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Inhibition of Condensation by Intense Electromagnetic Fields

Abstract

WE recently described1 an optical etching technique for producing small optical gratings in which a metallic film is used as a Q-switch for a ruby laser system. We have been able to produce line spacings as small as 180 nm using frequency doubled ruby laser radiation in the optical arrangement of Fig. 1; this corresponds to band 13 on Nobert's finest ruled test plate2. With further doubling of the laser light, spacings of order 90 nm should be obtainable.

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References

  1. Little, V. I., Rowley, D. M., and Wiltsher, R., Nature, 228, 49 (1970).

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  2. Turner, G. L'E., Bull. I.P.P.S., 338 (1967).

  3. Ready, J. F., Appl. Phys. Lett., 3.1, 11 (1963).

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LITTLE, V., KEY, P., WILTSHER, R. et al. Inhibition of Condensation by Intense Electromagnetic Fields. Nature Physical Science 232, 165–166 (1971). https://doi.org/10.1038/physci232165b0

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