Viewports for vacuum applications: correlation between viewport thickness and stress induced birefringence

André Becker; J. Weber; M. Flämmich; U. Bergner

doi:10.1117/12.2039475

8 March 2014 Viewports for vacuum applications: correlation between viewport thickness and stress induced birefringence

André Becker, J. Weber, M. Flämmich, U. Bergner

Proceedings Volume 8992, Photonic Instrumentation Engineering; 89920L (2014) https://doi.org/10.1117/12.2039475
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

The paper gives an introduction into vacuum viewports and its stress introduced birefringence effects. The effect of the stress induced birefringence is measured for viewports of different thicknesses under vacuum conditions. Line scans across the viewports are done to investigate heterogeneity effects also. The variation of thickness is realized with elastomer sealed viewports. In order to compare those results measurements are done also with thermally sealed viewports as well as adhesively sealed viewports.

Citation Download Citation

André Becker, J. Weber, M. Flämmich, and U. Bergner "Viewports for vacuum applications: correlation between viewport thickness and stress induced birefringence ", Proc. SPIE 8992, Photonic Instrumentation Engineering, 89920L (8 March 2014); https://doi.org/10.1117/12.2039475

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