Microconcentrators for focal plane arrays

Michael W. Farn

doi:10.1117/12.138872

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13 January 1993 Microconcentrators for focal plane arrays

Michael W. Farn

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Proceedings Volume 1751, Miniature and Micro-Optics: Fabrication and System Applications II; (1993) https://doi.org/10.1117/12.138872
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Micro-optics can be used to significantly increase the effective fill factor of focal planes. This, in turn, can enhance the overall performance of an imaging system in a number of ways. In this paper, we study the efficiency of different types of micro-concentrators, considering both the imaging and non-imaging varieties. The effective fill factor of a focal plane enhanced by a micro-concentrator is shown to be a function of three parameters: the type of micro- concentrator, the difficulty of the required concentration, and the severity of diffraction effects. For typical focal plane applications, both imaging and non-imaging concentrators are capable of increasing the effective fill factor to almost 100%.

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Michael W. Farn "Microconcentrators for focal plane arrays", Proc. SPIE 1751, Miniature and Micro-Optics: Fabrication and System Applications II, (13 January 1993); https://doi.org/10.1117/12.138872

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