Interferometric Hetero-Detector Phase Measurement |
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Authors: | Mazilu M. Phillips P.J. Miller A. |
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Affiliation: | (1) Ultrafast Photonics Collaboration, University of St. Andrews, School of Physics and Astronomy, St. Andrews, Fife, KY16 9SS, UK |
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Abstract: | We present a new method for the measurement of the phase of ultrashort optical pulses with high spectral resolution. This employs an interferometer with a monochromator in one arm. Two detectors operating in single photon and two-photon absorption regimes monitor the output from the interferometer. Comparison of the signals from the two detectors gives a measurement of the phase of the light pulse. The principles underpinning this technique are discussed and the experimental application to picosecond pulses is demonstrated. |
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Keywords: | chirp frequency resolved hetero-detector interferometric method linear and nonlinear detection phase measurement ultrashort pulses |
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