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Coherent DIAMOND Series User Manual
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Operator
’
s Manual
D
IAMOND
Series OEM/Industrial
D
IAMOND
™ C-20 and C-30
Liquid-Cooled Laser
2
Table of Contents
Operator’s Manual DIAMOND Series OEM/Industrial DIAMOND™ C-20 and C-30 Liquid-Cooled Laser
3
Table of Contents
5
List of Illustrations
8
List of Tables
8
Signal Words and Symbols in this Manual
9
Signal Words
9
Symbols
10
Preface
11
Export Control Laws Compliance
11
Notice Concerning Regulatory Status of DIAMOND Series Lasers
12
Notice Concerning Warranty
12
Section One: Description and Specifications
13
Introduction
13
Purpose of This Manual
13
Specifications and Input Requirements
14
Hardware Overview
14
DC Input Power
14
Cooling Requirements
14
Comparison of Air Cooling & Liquid Cooling (Reference)
15
Liquid-Cooling Option of DIAMOND C-20 and C-30
15
Laser Head
16
RF Power Module
16
Specifications
16
Section Two: Laser Safety
19
Optical Safety
19
Viewing Distance
20
Electrical Safety
22
Laser Head
23
Laser Safety Requirements
23
Safety Interlocks
24
Compliance to Standards Relevant to CE Mark
24
Environmental Compliance
25
Waste Electrical and Electronic Equipment (WEEE, 2002)
25
Location of Safety Labels
26
Section Three: Utility Requirements and System Installation
31
Introduction
31
Unpacking and Inspection
31
Verifying Delivery
31
Checking Delivered Items
31
Safety Issues in Laser Installation
32
Mechanical Mounting
32
Mounting Considerations for DIAMOND C-2 0 and C-30
34
Liquid Cooling
34
Cooling System Layout
35
Re-Circulation and Coolant Flow Interlock Switch
35
Signal Interface
35
Thermal Shutdown Switch
35
DC Power Relay
36
Condensation of Water Vapor
36
Coolant Fittings on Laser System
37
Cooling Capacity
37
Coolant Filtering
37
Coolant Flow Rate and Pressure
38
Pressure Drop
38
Electrical Power Connection
39
DC Power Supply Requirements
40
DC Power Supply Cabling Requirements
40
Control Signal Connection
41
Beam Propagation
42
Section Four: Laser Operation
43
Signal Interface Connectors
43
Operating Modes
44
Typical Waveform
44
CW Mode
45
Power Stability
45
Pre-Ionization
46
Gated CW Mode
46
Variable Output Power Capability; Pulsewidth Variation
46
Optical Pulse Shape
46
Complex Modulation Waveforms
46
Varying the Pulsewidth
46
Protection from Unacceptable Inputs
47
Turning the Laser On and Checking Output Power
47
Electronic Control
48
Electronic Signals Required to Turn the Laser On
49
Start-up Sequence
49
Response Times of Laser to RF Enable and Control Enable
49
Signals Used for Fault Detection
50
VSWR Faults During Initial Turn-on
51
C-20 and C-30 Microcontroller, I/O Signal Operation
52
Temperature Fault
54
Voltage Fault
55
Section Five: Maintenance and Troubleshooting
57
Maintenance
57
Cooling System Maintenance
57
Cleanliness of Output Optical Element
58
Troubleshooting
58
DC Power and Voltage
58
Control Inputs
58
Over-Temperature Warning
58
Over-Temperature Shutdown
59
CW Mode
59
Visualizing
59
Output Beam
59
Appendix A: Parts List
61
Appendix B: Packing Procedure
65
Preparation of Liquid-Cooled Systems/RF Power Modules
66
Preparation for Laser Heads
66
Shipping Instructions
67
Appendix C: Accessories
69
Power Meters and Sensors
69
Coherent’s Recommendation
69
Warranty
71
DIAMOND Series Laser Warranty
71
Conditions of Warranty
71
Responsibilities of the Buyer
71
Limitations of Warranty
72
Glossary
73
Index
75
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Coherent DIAMOND Series Specifications
General
Brand
Coherent
Model
DIAMOND Series
Category
Measuring Instruments
Language
English
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