Fast Thermo-reflectance Bolometry

R.M. de Ridder (Editor), S. Mitko, Yu.B. Udalov, G. Altena (Editor), R. Dekker (Editor), P.J.M. Peters, Klaus J. Boller

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We present a new approach to bolometry based on the measurement of the optical reflectivity change of a thin metal layer deposited on a transparent substrate. The reflectivity change of the metal layer results from the temperature rise due to absorption of energetic particles or X-rays. With this spectrally broadband and fast technique measurements of absolute energy fluxes are possible. Contact-less sensing makes this method well suited for measurements in an environment with a strong electro-magnetic noise. The technique was applied to characterize a newly developed method for the generation of electron beams in dense gases. A very high efficiency for the e-beam generation, approaching 100%, was measured for the first time.
Original languageUndefined
Publication statusPublished - 2003
Event8th Annual Symposium IEEE/LEOS Benelux Chapter 2003 - University of Twente, Enschede, Netherlands
Duration: 20 Nov 200321 Nov 2003
Conference number: 8


Conference8th Annual Symposium IEEE/LEOS Benelux Chapter 2003


  • IR-58168

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