Optical devices

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G02B 5/18 (2006.01) G02B 5/28 (2006.01) G02B 6/10 (2006.01) G02B 6/124 (2006.01) G02F 1/225 (2006.01) H01S 5/10 (2006.01) G02B 6/12 (2006.01) H01S 5/0625 (2006.01) H01S 5/12 (2006.01)

Patent

CA 1274411

- 9 - OPTICAL DEVICES Abstract An optical device comprising a filter using first and second grating sections (3 and 5, respectively) separated by a changed refractive index section (7) disposed on a substrate (1). The filter operates as a narrowband grating resonator. (FIG. 1).

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