论文信息 - Amplification of fibre Bragg grating reflectivity by post-writing exposure with a 193 nm ArF laser

Amplification of fibre Bragg grating reflectivity by post-writing exposure with a 193 nm ArF laser

The reflectivity of weak in-fibre gratings (a few percent reflectivity) written by an ArF laser illuminated phase mask can be dramatically enhanced (reaching >or=95%) by subsequent exposure using a uniform ArF laser beam. This new effect offers the possibility of post-writing control of grating properties.

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