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Measurement of Linear Coefficient of Thermal Expansion and Temperature-Dependent Refractive Index Using Interferometric SystemA system combining an interferometer with an environmental chamber for measuring both coefficient of thermal expansion (CTE) and temperature-dependent refractive index (dn/dT) simultaneously is presented. The operation and measurement results of this instrument are discussed.
Document ID
20170006479
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Corsetti, James A. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Green, William E. (Rochester Univ. NY, United States)
Ellis, Jonathan D. (Rochester Univ. NY, United States)
Schmidt, Greg R. (Rochester Univ. NY, United States)
Moore, Duncan T. (Rochester Univ. NY, United States)
Date Acquired
July 11, 2017
Publication Date
July 9, 2017
Subject Category
Optics
Report/Patent Number
GSFC-E-DAA-TN44321
Meeting Information
Meeting: OSA Optical Design and Fabrication Congress
Location: Denver, CO
Country: United States
Start Date: July 9, 2017
End Date: July 13, 2017
Sponsors: Optical Society of America
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
metrology
telescopes
thermal effects
interferometry

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