Design and analysis of a micro-optical position readout for acceleration sensing

Richard N. Shagam; Fred M. Dickey; Scott C. Holswade

doi:10.1117/12.361275

2 September 1999 Design and analysis of a micro-optical position readout for acceleration sensing

Richard N. Shagam, Fred M. Dickey, Scott C. Holswade

Author Affiliations +

Proceedings Volume 3878, Miniaturized Systems with Micro-Optics and MEMS; (1999) https://doi.org/10.1117/12.361275
Event: Symposium on Micromachining and Microfabrication, 1999, Santa Clara, CA, United States

Abstract

Sandia National Laboratories is developing a MEMS-based trajectory safety subsystem, which allows enablement of critical functions only after a particular acceleration environment has been achieved. The device, known as an Environmental Sensing Device (ESD), consists of a suspended moving shuttle that translates a given distance when exposed to an appropriate acceleration environment. The shuttle contains an embedded code, consisting of grating structures, hat is illuminated and optically read using a semiconductor laser and detector integrated together in a GaAs-based Photonic Integrated Circuit (PIC) flip-chip bonded to the assembly. This paper will describe the optical design and performance analysis of the embedded code features in the shuttle.

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Richard N. Shagam, Fred M. Dickey, and Scott C. Holswade "Design and analysis of a micro-optical position readout for acceleration sensing", Proc. SPIE 3878, Miniaturized Systems with Micro-Optics and MEMS, (2 September 1999); https://doi.org/10.1117/12.361275

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