Real Time Measurement Of Index And Geometry Changes By Parallelism Interferometry

J. E . Ludman; C. Warde

doi:10.1117/12.934869

13 December 1983 Real Time Measurement Of Index And Geometry Changes By Parallelism Interferometry

J. E . Ludman, C. Warde

Proceedings Volume 0370, Holographic Data Nondestructive Testing; (1983) https://doi.org/10.1117/12.934869
Event: Holographic Data Nondestructive Testing, 1982, Dubrovnik, Croatia

Abstract

Real time measurement will be reported on the time variations of both the refractive index and geometry of transparent samples. The temperatures of the samples were varied while they were in a parallelism interferometer and the two independent sets of fringe patterns were monitored. One pattern gave the geometric variation, while the others gave the optical path profile. Resolution of quarter wave are readily realized.

Citation Download Citation

J. E . Ludman and C. Warde "Real Time Measurement Of Index And Geometry Changes By Parallelism Interferometry", Proc. SPIE 0370, Holographic Data Nondestructive Testing, (13 December 1983); https://doi.org/10.1117/12.934869

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