Polariser is an important optical component that is widely used in Polarising optics to produce the state of linear Polarisation. sp3 plus provide following Polarisers with three materials,a-BBO, Calcite and YVO4 to suit for widest spectrum and high Polarisation purity application.

Polariser	Material	Illustration	Properties and Application
Glan-Taylor Polariser	a - BBO (190-3500) Calcite (350-2300) YVO4 (450-5000)		Air-spaced Cutting angle close to Brewster's Angle. The extraordinary ray passes through with little deviation. Sealed mount without escape windows is suit -able for low to medium power application where the rejected beam is not required.
Glan-Laser Polariser	a - BBO (190-3500) Calcite (350-2300)		Cutting angle close to Brewster's Angle. Mounted with escape windows. Therefor, it is suitable for high power applications.
Glan-Thompson Polariser	YVO4 (450-5000)		Cemented. Suitable for low power applications. Special design for the ratio of L/A (length /aperture) guarantees the wide acceptance angle.
Wollaston Polariser	YVO4 (450-5000)		Cemented. Both ordinary and extraordinary beams are deviated. Special design for the ratio of L/A (length /aperture) guarantees the wide acceptance angle.
Rochon Polariser	a - BBO (190-3500)		Made by a-BBO material guaranteeing a wide transmission range, especially, suitable for UV applications. Split the ordianry and extraordinary ray, but only extraordinary beam is deviated. Wide wavelength range
Polarisation Beamsplitter	BK7 Grade A Optical Glass SF5 Optical Glass		Special Polarising coating for: Single wavelength. Broadband wavelength.