Tunable optical routing systems

Details Tunable optical routing systems Tunable optical routing systems

2007-08-14

2007-08-14

Pak, Sung (Department: 2874)

Optical waveguides

With optical coupler

Plural

C385S025000, C385S037000

Reexamination Certificate

active

11113822

ABSTRACT:
An optical wavelength routing device utilizes a free space optical beam propagating therethrough is provided. The device includes at least one optical fiber input, at least one optical fiber output, an optical element having an actuator with at least one tilt axis and a diffraction element having a surface thereon. The device also includes an optical beam-splitting element having spatially varying optical properties. An optical beam transfer arrangement is positioned between the optical element and the diffraction element such that tilt actuation of the optical element elicits a proportional change in an angle of incidence of the optical beam onto the diffraction element, wherein the center of rotation for the angular change is the surface of the diffraction element. Optical routing between the fiber input and the fiber output can be configured by the positioning of the optical element.

REFERENCES:
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patent: 6631222 (2003-10-01), Wagener et al.
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Doerr, C.R. et al., “Eight-Wavelength Add-Drop Filter with True Reconfigurability,” IEEE Photonics Technology Letters, vol. 15, No. 1, Jan. 2003, pp. 138-140.

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