G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/25 (2006.01) G02B 6/34 (2006.01) H04B 10/18 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2364290
A dynamic gain flattening filter is provided that offers a smooth spectral response. The filter includes an input/output port for launching a beam of light, a dispersive element for dispersing the beam of light into a plurality of monochromatic sub-beams of light, and discrete array of controllable elements for receiving the plurality of sub- beams of light. The filter is designed such that each sub-beam of light is incident on more than one element of the discrete array for selective attenuation before being recombined by the dispersive element and redirected back to the input/output port. In another embodiment, a beam-folding mirror is provided to direct the attenuated beam to a separate output port.
Churin Yevgeniy
Heffner Brian Lee
Morozov Valentine M.
Shen Jinxi
Tomlinson W. John
Jds Uniphase Inc.
Teitelbaum & Maclean
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