optical communication

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

Pointing, Acquisition, and Tracking Systems for Free-Space Optical Communication Links

Pointing, acquisition, and tracking (PAT) systems have been widely applied in many applications, from short-range (e.g. human motion tracking) to long-haul (e.g. missile guidance) systems. This dissertation extends the PAT system into new territory: free space optical (FSO) communication system alignment, the

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