Abstract
THE possibility of evaporating in vacuum an optically active film of an otherwise isotropic material, by oblique deposition on to a flat glass substrate revolving about its normal as an axis, is confirmed. The helically deposited fluorite films ranged up to about 18µ thick, and turned the plane of polarization of a normally incident beam by as much as 2.25° at λ = 0.546µ.
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References
Evans, J. W., J. Opt. Soc. Amer., 48, 142 (1958).
Reimer, L., Optik, 14, 83 (1957).
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YOUNG, N., KOWAL, J. Optically Active Fluorite Films. Nature 183, 104–105 (1959). https://doi.org/10.1038/183104a0
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DOI: https://doi.org/10.1038/183104a0
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