Abstract

Methods for preparing laminar phase diffraction gratings of up to 400 lines per in. are described. The grating is copied photomechanically from a master amplitude grating and the phase-reversing layer applied by vacuum evaporation. Silica is used for transmission and chromium for reflection gratings, the resultant optical elements being extremely robust and of a high degree of uniformity.

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References

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  1. J. Dyson, Proc. Roy. Soc. (London) A248, 93 (1958).
  2. R. W. Wood, Phil. Mag. 45, 511 (1898).
  3. G. Hass, J. Am. Ceram. Soc. 33, 353 (1950).
  4. C. Weaver and P. Benjamin, Nature 182, 1149 (1958).

Benjamin, P.

C. Weaver and P. Benjamin, Nature 182, 1149 (1958).

Dyson, J.

J. Dyson, Proc. Roy. Soc. (London) A248, 93 (1958).

Hass, G.

G. Hass, J. Am. Ceram. Soc. 33, 353 (1950).

Weaver, C.

C. Weaver and P. Benjamin, Nature 182, 1149 (1958).

Wood, R. W.

R. W. Wood, Phil. Mag. 45, 511 (1898).

Other

J. Dyson, Proc. Roy. Soc. (London) A248, 93 (1958).

R. W. Wood, Phil. Mag. 45, 511 (1898).

G. Hass, J. Am. Ceram. Soc. 33, 353 (1950).

C. Weaver and P. Benjamin, Nature 182, 1149 (1958).

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