Abstract

A physical-optics calculation was performed to study the effects of a microlens array placed over a focal-plane detector array. In certain conditions the light is further concentrated to a spot size that is smaller than the point-spread function of the receiver optics. It is also shown that the microlens refocuses a sinc-squared point-spread function to a shape that is more uniform as well as narrower. Numerical examples were made for the far IR.

© 1994 Optical Society of America

Concentrators for focal-plane arrays

H. J. Caulfield, N. Kukhtarev, and T. Kukhtareva
Appl. Opt. 33(32) 7603-7605 (1994)

Pixel scaling in infrared focal plane arrays

Peter B. Catrysse and Torbjorn Skauli
Appl. Opt. 52(7) C72-C77 (2013)

Three-dimensional analysis by a microlens-array confocal arrangement

Hans J. Tiziani and Hans-Martin Uhde
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Pixel-sized infrared filters for a multispectral focal plane array

Antoine Bierret, Grégory Vincent, Julien Jaeck, Jean-Luc Pelouard, Fabrice Pardo, Florence De La Barrière, and Riad Haïdar
Appl. Opt. 57(3) 391-395 (2018)

Simulation and experimental characterization of the point spread function, pixel saturation, and blooming of a mercury cadmium telluride focal plane array

Grant Soehnel and Anthony West Rynes
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