Optical fiber gratings with azimuthal refractive index...

Details Optical fiber gratings with azimuthal refractive index... Optical fiber gratings with azimuthal refractive index...

2005-09-06

2005-09-06

Lee, John D. (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

C385S037000, C385S140000

Reexamination Certificate

active

06941039

ABSTRACT:
The present invention relates to a type of optical fiber grating having an azimuthal refractive-index perturbation. The optical fiber includes a fiber grating that has a plurality of grating elements formed therein. At least one of the grating elements has a spatially varying index of refraction that varies azimuthally about the centerline of the optical fiber. The fiber grating acts as a band-stop optical spectral filter. In addition, since fiber-cladding modes are weakly-guided modes, their power can be easily dissipated by scattering, bending, stretching, and/or rotating the optical fiber. Multiple configurations of these gratings within an optical fiber are given. Devices are presented which can dynamically attenuate, tune, switch, or modulate the wavelength spectral characteristics of an optical signal.

REFERENCES:
patent: 3909110 (1975-09-01), Marcuse
patent: 5694501 (1997-12-01), Alavie et al.
patent: 5852690 (1998-12-01), Haggans et al.
patent: 6084998 (2000-07-01), Straayer
patent: 6327405 (2001-12-01), Leyva et al.
patent: 6427041 (2002-07-01), Strasser et al.

Affiliated with

Also associated with

Rating

Optical fiber gratings with azimuthal refractive index... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical fiber gratings with azimuthal refractive index..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical fiber gratings with azimuthal refractive index... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3415306