Accession Number : AD0604330

Title :   A PRACTICAL METHOD FOR INVESTIGATING AND MEASURING THE BIREFRINGENCE OF OPTICAL GLASS,

Corporate Author : REDSTONE SCIENTIFIC INFORMATION CENTER REDSTONE ARSENAL ALA

Personal Author(s) : Tardy,H. L.

Report Date : 28 JUL 1964

Pagination or Media Count : 15

Abstract : 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.

Descriptors :   (*OPTICAL GLASS, OPTICAL PROPERTIES), HEAT TREATMENT, REFRACTIVE INDEX, TEST METHODS, LIGHT, TEST EQUIPMENT, OPTICAL EQUIPMENT, MEASUREMENT

Distribution Statement : APPROVED FOR PUBLIC RELEASE