Number | Name | Date | Kind |
---|---|---|---|
3572898 | Harlow | Mar 1971 | |
3644017 | Ploss | Feb 1972 |
Entry |
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"Induced Transmission in Absorbing Films Applied to Band Pass Filter Design", by Berning et al.; 47J Opt. Soc. of America, pp. 230-239, (Mar. 1957). |
"A Tunable Narrow-Band Optical Filter", by Billings, 37 Jour. Opt. Soc. of America, vol. 37, No. 10, (Oct. 1947), pp. 738-746. |