Tempest Nd:YAG Laser Operator’s Manual
vi
Power Supply .............................................................................................................................. 26
Control Panel .............................................................................................................................. 27
Interlocks ........................................................................................................................................ 27
Internal Interlocks........................................................................................................................ 27
External Interlock ........................................................................................................................ 27
Triggering and Timing ................................................................................................................... 28
Inputs and Outputs...................................................................................................................... 28
Internal Triggering ....................................................................................................................... 29
External Triggering...................................................................................................................... 30
External Q-switch Triggering....................................................................................................... 32
External Flashlamp Triggering .................................................................................................... 32
External TTL Direct Triggering.................................................................................................... 32
Harmonic Generators..................................................................................................................... 34
Second Harmonic Installation ..................................................................................................... 34
Third Harmonic Installation ......................................................................................................... 36
Fourth Harmonic Installation ....................................................................................................... 36
Gemini PIV Alignment.................................................................................................................... 37
Gemini UV Operation ..................................................................................................................... 39
Third Harmonic Installation ......................................................................................................... 40
Fourth Harmonic Installation ....................................................................................................... 40
Return to 532 nm operation ........................................................................................................ 41
Chapter Five, Maintenance ....................................43
Introduction .................................................................................................................................... 45
Cooling System .............................................................................................................................. 45
Deionization Cartridge Replacement .......................................................................................... 45
Cooling System Flush ................................................................................................................. 47
Flashlamp Replacement................................................................................................................ 49
Chapter Six, Troubleshooting ...............................53
Introduction .................................................................................................................................... 55
Observed Conditions..................................................................................................................... 55
Recommended Procedures........................................................................................................... 55
Procedure 1. Laser does not start..............................................................................................55
Procedure 2. Laser starts, but no light is emitted ...................................................................... 56
Procedure 3. Low fundamental output energy........................................................................... 56
Procedure 4. Unstable laser energy .......................................................................................... 56
Procedure 5. Clipped laser beam .............................................................................................. 57
Procedure 6. Low second harmonic energy .............................................................................. 57
Procedure 7. Low third harmonic energy ................................................................................... 58
Procedure 8. Low fourth harmonic energy................................................................................. 58
Appendix A, Part Numbers ....................................62
Appendix B, Limited Warranty ..............................62