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Location: Main > Optical Waveplates > Berek Compensator Plates > BCM-R-0254-0050
Name: DIA25.4xT0.5mm YVO4 Berek Compensator Plate
P/N: BCM-R-0254-0050
Keywords:Dia25.4xT0.5mm,YVO4 Crystal,Uncoated
Unit Price: S$800.00/pc
Available: In stock
Request: Add to Request List
Introduction:
The Berek Compensator is an optical device that is capable of quantitatively determining the wavelength retardation of a crystal, fiber, mineral, plastic film or other birefringent material. Provided the thickness of the material can be measured, a Berek compensator can be utilized to ascertain the birefringence value. The compensator operates by measuring the rotation angle of a calcite or magnesium fluoride optical plate cut perpendicular to the optical microscope axis.
 Material  YVO4 Crystal, Undoped
 Outer Diameter  25.4,+0.0/-0.15mm
 Thickness  0.50,+/-0.05mm
 Surface Quality  20/10 S/D on both surfaces
 Wavefront Distortion  <l/10 @ 633nm over surface
 Parallelism  < 1 arc-second
 Optical Axis  Normal to surface (perpendicular to surface)
 Coating  Uncoated on both surfaces