Mylar as an optical window

Details Mylar as an optical window Mylar as an optical window

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102.1086t&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, Sept. 1990, p. 1086-1091. Research supported by th

Astronomy and Astrophysics

Astronomy

5

Mylar (Trademark), Optical Properties, Telescopes, Thin Films, Damage, Temperature Distribution, Tensile Strength, Thermodynamic Equilibrium, Turbulence Effects, Windows (Apertures)

Scientific paper

Optical tests have been made to determine whether Mylar film has high enough optical quality to be used as a window for a telescope dome or as the entrance window for a closed-tube telescope. The results are encouraging. The thinnest Mylar film available from DuPont (thickness 1.5 microns) has reasonably high optical quality and, if properly mounted, sufficient tensile strength to resist destruction by gusts of wind. An attempt to use 1.5-micron Mylar to reduce dome-induced turbulence is described.

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