Abstract

Slumping of optical surfaces takes place while antireflection substrates are being coated at 205°C. Greater skimping is experienced at higher temperatures. Optical glasses held in kinetic-designed holders exhibit variable memories of reslumping. Glass elements held in nonkinetic and kinetic holders are compared at 205°C.

© 1966 Optical Society of America

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References

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  1. W. Emerson, J. Res. Natl. Bur. Std. 40, 247 (1952).
  2. I. Holland, E. W. von Dome, J. Opt. Soc. Am. 46, 773 (1956).
    [CrossRef]

1956 (1)

1952 (1)

W. Emerson, J. Res. Natl. Bur. Std. 40, 247 (1952).

Emerson, W.

W. Emerson, J. Res. Natl. Bur. Std. 40, 247 (1952).

Holland, I.

von Dome, E. W.

J. Opt. Soc. Am. (1)

J. Res. Natl. Bur. Std. (1)

W. Emerson, J. Res. Natl. Bur. Std. 40, 247 (1952).

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Figures (3)

Fig. 1
Fig. 1

Holders.

Fig. 2
Fig. 2

Optical surfaces figured on a 50-mm diam double-concave lens. Radii of 101.4 mm, before MgF2 coating.

Fig. 3
Fig. 3

Variable memory of DBC2 glass after coating both sides in a kinetic-designed holder. Coating temperature 350°F.

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