IR fiber radiometry for high-temperature measurements during laser-tissue-interaction

Wolfgang Waesche; Gerhard J. Mueller; Juergen Helfmann; Matthias Herrig; Andre Roggan; Johannes Tschepe; Edward Belotserkovsky; Abraham Katzir

doi:10.1117/12.180759

28 July 1994 IR fiber radiometry for high-temperature measurements during laser tissue interaction

Wolfgang Waesche, Gerhard J. Mueller, Juergen Helfmann, Matthias Herrig, Andre Roggan, Johannes Tschepe, Edward Belotserkovsky, Abraham Katzir

Author Affiliations +

Proceedings Volume 2131, Biomedical Fiber Optic Instrumentation; (1994) https://doi.org/10.1117/12.180759
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

The temperature of the reaction zone is one of the main parameters for the characterization of laser-tissue-interaction. IR-radiometry, a noncontact temperature measurement method, is used to determine the temperature of the reaction zone. To be able to measure the inside of cavities, especially of hollow organs, we used IR-fibers to guide the temperature radiation to the complex receiver device. During the laser-tissue interaction the IR-radiation field of the reaction zone is focused on an IR-optical fiber made of AgCl_xBr_1-x. The temperature is measured for Nd:YAG laser application with different power densities and compared with standard thermographic equipment.

Citation Download Citation

Wolfgang Waesche, Gerhard J. Mueller, Juergen Helfmann, Matthias Herrig, Andre Roggan, Johannes Tschepe, Edward Belotserkovsky, and Abraham Katzir "IR fiber radiometry for high-temperature measurements during laser tissue interaction", Proc. SPIE 2131, Biomedical Fiber Optic Instrumentation, (28 July 1994); https://doi.org/10.1117/12.180759

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