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Center Independent Research & Development: GSFC IRAD

Determination of Absolute Plate Spacing for the Fabry-Perot Subassembly of the Thermosphere Imager for Global Observations

Completed Technology Project

Project Introduction

We will rad test a commercial Capacitive to Digital Converter for potential use in geostationary orbit, develop an algorithm to determine absolute spacing using a reference light source, and demonstrate the use of a Die-Level Optical Interferometer for optical measurement of the etalon spacing. Accurate determination of spacing is a challenge for any imager utilizing such a Fabry-Perot system.

Task 1: rad test AD7746 component for failure dosage for use in GEO Task 2: Algorithm for determining absolute plate spacing of the TIGO Fabry-Perot plates, incorporating reference light into TIGO design Task 3: Demonstrate DLOI technology under development, feasible design for future SBIR.

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This is a historic project that was completed before the creation of TechPort on October 1, 2012. Available data has been included. This record may contain less data than currently active projects.