Optical characterization of window materials for aerospace applications
Author(s) -
Ken K. Tedjojuwono,
Natalie Clark,
William M. Humphreys
Publication year - 2013
Publication title -
proceedings of spie, the international society for optical engineering/proceedings of spie
Language(s) - English
Resource type - Conference proceedings
SCImago Journal Rank - 0.192
H-Index - 176
eISSN - 1996-756X
pISSN - 0277-786X
DOI - 10.1117/12.2029469
Subject(s) - aerospace , metrology , characterization (materials science) , materials science , birefringence , interferometry , window (computing) , optics , transmittance , wavefront , computer science , aerospace engineering , engineering , optoelectronics , nanotechnology , physics , operating system
An optical metrology laboratory has been developed to characterize the optical properties of optical window materials to be used for aerospace applications. Several optical measurement systems have been selected and developed to measure spectral transmittance, haze, clarity, birefringence, striae, wavefront quality, and wedge. In addition to silica based glasses, several optical lightweight polymer materials and transparent ceramics have been investigated in the laboratory. The measurement systems and selected empirical results for non-silica materials are described. These measurements will be used to form the basis of acceptance criteria for selection of window materials for future aerospace vehicle and habitat designs.
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