Recording of efficient high-order Bragg reflectorsinoptical fibres by mask image projection and singlepulse exposure with an excimer laser
- 29 April 1994
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 30 (9) , 707-709
- https://doi.org/10.1049/el:19940508
Abstract
A technique using high resolution mask projection for creating efficient Bragg grating reflectors in optical fibres by single excimer laser pulse exposure is described. Using a deep UV projection system with a large image field size and micrometre resolution, gratings with periods between 1 and 6 µm have been recorded in Ge-doped fused silica fibres that produce high order Bragg reflections in the wavelength range 1.43–1.65 µm.Keywords
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