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A Practical Method for Investigating and Measuring the Birefringence of Optical Glass
[Technical Report, Technical Report]
REDSTONE SCIENTIFIC INFORMATION CENTER REDSTONE ARSENAL AL
Pagination or Media Count:
A practical method is presented for studying the annealing of optical glass. It is possible 1. to survey at one glance the general distribution of the birefringence 2. to determine quickly in a few seconds the value of the bi-refringence in arbitrarily selected points 3. to trace, if this be deemed useful, the contour lines of the birefringence on the glass under examination. A suitable instrumental arrangement is described.
[A, Approved For Public Release]