Optical fiber grating, manufacturing method and apparatus

Details Optical fiber grating, manufacturing method and apparatus Optical fiber grating, manufacturing method and apparatus

G - Physics

02

B

G02B 5/26 (2006.01) C03B 25/00 (2006.01) G02B 5/18 (2006.01) G02B 6/10 (2006.01) G02B 6/124 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2355799

The invention provides a method and apparatus that precisely and efficiently improves the optical properties of an optical fiber grating. Preferably hydrogen loading processing, grating formation processing that forms a grating part by irradiation with ultraviolet light at a predetermined period, and preferably dehydrogenation, adjusting the optical properties by a suitable combination of uniform ultraviolet irradiation processing that irradiates the grating part as a whole with ultraviolet light and heat trimming processing, and finally heat aging is carried out.

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