Glan-Thompson Beam Splitters

Materials: Calcite or alpha-BBO single crystal.
Optically cemented structure.
s-pol beam transmits while p-pol light deflects and exits through a side face.
High extinction ratio (>100,000:1) over a large wavelength range.
Both output beams are at normal incident on the corresponding output face.
Large splitting angle between the two orthogonally polarized beams:
45o for Calcite, 61o for α-BBO.
Suitable for low and medium power applications.
Housing OD: 1", 30mm, 1.5" (38.1mm) or 2" (50.8mm).

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Part No.	Description	Application	Material	Wavelength	Bandwidth	Size	Aperture	Thickness	Length	Angle	Doping	Orientation	Displacement	Retardation	Delay	Coating	End cut	Holder	Price	Availability	Add to Cart

Specifications:

Wavelength Range:     400-2300nm (Calcite)
                               220-900nm (α-BBO)
Surface Quality:         20-10 scratch and dig
Wavefront Distortion: < λ/4 @632.8nm
Dimensions Tolerance: +/- 0.1 mm
Beam Deviation:         < 3 arc minutes
Housing:                   Black anodized aluminum

Coatings:

a-BBO: Single layer MgF2 protective coating (P-coating) on input/output surfaces
Calcite: Single layer MgF2 protective coating (P-coating) on input/output surfaces

Multilayer AR coatings at the specified wavelengths or wavelength ranges are available upon request.

Typical transmission curve for GPC (calcite):

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