Compression-tuned fiber grating

Details Compression-tuned fiber grating Compression-tuned fiber grating

G - Physics

02

B

G02B 27/44 (2006.01) G02B 6/34 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2200723

A reflective element (26), such as a Bragg grating, impressed in an optical fiber (24), has a reflection wavelength which is tuned by compressing the grating (26). Because an optical fiber is much stronger under compression than in tension, the grating (26) is tunable over a much broader range than conventional tension/stretching techniques.

Elément réflecteur (26) tel qu'un réseau de Bragg intégré à une fibre optique (24) et dont la longueur d'onde de réflexion peut varier lorsque le réseau est comprimé (26). Comme une fibre optique est nettement plus résistante à la compression qu'à la traction, le réseau (26) peut être accordé sur une plage beaucoup grande qu'avec les techniques usuelles de traction/étirement.

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