Birefringent Wedges
Birefringent Wedges are widely used in fiber optics such as isolators and other applications.
Specification: Crystals....................................................YVO4, LiNbO3
Dimension Tolerance.............................+0.00, -0.05mm
Wedge Angle Tolerance.....................................± 0.5°
Optical Angle Orientation Tolerance...................± 0.1°
Wavefront Distortion..............................λ/8 @632.8nm
Phase Retardation.............see the table @wavelength
Retardation Tolerance.......................................< λ/500
Parallelism..............................................< 1 arc second
Clear Aperture.....................................................> 90%
Surface Quality............................20-10 scratch and dig
Chip...............................................................< 0.02mm
Coating.........................R < 0.2% @wavelength±40nm
