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Home > Polarizing Optics > 14BDP - Beam Displacers
Beam Displacers
Split a beam into two orthogonaly polarized divergent beams
Made from the finest optical grade natural calcite
Beam Displacers with side size >20 mm are available on special request
Beam Displacers can be made from crystal quartz and rutile as well
Beam Displacers made from YVO4 available on request

The device produces two parallel orthogonally polarized beams from unpolarized input. The displacement between ordinary and extraordinary beams can be found by approximate formula d = 0.1 x L

Standard Specifications
MaterialCalcite, grade "First"
Size A tolerance+0.0/-0.1 mm
Length L tolerance±0.1 mm
Clear Aperture>90%
Ordinary Beam Deviation≤ 3 arcmin
Surface Quality60-40 scratch and dig
Surface Flatnessλ/4 @ 633 nm
AR coatingsNone. Please refer to the Coatings Section

Beam Displacers
Beam displacement, mmSide size A, mmOrdering Code for Calcite Beam DisplacersOrdering Code for YVO4 Beam Displacers
1514BDP-5-114BDP-5-1-Y
2514BDP-5-214BDP-5-2-Y
3514BDP-5-314BDP-5-3-Y
1814BDP-8-114BDP-8-1-Y
2814BDP-8-214BDP-8-2-Y
3814BDP-8-314BDP-8-3-Y

Ordering