Tsunami - Beckman Institute Laser Resource Center

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Tsunami Figure 8-7: Typical cross-correlation signal for two LTC Tsunami lasers. Waveform averaged over five seconds. AT = 2.8 ps FWHM. Example 2: Synchronizing Pulses from a mode-locked laser with a LTC Tsunami A cross-correlation of the two pulses can be generated by displaying the sum frequency mixed signal on a photodetector and activating the sweep generator. Alternatively, the cross-correlation signal can be observed by sending the spatial and temporally overlapped beams into an autocorrelator such as the Model 409. Figure 8-7 shows a typical cross-correlation trace for two ps Tsunami lasers each having 1.5 ps pulse widths. A similar procedure can be applied for locking a LTC Tsunami to another mode-locked laser operating close to 80 MHz (e-g., a standard Tsunami laser operating at 82 MHz). The cross-correlation signal obtained from such a system is dependent upon the phase noise of the mode-locked laser. Figure 8-8 shows a typical setup. A beam splitter is used to pick off a small amount of output from the mode-locked source which is then sent to a Model 3932-BSM for operation with wavelengths below 900 nm or a Model 3932-LX for wavelengths beyond 900 nm. The output of these photodetectors provide the appropriate waveforms for the REF IN signal of the Model 3930. 1. Verify the output of the Model 3932 is 0 dbm into an 50 Q termination (0.63 Vpp max.).
I 1 1 I 1~~~ 11 I 1 1 1 1 .III :ill :I 1 III I I i III I t I I a11 I I I 1 Lok-to-Clock Electronics Model 2080 C\ Mode-locked Laser - C\ Photodetector Model 3932 80 MHz Model 3930 REF IN PZT Signal Photodiode Input Filter Lens I I I I I I I T " I 3 0 Crystal Splitter i Oscilloscope - Photodiode Sample Lens Calibration : cx Etalon ; I I - Figure 8-8: Synchronization of a Standard Tsunami Laser to a Lok-to-Clock Tsunami Laser. 2. With the Model 3930 unlocked, place a photodiode (e.g., an ET2000) at the source of the experiment. 3. Adjust the optical alignment so the pulse train for each laser can be identified. 4. Mode lock the non-LTC laser. 5. Using the Model 3930, set up and lock the LTC Tsunami as outlined in "Operation Notes" above.
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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
Page 84 and 85: Tsunami Aligning the Photodiode PC
Page 86 and 87: Tsunami To measure pulses, use a Sp
Page 88 and 89: Tsunami pulses, adjust the coarse c
Page 90 and 91: Tsunami Selecting, Installing, and
Page 92 and 93: 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: P Lok-to-Clock Electronics Model 20
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 144 and 145: Tsunami Figure 9-1: Drop and Drag M
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
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I I 0 I I 1 I )I Ulllllll ill I Mod
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Mode Locking SPM will, thus, broade
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Mode Locking The net intracavity GV
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Appendix B Pulse Width Measurement
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I I 0 I I 1 1 LI I lillll Ill I!,ll
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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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