Measurement of the thermal diffusivity of nonlinear anisotropic crystals using optical interferometry

Measurement of the thermal diffusivity of nonlinear anisotropic crystals using optical interferometry

We describe a simple common-path self-referencing interferometric method requiring no auxiliary optical elements which accurately and directly measures the thermal diffusivity of anisotropic crystals in nonsteadystate conditions. We determine the thermal diffusivity of a lithium niobate crystal as a...

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Veröffentlicht in:Applied Optics 1987-12, Vol.26 (24), p.5266-5271
Hauptverfasser: MORGAN, R. A, KANG, M. K. I, HSU, C. C, KOLIOPOULOS, C. L, NASSER PEYGHAMBARIAN
Format: Artikel
Sprache:eng
Schlagworte:
Exact sciences and technology
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Interferometers
Optical instruments, equipment and techniques
Physics
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Zusammenfassung:We describe a simple common-path self-referencing interferometric method requiring no auxiliary optical elements which accurately and directly measures the thermal diffusivity of anisotropic crystals in nonsteadystate conditions. We determine the thermal diffusivity of a lithium niobate crystal as a function of temperature ranging from room temperature up to 500 degrees C.
ISSN:0003-6935
1559-128X
1539-4522
DOI:10.1364/ao.26.005266