Tsunami - Beckman Institute Laser Resource Center

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Tsunami Figure 9-1: Drop and Drag Method. Figure 9-2: Lens Tissue Folded for Cleaning 3. For stubborn contaminants and to access hard-to-reach places, use a tissue in a hemostat to clean the optic. a. Fold a piece of tissue in half repeatedly until you have a pad about 1 cm square, and clamp it in a plastic hemostat (Figure 9-2). CAUTION While folding, do not touch the surface of the tissue that will contact the optic, or you will contaminate the solvent. b. If required, cut the paper with a solvent-cleaned tool to allow access to the optic. c. Saturate the tissue with acetone or methanol, shake off the excess, resaturate, and shake again. d. Wipe the surface in a single motion. I \/
Maintenance Be careful that the hemostat does not touch the optic surface or the coating may be scratched. 4. Inspect the cleaned optic under ample light to verify the optic actually got cleaner, i.e., you did not replace one contaminant with another. Removing and Cleaning Tsunami Optics DANGER: LASER RADIATION Tsunami is a Class IV High Power Laser. Bypassing the safety interlock shutter can expose the user to hazardous radiation. Always wear proper eye protection and follow the safety precautions in chapter 2, "Laser Safety." For safety, always close the pump laser shutter when you change optics. Remove, clean, and install mirrors one at a time, in sequence, to avoid accidental exchanges and loss of alignment reference. After cleaning and replacing each mirror, open the pump laser shutter, and adjust the mirror vertically and horizontally for maximum output power, followed by an adjustment of M1 and Mlo for maximum output power. Iterate your adjustment of M1 and M10 until no further increase in power is possible. Only then proceed to clean the next optic. Inspect the optics for dirt or contamination. If drty, clean the optics in the following order until the system meets specifications. This list orders the optics by influence in power loss. Naturally, clean those that are obviously dirty first. You should not have to clean every optic. Note: if an optic is dirty, an ir viewer will usually show unusual scatter. 1. Input and output Brewster window surfaces 2. Prisms 3. Rod surfaces 4. Bi-fi (ps configuration), outside surfaces only 5. p1,p2 6. MB (both surfaces) 7. M2 8. M4, M5 9. M7, M8 10. M6, M9 11. Mlo, M1 (fs) or GTI (ps) 12. A/O modulator (AOM) 13. Beam splitter (highly unlikely that it will need cleaning)
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Tsunami Mode-locked Ti: sapphire La
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Table of Contents ... Preface .....
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Table of Contents . Chapter 6: Alig
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Table of Contents Chapter 10: Optio
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Table of Contents Figure 4-7: Typic
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Table of Contents Figure A-6: The f
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Warning Conventions The following w
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List of Abbreviations Used in this
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Tsunami Figure 1-1: The Tsunami Las
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Chapter 2 Laser Safety DANGER The T
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Laser Safety CA UTlON Use of contro
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1 1 1 Il I 11 I I 1 El l11111II~Ill
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Chapter 3 Laser Description General
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Laser Description growth techniques
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Laser Description - AOM OC n Fast P
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Laser Description 2.4 - 2.2 - 2.0 -
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I IIIIIN III I I 1 I 11111 i~ I I I
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I II li I I I i 1 il I 1 11 I 1 1 1
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I Laser Description . Outline Dimen
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Tsunami Input Bezel Connections The
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Tsunami Opto-Mechanical Controls Al
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Tsunami Blue Knob: Vertical Adjust
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~lpl~ f \ Tsunami Opto-Mechanical C
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Tsunami Figure 4-7: 'Qpical MONITOR
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Tsunami r @ Spectra-Physics - - 4 2
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Tsunami Laser Installation Installi
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Tsunami Setting up the Routing Mirr
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Tsunami Aligning the Tsunami Laser
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Tsunami A -----------. PHOTODIODE O
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Tsunami Removing the Purge Line fro
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Tsunami Motorized Mount "Dm-shaped
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Tsunami I I J3 3930 - - - #,-,I --J
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Tsunami CA UTION DO NOT remove or a
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Tsunami Refer to the tables at the
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Tsunami b. Move the stage by hand a
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Tsunami There will be one or two re
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Tsunami Figure 6-9: The Slit Contro
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Tsunami b. Place a white card with
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Tsunami Aligning the Photodiode PC
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Tsunami To measure pulses, use a Sp
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Tsunami pulses, adjust the coarse c
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Tsunami Selecting, Installing, and
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Tsunami Unless you are certain the
Page 94 and 95: Tsunami Prism Translation Adjust Fi
Page 96 and 97: Tsunami i. Route the GTI heater cab
Page 98 and 99: Tsunami Figure 6-18: Pr1/Pr4 prisms
Page 100 and 101: Tsunami Converting Between fs and p
Page 102 and 103: Tsunami b. Using an ir viewer, adju
Page 104 and 105: Tsunami g. Open the shutter. 15. Al
Page 106 and 107: Tsunami 10. Move Prl and Pr4 into t
Page 108 and 109: Tsunami 21. Mode lock Tsunami. Refe
Page 110 and 111: I " n 3 1 ' ! ' I . I 8 8 8 " t 8 0
Page 112 and 113: Tsunami recommend using 99.999% pur
Page 114 and 115: Tsunami Mode Locking the Laser 6. W
Page 116 and 117: Tsunami - - - 710 nrn - - 790 nrn -
Page 118 and 119: 4 Tsunami Beam % 2 mm (0.08 in.) Pr
Page 120 and 121: Tsunami Table 7-1: Bi-fi Selection
Page 123 and 124: I I1 ! I : I I I ill 8 I !Il! I1I l
Page 125 and 126: Lok-to-Clock Electronics LEVEL cont
Page 127 and 128: Lok-to-Clock Electronics AOM M5f-4
Page 129 and 130: Lok-to-Clock Electronics Installing
Page 131 and 132: I I1 I i l l I iil 111 ,111 Ill ,il
Page 133 and 134: P Lok-to-Clock Electronics Model 20
Page 135 and 136: I 1 1 I 1~~~ 11 I 1 1 1 1 .III :ill
Page 137 and 138: Lok-to-Clock Electronics Figure 8-9
Page 139: I I1 I l I 1 bll Lok-to-Clock Elect
Page 142 and 143: Tsunami "Clean" is a relative descr
Page 146 and 147: Tsunami With the exception of pump
Page 148 and 149: Tsunami On rare occasions, the lowe
Page 150 and 151: Tsunami 8. Open the pump laser shut
Page 152 and 153: Tsunami 7. Remove the screws (4) ho
Page 154 and 155: Tsunami DryJClean Flow Adjust Nitro
Page 156 and 157: Tsunami diode such as the Model 393
Page 158 and 159: €968-PEP0 ES68-PEP0 PS68-PEP0 ES6
Page 160 and 161: Tsunami Check marks indicate which
Page 162 and 163: Tsunami Table 10-11: GTI and Bi-Pi
Page 164 and 165: Tsunami Generic Troubleshooting (No
Page 166 and 167: Tsunami Symptom: Laser will not mod
Page 168 and 169: Tsunami Symptom: Unable to mode loc
Page 170 and 171: Tsunami Symptom: Unable to mode loc
Page 172 and 173: Tsunami Symptom: Cannot see individ
Page 174 and 175: Tsunami Symptom: PZT oscillates whe
Page 177 and 178: I I ill ; I l l I I lll.l1 I I I *
Page 179 and 180: I I 111 il I iil i lllill ll I I ll
Page 181 and 182: I I il : I I I 1 I Appendix A Mode
Page 183 and 184: Mode Locking is chosen to be the sa
Page 185 and 186: I I 0 I I 1 I )I Ulllllll ill I Mod
Page 187 and 188: Mode Locking SPM will, thus, broade
Page 189 and 190: Mode Locking The net intracavity GV
Page 191 and 192: Appendix B Pulse Width Measurement
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Pulse Width Measurement -% GVD Comp
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I I I I I I I I ti 911 I1 I Pulse W
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I I I I I I B I IL 1 1 i 1111 I L I
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I I 0 I I 1 1 L I I Pulse Width Mea
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Appendix C Setting the Line Voltage
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Appendix D Material Safetv Data She
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Material Safety Data Sheets MATERIA
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I I I 1 r $1 I Bill II I I I I Ill
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Material Safety Data Sheets MATERIA
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Tsunami - Beckman Institute Laser Resource Center

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