Methods for compensating thermal deformations of mirrors in unstable resonators with the help of controllable optical elements.

Details Methods for compensating thermal deformations of mirrors in unstable resonators with the help of controllable optical elements. Methods for compensating thermal deformations of mirrors in unstable resonators with the help of controllable optical elements.

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989atopt...2..302b&link_type=abstract

Atmos. Opt., Vol. 2, No. 4, p. 302 - 306

Physics

Optics

Active Optics

Scientific paper

The problem of optimizing the optical design of a telescopic resonator when the mirrors are subject to thermal deformations is studied. It is proposed that a mirror with a precomputed aspherical surface be inserted into the resonator in order to correct for the divergence of the output radiation. It is shown that relatively simple methods based on the geometric optics approximation can be effectively employed to calculate the correcting profile.

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