Fourier transform techniques for measuring absorption of transient species in optical limiting materials

Yanong Han; Wendi Sonnenberg; Kurt W. Short; Lee H. Spangler

doi:10.1117/12.363867

4 October 1999 Fourier transform techniques for measuring absorption of transient species in optical limiting materials

Yanong Han, Wendi Sonnenberg, Kurt W. Short, Lee H. Spangler

Proceedings Volume 3798, Power-Limiting Materials and Devices; (1999) https://doi.org/10.1117/12.363867
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

We have developed methods of measuring absorption of transient species utilizing stepped-scan Fourier transform interferometry that allows a combination of broad spectral coverage (10,000 - 15,000 cm^-1 per spectrum), good spectral resolution, and up to ns temporal resolution with possibilities of extension to the ps domain. Nanosecond, psec or fsec laser systems, tunable from UV to IR can be used as the pump source to prepare the transient species. The absorption of that species is measured with broadband, incoherent light and can be simultaneously time and frequency resolved.

Citation Download Citation

Yanong Han, Wendi Sonnenberg, Kurt W. Short, and Lee H. Spangler "Fourier transform techniques for measuring absorption of transient species in optical limiting materials", Proc. SPIE 3798, Power-Limiting Materials and Devices, (4 October 1999); https://doi.org/10.1117/12.363867

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