Imaging apparatus for transverse electrode electro-optic tunable

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350374, G02F 103

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active

044948271

ABSTRACT:
An imaging apparatus which permits the use of a transverse electrode electro-optic tunable filter (TEOTF), despite its obscured aperture, to produce a high quality image. The imaging apparatus includes a suitable conventional anamorphic input optical system in combination with a stacked plurality of TEOTFs in which the platelet of each TEOTF is made of an electro-optic material of a known index of refraction (such as CdS of an index of .about.2.4), and is clad between its surface and its electrodes with a material having a lower index of refraction than the platelet material (such as SiO.sub.2 of an index of .about.1.5).

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D. A. Pinnow, R. L. Abrams, J. F. Lotspeich, D. M. Henderson, T. K. Plant, R. R. Stephens, and C. M. Walker, "An Electro-Optic Tunable Filter", Applied Physics Letters, Mar. 15, 1979, pp. 391-393.

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