Birefringence measurements in single crystal sapphire and calcite shocked along the a axis

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Title: Birefringence measurements in single crystal sapphire and calcite shocked along the a axis
Authors: Tear, GR
Chapman, DJ
Eakins, D
Proud, W
Item Type: Conference Paper
Abstract: Calcite and sapphire were shock compressed along the ⟨101⎯⎯0⟩ direction (a axis) in a plate impact configuration. Polarimetery and Photonic Doppler Velocimetery (PDV) were used to measure the change in birefringence with particle velocity in the shock direction. Results for sapphire agree well with linear photoelastic theory and current literature showing a linear relationship between birefringence and particle velocity up to 310 m s−1. A maximum change in birefringence of 5% was observed. Calcite however showed anomolous behaviour with no detectable change in birefringence (less than 0.1%) over the range of particle velocities studied (up to 75 m s−1).
Issue Date: 13-Jan-2017
Date of Acceptance: 2-Apr-2015
ISSN: 1551-7616
Publisher: AIP Publishing
Journal / Book Title: AIP Conference Proceedings
Volume: 1793
Issue: 1
Copyright Statement: © 2017 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in AIP Conference Proceedings 1793 , 060005 (2017); doi: 10.1063/1.4971561 View online:
Sponsor/Funder: Imperial College Trust
Funder's Grant Number: N/A
Conference Name: Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter
Keywords: Science & Technology
Physical Sciences
Physics, Condensed Matter
Publication Status: Published
Start Date: 2015-06-14
Finish Date: 2015-06-19
Open Access location:
Online Publication Date: 2017-04-02
Appears in Collections:Physics
Plasma Physics

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