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Proceedings Paper

Conversion Efficiency, Spectral And Mode Purities Of A Single Sideband Electro-Optic Modulator
Author(s): R. S. Eng; J. K. Parker; J. L. Bunis; J. G. Grimm; N. W. Harris; D. M. Wong
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Paper Abstract

The measured single sideband conversion efficiency of a 10.6 μm bulk-type CdTe electro-optic modulator over the 14-18 GHz modulation frequency range is shown to be in close agreement with the coupled-mode and segmented modulator theories. The paper addresses the effects of the rotational orientations of segmented crystals and indirectly proves that a broadband multisection modulator is feasible; it further shows that a modulator with crystals in rotatable segmented circular waveguides is spectrally widely tunable. The effects of mechanical pressure and off-axis beam propagation on conver-sion, mode purity, and beam quality are also discussed.

Paper Details

Date Published: 18 February 1989
PDF: 16 pages
Proc. SPIE 0999, Laser Radar III, (18 February 1989); doi: 10.1117/12.960223
Show Author Affiliations
R. S. Eng, Massachusetts Institute of Technology (United States)
J. K. Parker, Massachusetts Institute of Technology (United States)
J. L. Bunis, Massachusetts Institute of Technology (United States)
J. G. Grimm, Massachusetts Institute of Technology (United States)
N. W. Harris, Massachusetts Institute of Technology (United States)
D. M. Wong, Ford Aerospace Corp (United States)


Published in SPIE Proceedings Vol. 0999:
Laser Radar III
Richard J. Becherer, Editor(s)

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