Optical: systems and elements – Holographic system or element – With optical waveguide
Patent
1996-01-26
1997-04-29
Henry, Jon W.
Optical: systems and elements
Holographic system or element
With optical waveguide
359569, 385 37, G02B 610, G02B 518, G03H 100
Patent
active
056254725
ABSTRACT:
A device for transmitting radiation is provided. The device includes a glass optical waveguide having a core. A Bragg grating is at least partially formed within the core. Associated with the Bragg grating is a transmission spectrum that includes a band in which incident radiation is attenuated, the peak attenuation being at a wavelength .lambda.. The transmission spectrum of the Bragg grating is such that the full width at half maximum measured in transmission is greater than or equal to (1.5 nm/1558.5 nm) .lambda. and peak attenuation within the band is greater than or equal to 90% of full scale transmission. Attenuation exceeds 50% of the peak attenuation everywhere within the full width at half maximum of the transmission spectrum.
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Mizrahi Victor
Sipe John E.
Books Glen E.
Finston Martin I.
Henry Jon W.
Lucent Technologies - Inc.
Pacher Eugen E.
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