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Center Independent Research & Development: GSFC IRAD

Single Crystal Silicon Mirrors for Spaceflight

Completed Technology Project

Project Introduction

Single Crystal Silicon Mirrors for Spaceflight

Single crystal silicon (SCSi) is both soft and brittle. This makes it difficult to machine. The primary obstacle for SCSi being accepted as a standard mirror material is well-developed optical manufacturing techniques. The objective is to improve the opto-mechanical design and fabrication of SCSi mirrors for spaceflight.

Develop a well understood process for manufacturing visible quality SCSi mirrors. Areas of research include stress relief, figure, finish, and light weighting techniques.

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