Loh, W.H., Cole, M.J., Zervas, M.N. and Laming, R.I.
Compensation of imperfect phase mask with the moving fibre-scanning beam technique for production of fibre gratings
Electronics Letters, 31, (17), . (doi:10.1049/el:19950974).
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We experimentally demonstrate that the moving fibre-scanning beam technique is able to compensate for imperfections in a phase mask and thus improve the quality of the resulting fibre gratings. A 10 cm long 'uniform' phase mask which normally produces gratings with a 0.23 nm uncontrolled chirp has been corrected with our new writing technique to produce narrow band gratings with 0.10 nm bandwidth.
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