Patent ID: 6990274
Filing Date: 2006-01-24
Classification: G02B

Abstract:
1. An apparatus for adjusting the spectral response of an optical grating in an optical waveguide, the apparatus comprising: a support member to which a longitudinal optical waveguide grating can be attached, the support member having a centroidal axis and being configured for longitudinal bending and rotating about the centroidal axis, and a mechanism for longitudinally bending and rotating the support member about the centroidal axis, wherein the mechanism for longitudinally bending and rotating the support member about the centroidal axis alters the wavelength of the optical waveguide grating by controlling the longitudinal bending and rotating of the support member in accordance with the equation: Where: λ P=a strain optic coefficient of the optical waveguide grating; R=a radius of the bend in the support member; r=a distance of the optical waveguide grating from the support member; and θ=an angle of rotation about the centroidal axis of the support member.