Method for realizing optical fiber raster multiple function apodisation by single exposure

Beijing University of Posts and Telecommunications (2005) Method for realizing optical fiber raster multiple function apodisation by single exposure. Application number: 200310100154, Publication number: G02B6/124, international identification: 1607406.

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Abstract

This invention relates to a method for realizing multi-function apodization by one time exposing including: A carrying out amplitude modulation to incident UV-light with an amplitude mask plate to get a beam UV-light light flux interims of necessary apodization function distribution to use the first cylindrical mirror to longitudinally compress said UV-light spots then to expose the light-sensitive fibers via a phase mask plate, B, modulating the amplitude of the incident UV-light with an amplitude mask plate to another beam of UV-light and utilizing the second cylindrical mirror to compress the spots longitudinally to expose the light sensitive fibers directly, among which, one beam light is the transmitted light via the mask plate, the other can be a reflection light or a transmitted light.

Item Type: Patent
Subjects: F300 Physics
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 22 Jun 2015 08:34
Last Modified: 18 Aug 2015 09:22
URI: http://nrl.northumbria.ac.uk/id/eprint/23031

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