ECE-616: Fall 2011
Professor Andrew Weiner
Electrical and Computer Engineering
Purdue University, West Lafayette, IN USA
10/06/11
Lundstrom ECE-656 F11 1

Frequency-Resolved Optical Gating (FROG)
From slides accompanying Frequency Resolved Optical Gating,
The Measurement of Ultrashort Laser Pulses , R. Trebino, Kluwer (2002)
“Polarization-Gate” Geometry
Trebino, et al., Rev. Sci. Instr., 68, 3277 (1997). Kane and Trebino, Opt. Lett., 18, 823 (1993).

FROG Traces for More Complex Pulses
Polarization Gating (PG) FROG
Time
From slides accompanying
Frequency Resolved Optical Gating, The Measurement of Ultrashort Laser Pulses ,
R. Trebino, Kluwer (2002)
See also Rick Trebino’s web site: http://frog.gatech.edu/lectures/index.html

Time
From slides accompanying
Frequency Resolved Optical Gating, The Measurement of Ultrashort Laser Pulses ,
R. Trebino, Kluwer (2002)

FROG traces of the same pulse for different geometries
From slides accompanying
Frequency Resolved Optical Gating, The Measurement of Ultrashort Laser Pulses ,
R. Trebino, Kluwer (2002)

SHG FROG Measurements of a 4.5-fs Pulse!
Baltuska,
Pshenichnikov, and Weirsma,
J. Quant. Electron.,
35, 459 (1999).
From slides accompanying
Frequency Resolved Optical
Gating, The Measurement of
Ultrashort Laser Pulses ,
R. Trebino, Kluwer (2002)

reproduced from Ultrafast Optics , A.M. Weiner, © John Wiley & Sons, 2009, Fig. 3.22.
– adapted from Trebino and Kane J. Opt. Soc. Am. A 10 , 1101 (1993).