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Optical Engineering

Continuously variable pulse true-time delay system incorporating an acousto-optic Bragg cell and an electro-optic modulator
Author(s): Pal Maak; Zoltan Gorocs; Istvan Frigyes; Laszlo Jakab; Péter I. Richter
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Paper Abstract

Optically realized continuously variable true-time delay of microwave pulses is demonstrated in a heterodyne system involving an acousto-optic deflector and a specially designed electro-optic modulator. The system realizes the time delay by frequency dependent phase shifting of the spectral components of the signal (FDPC technique). A new feature of the system is the real continuous variation of the time shift achieved with the continuous frequency dependent phase shift, performed by a specially designed electro-optic modulator. Continuously variable time delay values between ±200 ns are measured.

Paper Details

Date Published: 1 May 2004
PDF: 6 pages
Opt. Eng. 43(5) doi: 10.1117/1.1690277
Published in: Optical Engineering Volume 43, Issue 5
Show Author Affiliations
Pal Maak, Budapest Univ. of Technology and Economics (Hungary)
Zoltan Gorocs, Budapest Univ. of Technology and Economics (Hungary)
Istvan Frigyes, Budapest Univ. of Technology and Economics (Hungary)
Laszlo Jakab, Budapest Univ. of Technology and Economics (Hungary)
Péter I. Richter, Budapest Univ. of Technology and Economics (Hungary)


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