Speciality Fibres - PZ Fibres | |
19 Jul 2018 Polarising fibres (PZ) only allow one polarisation of light to propagate along the fibre; the other polarisation will experience high losses. This is different to a polarisation maintaining fibre (PM) which will support propagation of both polarisations. PZ fibres have a specific waveguide design with high birefringence and leakage behaviour so that the cut-off wavelength for the two polarisations is different. Coiling the fibre introduces higher losses for one of the polarisations so PZ fibres can be used to create a high extinction ratio ‘all-fibre’ polariser. We can offer IXFiber polarising fibre and polarising modules that can be suited to your application. The modules have the correct design of fibre and coil diameter to produce polarisers with a high extinction ratio (≥30dB), large bandwidth (typically larger than 100nm), and low loss. The modules are available for a range of wavelengths, with a variety of connector options. They are particularly useful in polarisation-sensitive applications such as quantum optics and laser cooling atom trapping. More Information https://www.lasercomponents.com/uk/product/polarizing-fibers-and-polarizers-from-780-nm-to-1550-nm/ |
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