Terahertz imaging and holography with a high-power free electron laser

In this paper we describe the terahertz imagers which characteristics are adequate for measurement of high power terahertz radiation. Three imaging techniques were employed on the Novosibirsk terahertz free electron laser (NFEL): near-infrared thermograph, thermosensitive visible light interferomete...

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Published in2005 Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics Vol. 2; pp. 337 - 338 vol. 2
Main Authors Cherkassky, V.S., Knyazev, B.A., Kozlov, S.V., Kubarev, V.V., Kulipanov, G.N., Matveenko, A.N., Popik, V.M., Root, D.N., Rudych, P.D., Shevchenko, O.A., Trifutina, A.V., Vinokurov, N.A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2005
Subjects
Free electron lasers
Holography
Instruments
Laser beams
Laser theory
Optical imaging
Optical interferometry
Phosphors
Submillimeter wave measurements
Temperature dependence
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Summary:In this paper we describe the terahertz imagers which characteristics are adequate for measurement of high power terahertz radiation. Three imaging techniques were employed on the Novosibirsk terahertz free electron laser (NFEL): near-infrared thermograph, thermosensitive visible light interferometer, and "a thermal image plate". All this methods are widely used in experiments with NFEL radiation. As examples, we present here the measurements of laser beam coherence and describe experiments on terahertz holography.
ISBN:9780780393486
0780393481
ISSN:2162-2027
DOI:10.1109/ICIMW.2005.1572550