This article is cited in 16 papers

Laser applications and other topics in quantum electronics

Solution of the phase problem for time-dependent optical signals by an interference system

V. A. Zubov, T. I. Kuznetsova


Abstract: A new method is proposed for an analysis of amplitude–phase characteristics of short laser radiation pulses. The method is based on determination of a pattern of the interference between the spectra of the investigated pulse and of a second pulse obtained from the original one by a frequency shift. An analysis of the intensity distribution in the spectral interference pattern can yield the phases of the spectral components, which–in combination with the conventional spectrum–provides complete information on the time dependence of the signal.

UDC: 621.373.826:535.41.07

PACS: 42.65.Re, 42.60.Jf, 07.60.Ly, 42.79.Bh

Received: 16.04.1991

 English version: Soviet Journal of Quantum Electronics, 1991, 21:11, 1285–1286

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