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How to Build Laser Radar: Design Principles,Technologies, and
Applications
July 16-20, 2012Course Schedule
Monday, July 16
Fundamentals of Laser Radar (J . Luu) 9:00 10:00 amRadar basics
what they measure, what kind of information is obtained; optical
vs. rf; resolution vs.
precision vs. accuracy; coherent vs. direct detection;
applications; course outline
Break 10:00 10:30 am
Optics Review (K. Holman) 10:30 am 12:00 pmGaussian beam
propagation; specular vs. diffuse scattering; radar equation
(resolved vs. unresolved
targets); atmospheric extinction; coherent vs. direct detection
signal models; polarization (birefringence /
electro-optic effect)
Lunch 12:00 1:30 pm
EH&S Laser Safety Training 1:30 2:30 pm
Break 2:30 pm 2:45 pm
Pre-Lab Discussion (K. Holman) 2:45 pm 3:15 pmFiber optics &
electro-optic modulators
Lab Rotation #1 3:15 4:15 pmPulse train generation with
electro-optic modulators and characterization (variable
parameters:bandwidth and optical power)
Break 4:15 pm 4:30 pm
Lab Rotation #2 4:30 pm 5:30 pm
Tuesday, July 17
Discussion of Prior-Day Lab 8:30 9:00 am
Overview of Laser and Detector Technologies (J . Luu) 9:00 10:30
amLaser theory, population inversion, types of lasers (diode,
fiber, solid-state, gas-phase, CW, Q-
switched, mode-locked), linear-mode PIN photodiodes and
avalanche photodiodes (APDs), Geiger-modeAPD, photon-counting
linear-mode APDs, photomultiplier tubes
Break 10:30 11:00 am
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Airborne 3D Ladar (D. Fried) 11:00 am 12:00 pmHaiti Disaster
Relief
Lunch 12:00 1:30 pm
Pre-Lab Discussion (K. Holman) 1:30 2:30 pmScanning technologies
(galvos, Risleys, acousto-optic deflectors)
Break 2:30 pm 2:45 pm
Lab Rotation #1 2:45 3:45 pm3D imaging with electro-optic-driven
pulsed source, scanning mirror, and APD
Break 3:45 pm 4:00 pm
Lab Rotation #2 4:00 pm 5:00 pm
Wednesday, July 18
Discussion of Prior-Day Lab 8:30 9:00 am
Coherent Ladar System Principles (J . Shapiro) 9:00 10:30
amMixing efficiency, back-propagated local oscillator, atmospheric
turbulence, preamplification, Doppler
Break 10:30 11:00 am
Ladar Waveforms (K. Holman) 11:00 am 12:00 pmRange / Doppler
waveforms, matched-filter processing, ambiguity functions
Lunch 12:00 1:30 pm
Pre-Lab Discussion (J . Luu) 1:30 2:30 pmRange-waveforms and
computing auto-correlation
Break 2:30 pm 2:45 pm
Lab Rotation #1 2:45 3:45 pmRanging with coherent ladar
waveforms
Break 3:45 pm 4:00 pm
Lab Rotation #2 4:00 pm 5:00 pm
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Thursday, July 19
Discussion of Prior-Day Lab 8:30 9:00 am
Laser Speckle (J . Shapiro) 9:00 10:30 am
Speckle noise statistics, impact on signal-to-noise ratio for
coherent and direct detection systems, 3Dspeckle imaging
Break 10:30 11:00 am
Single-Photon Coherent Sensing (J . Ashcom) 11:00 am 12:00
pmCoherent sensing with single-photon counting receiver
Lunch 12:00 1:30 pm
Pre-Lab Discussion (J . Luu) 1:30 2:30 pmRange and Doppler
processing with coherent ladar
Break 2:30 pm 2:45 pm
Lab Rotation #1 2:45 3:45 pmRange and Doppler imaging of
rotating target
Break 3:45 pm 4:00 pm
Lab Rotation #2 4:00 pm 5:00 pm
Friday, July 20
Discussion of Prior-Day Lab 8:30 9:00 am
Special Topics and Applications (J . Luu) 9:00 10:30
amSpectroscopy, wind lidar
Break 10:30 11:00 am
Special Topic: Laser Vibrometry (L. J iang) 11:00 am 12:00
pmSystem-level design considerations for building laser
vibrometer
Lunch 12:00 1:30 pm
Polytech Demo / Lab Exercise 1:30 2:30 pm
Break 2:30 pm 2:45 pm
Practical Laser Radar Design Considerations& Wrap-up (K.
Holman) 2:45 4:00 pm
Fiber optics, optical coatings, front-end optical system design,
amplifier noise considerations
