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Coherent DIAMOND Series - User Manual

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Operators Manual
DIAMOND Series OEM/Industrial
DIAMOND™ C-20 and C-30
Liquid-Cooled Laser

Table of Contents

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Summary

Signal Words and Symbols

Signal Words Explained

Defines the meaning of DANGER, WARNING, CAUTION, and NOTICE signal words used in the manual.

Hazard Symbols Identification

Identifies common hazard symbols used in the manual for operator safety and warnings.

Preface

Export Control Laws Compliance

Outlines Coherent's policy and U.S. regulations regarding export and re-export of lasers.

Notice: Regulatory Status

Informs about the laser component's regulatory status relative to end-user safety features.

Notice: Warranty Information

States that operating or handling the component inconsistently with the manual may void the warranty.

Section One: Description and Specifications

Introduction to Product Description

Details specifications and characteristics of DIAMOND C-20 and C-30 lasers.

Purpose of this Operators Manual

Explains the manual's goal: assisting OEMs in integrating DIAMOND C-20 and C-30 lasers.

Specifications and Input Requirements

Provides specifications and requirements for cooling water and power inputs for the lasers.

Hardware Overview of Laser System

Describes the DIAMOND C-20 and C-30 lasers as waveguide CO2 lasers excited by RF fields.

DC Input Power Requirements

Details the DC input power provided by the user to the RF power module for laser operation.

Cooling Requirements for Lasers

Specifies heat dissipation and the need for adequate cooling to maintain operating temperature.

Air vs. Liquid Cooling Comparison

Compares advantages of air and liquid cooling systems for laser modules.

Liquid Cooling Option Details

Discusses installation requirements for the liquid-cooling option of the lasers.

Laser Head Description

Explains the function of the laser head in converting RF power to laser radiation and heat.

RF Power Module Description

Describes the RF power module's role in converting DC power to RF energy for the laser head.

Laser Specifications Tables

Refers to tables detailing specifications and input requirements for DIAMOND C-20 and C-30 lasers.

Section Two: Laser Safety

Optical Safety Precautions

Emphasizes safe operation and awareness of laser light hazards to eyes and skin.

Nominal Ocular Hazard Distance (NOHD)

Explains the NOHD and provides a graph based on laser power.

Electrical Safety Guidelines

Warns about lethal voltages and the need to follow electrical codes.

Laser Head Safety Considerations

Notes high voltages in the head and prohibits user service, warning of shock hazards.

Laser Safety Requirements and Compliance

Discusses compliance with U.S. and foreign government laser safety requirements.

Safety Interlocks Information

States that covers are not interlocked and should not be removed.

CE Mark Compliance Standards

Details CE marking and the integrator's responsibility for system compliance.

Environmental Compliance Standards

Covers compliance with EU RoHS and China's pollution control regulations.

WEEE Directive Compliance

Explains the WEEE directive for minimizing disposal of electronic waste.

Location of Safety Labels

Illustrates and describes the location of various safety labels on the laser system.

Section Three: Utility Requirements and System Installation

Introduction to Utility Requirements and Installation

Covers unpacking and installation of the DIAMOND C-20 and C-30 lasers.

Unpacking and Inspection Procedures

Guides on inspecting the shipping carton for damage and proper unpacking.

Verifying Delivered Items

Lists items included in the shipping container and how to report missing items.

Safety Issues in Laser Installation

Advises compliance with electrical and laser safety laws during installation.

Mechanical Mounting Guidelines

Discusses proper mechanical mounting to avoid stress and maintain alignment.

Mounting Considerations for DIAMOND C-20 and C-30

Provides specific recommendations for mounting the laser without inducing stress.

Liquid Cooling System

Explains that the laser is cooled by liquid coolant, and the system is user-supplied.

Cooling System Layout

Describes connecting the laser head and RF power module in series for interlock protection.

Coolant Flow Rate and Pressure

Specifies requirements for coolant flow rate and pressure to prevent damage.

Electrical Power Connection

Details the requirement for 48 VDC input DC power and connection methods.

DC Power Supply Requirements

Lists the requirements for customer-supplied DC power supplies.

Control Signal Connection

Explains electrical control via an RJ-45 connector and signal pin assignments.

Section Four: Laser Operation

Signal Interface Connectors

Details the signal interface between the laser and customer equipment via an RJ-45 connector.

Operating Modes Overview

Introduces continuous wave (CW) mode and Gated CW mode operation.

Typical Waveform Analysis

Illustrates a typical periodic pulsed laser waveform and defines PRF and duty cycle.

CW Mode Operation

Explains how to command the laser to operate in CW mode using the 'RF Enable' signal.

Power Stability Characteristics

Shows typical power stability during a warm-up period.

Pre-ionization Feature

Describes pre-ionization for start-up ease and improved pulse timing repeatability.

Gated CW Mode Operation

Details capability for various pulse repetition frequencies, widths, and duty cycles.

Variable Output Power and Pulsewidth

Explains how to vary average laser output power by adjusting pulsewidth.

Turning Laser On and Checking Output Power

Provides step-by-step instructions for turning on the laser and checking output power.

Electronic Control Interface

Discusses using the electronic interface for laser control and safety compliance.

Signals Used for Fault Detection

Explains how signals like Laser OK, Temperature OK, and Voltage OK diagnose faults.

VSWR Faults During Initial Turn-on

Addresses VSWR faults that may occur after extended non-operational periods.

Temperature Fault Handling

Describes high temperature warnings and automatic shutdown procedures.

Voltage Fault Handling

Explains the Voltage OK window comparator function and responsibility for supply voltage.

Section Five: Maintenance and Troubleshooting

Cooling System Maintenance

Recommends coolant checks, changes, and coolant flow interlock verification.

Output Optical Element Cleanliness

Warns against activating the laser with a contaminated output optical element.

Troubleshooting DC Power and Voltage

Provides checks for DC power availability and voltage at the signal interface.

Troubleshooting Over-Temperature Warning

Guides on troubleshooting the cooling system if the 'Temperature OK' signal is inactive.

Troubleshooting Over-Temperature Shutdown

Explains the cause of over-temperature shutdown and how to correct it.

Troubleshooting Output Beam Quality

Advises examining the output optical element for damage if beam quality is degraded.

Appendix A: Parts List

Optional Mounting Brackets

Lists part numbers for optional mounting brackets for the laser system.

Appendix B: Packing Procedure

Preparation of Liquid-Cooled Systems;RF Power Modules

Provides steps for draining and sealing cooling lines for liquid-cooled systems.

Preparation for Laser Heads

Details sealing the output coupler and packaging the laser head.

Shipping Instructions

Guides on obtaining an RMA, packaging, and notifying shippers about fragility.

Appendix C: Accessories

Power Meters and Sensors

Offers a variety of instruments for laser test and measurement.

Coherents Recommendation for Power Meters

Recommends the FieldmaxTMII-TO with a PM-30 sensor for diagnostics.

Warranty Information

DIAMOND Series Laser Warranty Terms

States warranty coverage for DIAMOND C-20 and C-30 lasers against defects.

Conditions of Warranty Service

Outlines requirements for returning products for warranty service.

Buyers Responsibilities Under Warranty

Details buyer's responsibilities regarding utilities, environment, and claim notification.

Limitations of Warranty Coverage

Lists conditions under which the warranty does not apply.

Glossary of Terms

Index

Coherent DIAMOND Series Specifications

General IconGeneral
BrandCoherent
ModelDIAMOND Series
CategoryMeasuring Instruments
LanguageEnglish

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