Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1996-06-07
1999-11-02
Spyrou, Cassandra
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359569, 359572, 356305, 356328, 356334, G02B 532
Patent
active
059781106
ABSTRACT:
This invention comprises a novel apparatus for recording a holographic groove pattern on a diffraction grating blank. The recording apparatus is configured using newly developed groups of analytical equations. The invention further comprises the novel holographic diffraction grating made with the inventive recording apparatus. The invention additionally comprises monochromators and spectrometers equipped with the inventive holographic diffraction grating. Further, the invention comprises a monochromator configured to reduce aberrations using a newly developed group of analytical equations. Additionally, the invention comprises a method to reduce aberrations in monochromators and spectrometers using newly developed groups of analytical equations.
REFERENCES:
patent: 4455088 (1984-06-01), Koike
patent: 5052766 (1991-10-01), Noda et al.
patent: 5528364 (1996-06-01), Koike
Noda et al., "Design of holographic concave gratings for Seya-Namioka monochromators", Journal of the Optical Society of America, vol. 64, No. 8, pp. 1043-1048, Aug. 1974.
Brothers Coudert
Schuberg Darren E.
Spyrou Cassandra
The Regents of the University of California
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