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SPINS : spectral phase interrogation using nonlinear spectra

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/10276

SPINS : spectral phase interrogation using nonlinear spectra

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Title: SPINS : spectral phase interrogation using nonlinear spectra
Author: Jilek, Brook
Subject: phase
ultrashort
retrieval
laser
algorithm
pulse
measurement
nonlinear
spectra
spectrum
LC Subject(s): Laser pulses, Ultrashort--Measurement.
Nonlinear optical spectroscopy.
Spectrum analysis.
Abstract: A novel technique for ultrafast pulse measurement is presented. This technique involves only the measurement of the fundamental, second harmonic, and third harmonic (or other third-order nonlinear) spectra of an ultrafast pulse. An algorithm is employed to generate trial SHG and THG spectra based on the measured fundmental spectrum and a trial phase. The phase is adjusted iteratively until the best match between the trial and measured SHG and THG spectra is obtained. The technique is experimentally simple, not subject to delicate temporal alignments, and potentially insensitive to wavefront quality.
Date: 2010-02-09
Description: Thesis gives an overview of the history of ultrashort pulse measurement techniques. Describes the SPINS retrieval algorithm. Studies the uniqueness of the solution. Studies the resiliency of the technique to experimental noise. Compares sensitivity of technique to Frequency-Resolved Optical Gating (FROG). Describes experimental validation of algorithm.
URI: http://hdl.handle.net/1928/10276


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