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Ray tracing analysis of a two-dimensional rectangular optical cavity for enhancing detector efficiency

Abstract

High detector efficiency has broad appeal and includes such diverse fields as quantum optics and solar energy. An optical resonator can improve detector efficiency by employing multiple re-reflections to the detector. This short paper uses geometric ray tracing to examine—for a given entry port size—the probability that a photon will escape from an ideal perfectly reflective two-dimensional cavity.

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