Tsunami - Beckman Institute Laser Resource Center

Tsunami
Figure 7-1 : Transmittance vs . Wavelength for Oxygen and Water Vapor ..... 7-2
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Figure 7-2: Tsunami External Laser Head Controls ...................... 7-3 .
Figure 7-3: Bandwidth vs Pulse Width for a
Transform-limited sech2 Pulse Shape ................................ 7-6
Figure 7-4: Placement of Prl and Pr4 in beam ........................... 7-8
Figure 8-1 : The Lok-to-Clock Phase-locked Loop ........................ 8-1
Figure 8-2: Model 3930 Electronics Module Front Panel
Controls and Indicators ............................................ 8-2
Figure 8-3: Model 3930 Electronics Module Rear Panel
Controls and Connections .......................................... 8-4
Figure 8-4: Lok-to-Clock Femtosecond System Block Diagram ............ 8-5
Figure 8-5: Lok-to-Clock Picosecond System Block Diagram .............. 8-6
Figure 8-6: Synchronization of two Lok-to-Clock Tsunami Lasers .......... 8-11
Figure 8-7: Typical cross-correlation signal for two LTC Tsunami lasers .
Waveform averaged over five seconds . AT = 2.8 ps FWHM .............. 8-12
Figure 8-8: Synchronization of a Standard Tsunami Laser to a
Lok-to-Clock Tsunami Laser ......................................... 8-13
Figure 8-9: Typical Cross-correlation Signal for a LTC Tsunami Laser
and Mode-locked Laser. AT = 2.4 ps FWHM ........................... 8-15
Figure 8-1 0: The TO 3930 Connector .................................. 8-16
Figure 8-11 : A suggested schematic for driving the
coarse position MI motor ........................................... 8-17
Figure 9-1: Drop and Drag Method ..................................... 9-4
Figure 9-2: Lens Tissue Folded for Cleaning ............................ 9-4
Figure 9-3: Birefringent Filter .......................................... 9-8
Figure 9-4: AOM. Output Coupler MlO. and Beam Splitter ................ 9-11
Figure 9-5: Underside of Model 391 0 showing filter assembly
placement and orientation .......................................... 9-14
Figure A-1 : Typical output of a mode-locked laser. where L is
the cavity length and c is the velocity of light .......................... A-2
Figure A-2: Active mode locking using an AOM . Modulation sidebands
are produced when a wave passes through an amplitude modulator ...... A-3
Figure A-3: Amplitude and frequency of longitudinal modes
in a mode-locked laser ............................................. A-3
Figure A-4: Configuration of the electronics for a
regenerative mode-locked laser ..................................... A-5
Figure A-5: Typical wavelength dependence of the
refractive index of a material ........................................ A-7
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