model J200 Power Supply
56
Block Diagrams
57
Figure 3-6: Interlock Safety Block Diagram
57
Chapter 4: Handling the Optical Fibers
59
Unpacking and Uncoiling
59
General Handling
59
Coiling Procedure
60
Figure 4-1: Fiber-Optic Cable Rolling Technique
60
Cleaning and Inspection
61
Equipment and Materials Required
61
Inspection Criteria
62
Figure 4-2: Examples of an Acceptable and Unacceptable Fiber Output Surface
62
Figure 4-3: Examples of Acceptable Fiber Bundles
62
Rejection Criteria
63
Figure 4-4: Examples of Unacceptable Fiber Bundles
63
Cleaning Methods
64
Fiber Connections
65
Figure 4-5: Fiber Cable Showing Fiber Connector and Cap
65
Chapter 5 Controls, Indicators and Connections
67
The Pulseo Laser Head
67
Controls
67
Indicators
67
Rear Panel Connections
68
The Model J200 Power Supply
69
Controls
69
Indicators
70
Connections
70
Control Panel Connections
72
Table 5-1: IBM-PC/AT Serial Port Pinout
73
The Shutter Control Interface
75
Mode: Serial Commands
75
Mode: Laser Control Connector
75
Mode: Control by Direct Connection to the Shutter Control Connector
76
Safety Mode and Process Mode
76
Table 5-2: Shutter Control Connector on the Model J200 Power Supply
76
Opto-Isolated Connections of the Laser Control Interface
77
Opto-Isolated Inputs
77
Opto-Isolated Outputs
78
Table 5-3: Opto-Isolator Input Parameters
78
Table 5-4: Opto-Isolator Output Parameters
78
Chapter 6: Installation
79
Utility Requirements
79
Mounting the Laser Head
80
Installing the Power Supply
81
Connecting the System
82
Connecting the Fiber-Optic Cables
86
Laser Alignment
87
Installing the GUI Control Software
87
Installing the Pulseo USB Driver
87
Installing the Pulseo GUI Control Software
89
Initial Startup
90
The Pulseo GUI Control Panel
92
Chapter 7: Operation
97
Summary of Turn On/Turn off Using the Serial Interface
98
Turn on
98
Turn off
98
Common Operating Methods
99
Table 7-1: Operating Method Summary, Internal Triggering
99
Method A: Internal Pulse Trigger: Internal Gating
100
Method B: Internal Pulse Trigger: External Gating Via Enable BNC (Refer to Case A.1)
100
Method C: Internal Pulse Trigger: External Gating Via LASER CONTROL
101
Table 7-2: Operating Method Summary, External Triggering
102
Timing Diagrams - Using the External Interface
102
Method D: External Pulse Trigger: One Pin Operation, Constant Frequency
103
Method E: External Pulse Trigger: One Pin Operation, Variable Frequency
103
Detailed View of External-Triggering Timing
104
Method F: External Pulse Trigger: External Gating
104
Method G: External Pulse Trigger: Equalizing the First Pulse
104
Method H: External Pulse Trigger: Running below E for Constant Energy Operation
104
The Serial Command Language
105
Pinout/Wiring
105
Conventions
105
Basic Commands
106
Important Commands
110
Commands Used Less Often
113
The LASER CONTROL Interface
119
Important Notes on Controlling Pulseo Output Power
121
Changing Output Power
121
A Cautionary Note on Changing Power
122
The Diode Laser Current Limit
122
Chapter 8 Maintenance and Service
125
Maintaining Ultraviolet Output Power
125
General Procedure
125
Optimizing the Harmonic Crystal Temperatures
127
Translating the THG Crystal
128
The Model J200 Power Supply
129
Changing the Desiccant
129
Table 8-1: Overall Sequence of THG Crystal Movement
129
Changing the Air Filters
133
Fuses
134
The Chiller
134
Table 8-2: Fuse Ratings for F1, F2 of the Model J200 Power Supply
134
Service Training Programs
135
Replacement Parts
135
Table 8-3: Field Replaceable Units
135
Customer Service
136
Warranty
136
Notice
137
Return of the Instrument for Repair
137
Service Centers
138
Appendix A: Status Codes
141
Table A-1: System Events
141
Appendix B: a Brief Review of Laser Theory
143
Emission and Absorption of Light
143
Population Inversion
144
Resonant Optical Cavity
146
Nd 3+ as a Laser Medium
147
Diode-Pumped Laser Design
148
Harmonic Generation
149
Acousto-Optic Modulation and Q-Switching
151
Notes
153
Report Form for Problems and Solutions
159
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