Custom optical filters

Details Custom optical filters Custom optical filters

G - Physics

02

B

G02B 5/20 (2006.01) G02B 27/44 (2006.01) H01S 3/00 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2238544

This invention relates generally to custom optical filters such as filters relating to, flat-top WDM mux/demux, flat-top and peaky comb filters or reconfigurable add & drop filters. The embodiment disclosed below is based on mid-dispersion wavelength bands processing, wherein the optical spectrum is dispersed in two steps; in-between these two steps, the wavelength bands are manipulated, for example by being moved, reflected, absorbed, inverted, magnified or reduced to achieve a particular result; for example, it is possible to to realize custom flat-top optical filters, custom shaped optical filters, flat-top WDM mux/demultiplxors, flat-top and peaky comb filters or reconfigurable add & drop filters.

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