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US 2010/0166368 A1Published application
Grating like optical limiter
AssigneeKiloLambda Technologies Ltd.
InventorsRam Oron, Ariela Donval, Boaz Nemet, Doron Nevo, Moshe Oron
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AssigneeKiloLambda Technologies Ltd.
InventorsRam Oron, Ariela Donval, Boaz Nemet, Doron Nevo, Moshe Oron
Estimating the term…
A reversible optical energy limiting device comprises a waveguide forming an optical path between an input end and an output end, and an optical energy responsive material located in the optical path for reflecting at least a portion of optical energy received from the input end back toward the input end when the optical energy exceeds a predetermined threshold. The optical energy responsive material does not reflect optical energy when it drops below the predetermined threshold, and thus propagation of optical energy from the input end to the output end is automatically resumed when the optical energy drops below the predetermined threshold. The optical energy responsive material may extend across the optical path an acute angle relative to the longitudinal axis of the optical path so that back-reflected light does not re-enter the optical system.
A reversible optical energy limiting device, comprising a waveguide forming an optical path between an input end and an output end, and an optical energy responsive material located in said optical path for reflecting at least a portion of the optical energy received from said input end back toward said input end when said optical energy exceeds a predetermined threshold,
(canceled)
(canceled)
A method of controlling the propagation of optical energy along an optical path between an input end and an output end of an optical waveguide, said method comprising reflecting at least a portion of the optical energy propagated from said input end toward said output end, back toward said input end in response to an increase in said optical energy to a predetermined threshold, and automatically resuming the propagation of said optical energy to said output end in response to a decrease in said optical energy below said predetermined threshold.
Dependencies are inferred from the claim text.