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Journal of Optical Technology

Journal of Optical Technology

| SIMULTANEOUS RUSSIAN-ENGLISH PUBLICATION

  • Vol. 75, Iss. 12 — Dec. 1, 2008
  • pp: 819–825

Study of the combined action of high-speed flows of finely dispersed particles, plasma, and short-wavelength radiation on optical materials accompanying thermal cycling under vacuum conditions

E. V. Kalashnikov and S. N. Rachkulik  »View Author Affiliations


Journal of Optical Technology, Vol. 75, Issue 12, pp. 819-825 (2008)
http://dx.doi.org/10.1364/JOT.75.000819


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Abstract

This paper presents the results of an experimental investigation of the degradation of a series-produced optical coating made from lead fluoride on a substrate made from IKS-25 chalcogenide glass after the combined action of high-speed fluxes of solid microparticles (carbon-containing microparticles of size 0.1-200μm, with a speed of 0.1-30km/sec and a flux density of up to 104cm−2sec−1), a relaxing plasma (with a concentration of atoms and ions of oxygen, carbon, hydrogen, nitrogen and their compounds of about 1014−1017cm−3, a flux density of up to 1023cm−2sec−1, and a flux speed up to 10km/sec), short-wavelength radiation (with an exposure of 0.1J/cm2 in the vacuum UV region of wavelengths 90-180nm and 1.2J/cm2 in the UV region with wavelengths 180-400nm) under vacuum conditions (with pumping to 10−7-10−5Torr) accompanying thermal cycling (in the temperature range −20to+160°C). An estimate is given of the possibility of using the described methods to physically model the action on optical materials of the main harmful factors in low near-earth orbits.

© 2008 Optical Society of America

Citation
E. V. Kalashnikov and S. N. Rachkulik, "Study of the combined action of high-speed flows of finely dispersed particles, plasma, and short-wavelength radiation on optical materials accompanying thermal cycling under vacuum conditions," J. Opt. Technol. 75, 819-825 (2008)
http://www.opticsinfobase.org/jot/abstract.cfm?URI=jot-75-12-819

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