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

Калашников Е.В., Рачкулик С.Н. Исследование совместного воздействия высокоскоростных потоков мелкодисперсных частиц, плазмы и коротковолнового излучения на оптические материалы при термоциклировании в вакуумных условиях // Оптический журнал. 2008. Т. 75. № 12. С. 73–80.

Kalashnikov E.V., Rachkulik S.N. 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 [in Russian] // Opticheskii Zhurnal. 2008. V. 75. № 12. P. 73–80.

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," Journal of Optical Technology. 75 (12), 819-825 (2008). https://doi.org/10.1364/JOT.75.000819

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 10¹⁴-10¹⁷сm-³, a flux density of up to 10²³сm^-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.