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Optical Engineering

Measurement Of Very Low Optical Absorption Coefficients In Bulk Materials
Author(s): Marvin Hass
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Paper Abstract

The measurement of very low optical absorption coefficients in bulk materials is described with emphasis on adiabatic laser calorimetry with long rod samples. Bulk absorption coefficients lower than 10-5 cm-1 have been achieved in both crystals and glasses using this technique. At extremely low levels, both sensitivity and discrimination between surface and bulk sources of absorption is required. The technique described is perhaps the best way at the present time of studying such low level absorptions.

Paper Details

Date Published: 1 October 1978
PDF: 5 pages
Opt. Eng. 17(5) doi: 10.1117/12.7972272
Published in: Optical Engineering Volume 17, Issue 5
Show Author Affiliations
Marvin Hass, Naval Research Laboratory (United States)


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