bragg gratings Archives - Projects, Thesis, Dissertation, Project Reports

A study of fibre bragg gratings

This thesis concerns the fabrication, characterization, and application of fibre Bragg gratings (FBGs). Being in-fibre wavelength-selective reflectors, FBGs have wide applications in optical communication and sensing systems. Compared with conventional bulk-optic gratings, FBGs offer the advantages of low loss, polarisation independence, compatibility

Fabrication of Bragg Gratings Using Interferometric Lithography

A setup has been designed and realized for the fabrication of Bragg Gratings in edge emitting semiconductor laser. In this setup a HeCd laser, at 325nm, is used in a Lloyd’s mirror configuration, to interferometrically expose a sinusoidal grating on photoresist… Contents

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