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Proceedings Paper

Interferometric modulators for an adaptive nulling system
Author(s): Leonard M. Johnson; Harold V. Roussell; Gary E. Betts
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Paper Abstract

Optical intensity modulators with closely matched frequency responses are required for the realization of an optical adaptive nulling system for microwave/millimeter-wave multi-element antenna systems. Traveling-wave interferometric modulators fabricated in lithium niobate have been demonstrated that track to within 0.03 dB and 0.22 deg in amplitude and phase, respectively, over the 5- to 7-GHz frequency band.

Paper Details

Date Published: 26 February 1993
PDF: 5 pages
Proc. SPIE 1790, Analog Photonics, (26 February 1993); doi: 10.1117/12.141719
Show Author Affiliations
Leonard M. Johnson, Lincoln Lab./MIT (United States)
Harold V. Roussell, Lincoln Lab./MIT (United States)
Gary E. Betts, Lincoln Lab./MIT (United States)

Published in SPIE Proceedings Vol. 1790:
Analog Photonics
Andrew R. Pirich; Paul Sierak, Editor(s)

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