Abstract

The causes and implications of thermally induced optical effects in solid-state laser materials are discussed. A convenient interferometric method is described for examining in a typical helical and linear laser configuration the transient optical phenomena produced by thermal expansion, change of refractive index with temperature and strain. The results obtained with a neodymium laser glass rod are presented photographically.

© 1964 Optical Society of America

Dynamic Measurements of Phase Shifts in Laser Amplifiers

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