Method of determining the thermal deformations of astronomical mirrors

Details Method of determining the thermal deformations of astronomical mirrors Method of determining the thermal deformations of astronomical mirrors

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stin...8622457k&link_type=abstract

Method of determining the thermal deformations of astronomical mirrors Transl. into ENGLISH from Izvestiia (USSR), no. 186, 197

Astronomy and Astrophysics

Astronomy

Mirrors, Telescopes, Temperature Effects, Thermal Stresses, Bessel Functions, Laplace Equation, Temperature Distribution, Thermal Buckling

Scientific paper

Procedures are given for calculating thermal fields and associated thermal deformations in astronomical mirrors. A technique is described for thermal strain simulation when complex thermal fields develop in astronomical mirrors. Thermal strains in pyroceramic, quartz and pyrex mirrors can be effectively determined at temperatures ranging from -70 to 150 C by this technique.

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