Coherent light generators – Particular beam control device – Tuning
Reexamination Certificate
2008-05-23
2009-12-22
Rodriguez, Armando (Department: 2828)
Coherent light generators
Particular beam control device
Tuning
C372S021000, C372S101000, C372S102000
Reexamination Certificate
active
07636376
ABSTRACT:
A method is presented for shaping the spectral response of volume holographic grating elements by applying controlled thermal energy. The methods allow generating continuous or discontinuous grating periods from a fixed grating period. The methods are applicable to optical feedback into optical sources such as light emitting diodes, lasers and other general optical filtering applications.
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Tunable Lasers Handbook—tunable external-cavity semi-conductor lasers, P. Zorabedian, chapter 8, Academic Press 1995.
Herwig Kogelnik, Coupled Wave Theory for Thick Hologram Gratings, The Bell System Tech. Journal, Nov. 1969, vol. 48, No. 9, pp. 2909-2947.
Havermeyer Frank
Ho Lawrence Pokwah
Moser Christophe
Ondax, Inc.
Rodriguez Armando
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