Thermal effects due to interaction of infrared radiation with guiding films of flexible waveguides

Israel Gannot; M. Alaluf; Jacob Dror; Johannes Tschepe; Gerhard J. Mueller; Nathan I. Croitoru

doi:10.1117/12.188590

1 February 1995 Thermal effects due to interaction of infrared radiation with guiding films of flexible waveguides

Israel Gannot, M. Alaluf, Jacob Dror, Johannes Tschepe, Gerhard J. Mueller, Nathan I. Croitoru

Author Affiliations +

Optical Engineering, Vol. 34, Issue 2, (February 1995). https://doi.org/10.1117/12.188590

Abstract

The effect of external energy source on waveguide's transmitted blackbody radiation is examined. It is shown that the radiometric signal is increased because of external heat sources. This effect can be avoided by a proper external protecting layer. The transmitted laser energy is another cause of heating the waveguide's walls. To analyze these effects, the wall temperature was recorded by thermocouples and thermal camera. It is shown that the most-affected regions in the waveguide are the curved regions and the distal end. Gas cooling and external metal layers reduce this undesired heating of the walls.

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Israel Gannot, M. Alaluf, Jacob Dror, Johannes Tschepe, Gerhard J. Mueller, and Nathan I. Croitoru "Thermal effects due to interaction of infrared radiation with guiding films of flexible waveguides," Optical Engineering 34(2), (1 February 1995). https://doi.org/10.1117/12.188590

Published: 1 February 1995

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