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Wedge Prisms

Wedge prism generally are quite thin and the input and output faces are nearly parallel. A beam of light passing through a wedge prism is deviated by an angle determined, to first order, by the wedge angle and the refractive index. The refractive index does of course vary slightly with wavelength. These wedge prisms can be used to give small controlled variations in beam direction and in pairs can quite accurately control the direction of a beam.     Specifications: Material: BK7 , UV fused silica Dimensions: ±0.2mm Angles: ±3 arcmin Surface quality: <40:20 scratch dig       See Also: For larger deviations: Inverting prisms - Amici (roof prism) Inverting prisms - Porra   and Dispersion Prisms: Dispersing prisms - Equilateral Type Dispersing prisms - Pellin-Broca Type

	Part No.	Deviation angle	Wedge angle	Material	Diameter (mm)	Price (Ex.VAT)	Buy Now	Get Quote
	PWK0125	1°	1.94°	BK7	25	£33.10	QTY:	Quote Me
	PWK0225	2°	3.88°	BK7	25	£33.10	QTY:	Quote Me
	PWK0525	5°	9.65°	BK7	25	£33.10	QTY:	Quote Me
	PWK1025	10°	18.97°	BK7	25	£35.30	QTY:	Quote Me
	PWF2520-C	x	20°	UV Fused silica	25	£26.75	QTY:	Quote Me