Optical fibre reflective diffraction grating devices

Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Physical developing

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350 9619, 3501622, 430 97, G02B 626, G02B 634, G02B 518, G03G 1306

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047952261

ABSTRACT:
An optical device comprising a length of optical fibre of predetermined convex configuration supported by fibre mounting and/or attachment means, the convex outer part of the optical fibre having a portion thereof removed therefrom closely adjacent to or even just entering the core of the optical fibre to produce a substantially flat surface therealong on which a reflective diffraction grating of predetermined form is provided according to the function requirements of the device.

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