Spectra-Physics 3980 Manuale utente

Model 3980

Frequency Doubler and Pulse Selector

User’s Manual

The Solid-State Laser Company

1335 Terra Bella Avenue

Mountain View, CA 94043

Part Number 0000-288A, Rev. C

August 2002

iii

Preface

This manual contains information you need in order to safely install, oper-

ate, maintain, and service your Model 3980 frequency doubler/pulse selec-

tor on a day-to-day basis.

The “Introduction” chapter contains a brief description of the Model 3980.

This is followed by an important chapter on laser safety. The Model 3980 is

designed for use with a Spectra-Physics Tsunami®mode-locked Ti:sap-

phire laser that is pumped by either a Millennia®diode-pumped, solid-state

cw laser or a BeamLok®2060 or 2080 ion laser. These are all Class IV—

high power lasers that emit laser radiation which can permanently damage

eyes and skin. This laser safety section contains information about these

hazards. To minimize the risk of injury or expensive repairs to the instru-

ments involved, carefully follow these instructions. This chapter also con-

tains information regarding system compliance to CDRH and CE

regulations with regards to high power lasers.

The “Description” chapter contains an overview of the Model 3980, and it

explains its intended use with the Tsunami laser. Following this overview is

a more detailed description of the Model 3980 which concludes with speci-

fications and outline drawings.

The next few chapters describe the Model 3980 controls and interconnects

and guide you through its installation, alignment and operation. The last

part of the manual covers maintenance and service and includes a replace-

ment parts list and a list of world-wide Spectra-Physics service centers you

can call if you need help.

While this manual contains a brief installation procedure, it is not intended

as a guide to the initial installation and set-up of your Model 3980. Please

wait for the Spectra-Physics service engineer who has been assigned this

task as part of your purchase agreement. Allow only those qualified and

authorized by Spectra-Physics to install and set up your system.

Whereas the “Maintenance” section contains information you need to keep

your unit clean and operational on a day-to-day basis, “Service and Repair”

is intended to help you guide your Spectra-Physics field service engineer to

the source of any problems. Do not attempt repairs yourself while the unit

is still under warranty; instead, report all problems to Spectra-Physics for

warranty repair.

Finally, if you encounter any difficulty with the content or style of this

manual, please let us know. The last page is a form to aid in bringing such

problems to our attention.

Thank you for your purchase of Spectra-Physics instruments.

Table of Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Warning Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix

Standard Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi

Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Unpacking Your Model 3980. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

System Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Accessory Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Understanding the Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Available Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Chapter 2: Laser Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Precautions for the Safe Operation of Class IV-High Power Lasers . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Safety Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Interlock Shutter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Maintenance Required to Keep this Laser Product in Compliance with

Center for Devices and Radio logical Health (CDRH) Regulations . . . . . . . . . . . . . . . . . . . . . . . . 2-4

CE/CDRH Warning Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Label Translations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

CE Declaration of Conformity (emissions) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

CE Declaration of Conformity (safety). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

Sources for Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Laser Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Equipment and Training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Chapter 3: Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Frequency Doubling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Picosecond Frequency Doubling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

Femtosecond Frequency Doubling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Pulse Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Gating Pulses Through the Bragg Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Maintaining Good Beam Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Protecting the AOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Changing Optics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

The Model 3986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Outline Drawings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

Model 3980 Frequency Doubler/Pulse Selector

Chapter 4: Controls, Indicators, and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Optical Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

External Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

General Purpose Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Pulse Selector Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Frequency Doubler Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5

Model 3986 Electronics Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

Rear Panel Controls and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8

Model 3983 Electronics Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10

Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10

Rear Panel Controls and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11

Chapter 5: Installation and Alignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2

General Installation and Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2

Pulse Selector Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5

Frequency Doubler Installation: Part I—For Systems Without or not Using the Pulse Selector . .5-9

Frequency Doubler Installation: Part II—All Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9

Converting Your System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-11

Converting from a Picosecond to a Femtosecond Pulse Selector . . . . . . . . . . . . . . . . . . . . . . . . .5-13

Converting from a Femtosecond to a Picosecond Pulse Selector . . . . . . . . . . . . . . . . . . . . . . . . .5-13

Converting From a Picosecond to a Femtosecond Frequency Doubler . . . . . . . . . . . . . . . . . . . .5-14

Converting From a Femtosecond to a Picosecond Frequency Doubler . . . . . . . . . . . . . . . . . . . .5-14

Converting from a Femtosecond Model 3980-6 to a

Model 3980-4 Femtosecond Frequency Doubler Only Unit . . . . . . . . . . . . . . . . . . . . . . . . . .5-15

Converting from a Femtosecond Model 3980-6 to a

Model 3980-1 Picosecond Frequency Doubler Only Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-15

Converting from a Picosecond Model 3980-3 to a

Model 3980-5 Femtosecond Pulse Selector Only Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-16

Chapter 6: Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

All Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

All Models except Model 3980-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Models 3980-1, -3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Models 3980-2, -3, -5, -6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Shut-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2

All Models Except Model 3980-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2

Model 3980-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2

Changing Optics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3

System Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3

Chapter 7: Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Notes on the Cleaning of Laser Optics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

Equipment Required: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

Standard Cleaning Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

General Procedures for Cleaning Optics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2

Cleaning the AOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-3

Cleaning the SHG Crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-4

Table of Contents

vii

Chapter 8: Service and Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Chapter 9: Customer Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

Return of the Instrument for Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

Service Centers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3

Appendix A: Selecting Proper Line Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Appendix B: Optimizing the Tsunami Laser Output. . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Recommended Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Optimizing Picosecond Tsunami Laser Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

Optimizing Femtosecond Tsunami Laser Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3

Notes

Report Form for Problems and Solutions

List of Figures

Figure 1-1: The Model 3980 Frequency Doubler/Pulse Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Figure 1-2: Model 3980 Schematic and Optical Beam Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Figure 2-1: Standard Safety Warning Sign . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Figure 2-2: Folded Metal Beam Target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Figure 2-3: The Model 3980 Interlock Shutter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Figure 2-4: Model 3980 CDRH/CE Warning Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Figure 3-1: Model 3980 Schematic and Optical Beam Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Figure 3-2: Beam Diffraction Through A Typical Acousto-optic Modulator (AOM) . . . . . . . . . . . . . . . . 3-4

Figure 3-3: Output pulse width from the AOM as a function of input pulse width. . . . . . . . . . . . . . . . . 3-6

Figure 3-4: Typical frequency-doubled, Tsunami ps tuning curves using 10 W TEM00

pump power from a Millennia Xs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Figure 3-5: Typical frequency-doubled, Tsunami fs tuning curves using 10 W TEM00

pump power from a Millennia Xs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

Figure 3-6: Outline Dimensions for the Model 3980, Model 3986, and Model 3983 . . . . . . . . . . . . . . 3-12

Figure 4-1: External Controls and Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Figure 4-2: Model 3980 Optical Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Figure 4-3: Pulse Selector Components and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Figure 4-4: AOM and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Figure 4-5: Frequency Doubler Components and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Figure 4-6: Model 3986 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

Figure 4-7: Model 3986 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

Figure 4-8: AOM Driver Schematic Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

Figure 4-9: Model 3983 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10

Figure 4-10: Model 3983 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10

Figure 5-1: The Pulse Selector Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

Figure 5-2: Beam Location Through the AOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Figure 5-3: The Frequency Doubler Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10

Figure 7-1: Lens Tissue Folded for Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

Figure A-1: Power Switch, Line Cord, and Voltage Selector Module . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Model 3980 Frequency Doubler/Pulse Selector

viii

List of Tables

Table 1-1: Optional System Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

Table 2-1: Label Translations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6

Table 3-1: Model 3980-1 ps Frequency Doubler Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-8

Table 3-2: Model 3980-4 fs Frequency Doubler Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-8

Table 3-3: Model 3980-2 ps Pulse Selector Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9

Table 3-4: Model 3980-3 ps Pulse Selector/Doubler Performance . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9

Table 3-5: Model 3980-2 ps Pulse Selector, -3 ps Pulse Selector/Doubler Performance . . . . . . . . . .3-9

Table 3-6: Model 3980-5 fs Pulse Selector Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10

Table 3-7: Model 3980-6 fs Pulse Selector/Doubler Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10

Table 3-8: Model 3980-5 fs Pulse Selector, -6 fs Pulse Selector/Doubler Performance . . . . . . . . . . .3-9

Table 3-9: Electrical/Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10

Table 5-1: L1and L2Lens Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5

Table 5-2: System Conversions for the 3980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-12

Table 8-1: Replacement Parts, Frequency Doubler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-4

Table 8-2: Replacement Parts, Pulse Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-4

Table 8-3: Replacement Parts, Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-4

Warning Conventions

The following warnings are used throughout this manual to draw your

attention to situations or procedures that require extra attention. They warn

of hazards to your health, damage to equipment, sensitive procedures, and

exceptional circumstances. All messages are set apart by a thin line above

and below the text as shown here.

Warning!

ESD

Laser radiation is present.

Condition or action may present a hazard to personal safety.

Condition or action may cause damage to equipment.

Condition or action may cause poor performance or error.

Text describes exceptional circumstances or makes a special refer-

ence.

Do not touch.

Appropriate laser safety eyewear should be worn during this opera-

tion.

Danger!

Warning!

Don't

Touch!

Eyewear

Required

Note

Condition or action may present an electrical hazard to personal

safety.

Refer to the manual before operating or using this device.

Action may cause electrostatic discharge and cause damage to equip-

ment.

Danger!

Laser Radiation

Danger!

Caution!

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