Abstract
An optical fibre is provided having a fibre cladding around a longitudinally extending optical propagation core. The cladding has a reflection region of a varying refractive index in the longitudinal direction.
Original language | English |
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Patent number | WO2010001132A1 |
IPC | G02B6/02 |
Priority date | 4/07/08 |
Publication status | Published - 7 Jan 2010 |