Accurate measurement of weak absorption in pyroelectric optical materials

Jacques Mangin; Pierre Strimer; T. Salva; C. Poignon

doi:10.1117/12.246745

19 August 1996 Accurate measurement of weak absorption in pyroelectric optical materials

Jacques Mangin, Pierre Strimer, T. Salva, C. Poignon

Proceedings Volume 2775, Specification, Production, and Testing of Optical Components and Systems; (1996) https://doi.org/10.1117/12.246745
Event: Optical Instrumentation and Systems Design, 1996, Glasgow, United Kingdom

Abstract

The pyroelectric effect exhibited by two nonlinear optical materials is used to measure the residual absorption in their transparency window. The polarization behavior of potassium titanyl phosphate KTiOPO₄ and thallium arsenic selenide Tl₃AlSe₃ are first described to determine the value of their pyroelectric coefficient. The pyrospectroscopic technique is then applied for absorption coefficient measurements at discrete laser wavelengths with a relative uncertainty estimated around 10 percent.

Citation Download Citation

Jacques Mangin, Pierre Strimer, T. Salva, and C. Poignon "Accurate measurement of weak absorption in pyroelectric optical materials", Proc. SPIE 2775, Specification, Production, and Testing of Optical Components and Systems, (19 August 1996); https://doi.org/10.1117/12.246745

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