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Proceedings Paper

Infrared simulation of effusion molecular beams
Author(s): Antoni Adamczyk; Leszek Michalak; Elzbieta Marcinkowska
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Paper Abstract

The authors see an analogy between a molecular beam and light beam13. In the case of optical modelling of an effusion molecular beam, in a simulation system the light from the source was introduced via a diffusion ground glass plate into the "effusion" channel. The inside of the chanel was lined with the corrugated aluminium foil of a high reflection coefficient and the light was reflected from the wall in chaotic directions, just like molecules from the wall of the actual channel (Fig. 7). The intensity of the light beam distribution was measured with a photodetector. This means that information about high vacuum processes can be received from investigations performed under normal pressure.

Paper Details

Date Published: 5 August 1994
PDF: 3 pages
Proc. SPIE 2321, Second International Conference on Optoelectronic Science and Engineering '94, (5 August 1994); doi: 10.1117/12.182010
Show Author Affiliations
Antoni Adamczyk, Maria Curie-Sklodowska Univ. (Poland)
Leszek Michalak, Maria Curie-Sklodowska Univ. (Poland)
Elzbieta Marcinkowska, Maria Curie-Sklodowska Univ. (Poland)

Published in SPIE Proceedings Vol. 2321:
Second International Conference on Optoelectronic Science and Engineering '94
Wang Da-Heng; Anna Consortini; James B. Breckinridge, Editor(s)

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