A liquid adaptive mirror

Details A liquid adaptive mirror A liquid adaptive mirror

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...283l..17r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 283, no. 2, p. L17-L19

Physics

Optics

7

Adaptive Optics, Electric Current, Imaging Techniques, Liquid Metals, Magnetic Fields, Materials Tests, Metal Films, Mirrors, Thin Films, Actuators, Approximation, Electrical Resistivity, Michelson Interferometers, Reflectance, Technology Transfer

Scientific paper

A new type of adaptive mirror is briefly presented. A thin film of electrically conductive, reflective liquid (like mercury) is affected by a stabilized current, while a variable magnetic field is produced at its bottom surface by a number of adjustable current coils (actuators). A demonstration of the technique has been experimentally carried out using a Michelson interferometer. The first results are here briefly described.

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