NASA Technical Reports Server (NTRS) 20070005812: Applications of Self-Powered Modulating Retroreflectors

2.9 MB·English

by  NASA Technical Reports Server (NTRS)

Applications of Self-Powered Modulating Retroreflectors
Kue Chun, Noulie Theofylaktos
Abstract
NASA Glenn Research Center, in partnership with the U.S. Naval Research Laboratory, has
developed self-powered modulating retroreflectors (SMRR) for energy efficient, wireless
communications applications. A modulating retroreflector (MRR) consists of a multiple quantum
well (MQW) optical detector mounted in front of a retroreflector. The SMRR is integrated the MRR
with monolithically integrated module (MIM) photovoltaic (PV) receivers to generate power from
interrogating laser-light. SMRRs will provide self power capability that would eliminate batteries or
other power sources for MRR drive electronics and sensors. The device can be applied to optical
communications, wireless sensor and optical 1D tags without a battery. Potential applications and
preliminary tests based on a lunar surface communications and navigation simulation will be
presented.

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