Optics: measuring and testing – By dispersed light spectroscopy – With raman type light scattering
Patent
1990-01-12
1992-10-06
Arnold, Bruce Y.
Optics: measuring and testing
By dispersed light spectroscopy
With raman type light scattering
359 15, G01J 344, G02B 532
Patent
active
051536706
ABSTRACT:
A holographic filter comprises a volume hologram recorded with Bragg surfaces for use in spectroscopic and spectral splitting applications. The Bragg planes in the holographic filter can be recorded to satisfy virtually any design constraint imposed upon the filter such as Raman, Lippmann, non-Snellian (slanted), curved, and multiplexed spectral filters. The holographic filter achieves maximal reduction of secondary maxima and sidelobes and obtains large wavelength selectivities, and varied grating constants.
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Jansson, J., Jannson, T. and Yu, K. H., "Solar Control Tunable Lippmann Holowindows", Solar Energy Materials, vol. 14 (1986) 289-297.
Feeney Michael T.
Jannson Joanna L.
Jannson Tomasz P.
Arnold Bruce Y.
Parsons David R.
Physical Optics Corporation
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