Patent
1982-09-30
1985-03-05
Arnold, Bruce Y.
35016217, G02B 518
Patent
active
045027560
ABSTRACT:
A bandpass filter is comprised by a plurality of reflection gratings operating in a Wood's anomaly region and arranged in serial relationship. Specifically, the gratings are serially arranged in two substantially parallel rows with the gratings in the first row offset laterally from the gratings in the second row. Further, the input to each grating is at substantially the same angle of incidence such that the output of one grating is the direct input to the next succeeding one of the gratings.
REFERENCES:
patent: 2945953 (1960-07-01), Martin
patent: 4088884 (1978-05-01), Rast et al.
patent: 4330211 (1982-05-01), Peterson et al.
Harrison and Stroke, "Attainment of High Resolution with Diffraction Grats and Echelles, " JOSA, Dec. 1960, vol. 50, No. 12, pp. 1153-1158.
Stroke and Stroke, "Tandem Use of Gratings and Echelles to Increase Resolution, Huminosity, and Compactness of Spectrometers and Spectrographs," JOSA, Mar. 1963, vol. 53, No. 3, pp. 333-338.
Hessel and Oliner, "A New Theory of Wood's Anomalies on Optical Gratings," Applied Optics, Oct. 1965, vol. 4, No. 10, pp. 1275-1297.
Palmer, "Parallel Diffraction Gratings Anomalier," JOSA, Apr. 1952, vol. 42, No. 4, pp. 269-276.
Palmer, "Diffraction Grating Anomalies II, Coarse Gratings," JOSA, Jan. 1956, vol. 46, No. 1, pp. 50-53.
Gavrielides and Peterson, "Diffraction by Lamellar Gratings," AFWL-TR-79-46, May 1979.
Gavrielides Athanasios
Peterson Phillip R.
Arnold Bruce Y.
Flanagan John R.
Propp William
Singer Donald J.
The United States of America as represented by the Secretary of
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