Glan-Thompson Polarizers

Materials: alpha-BBO or Calcite single crystal.
Optically cemented structure.
Large length/aperture ratio for wide acceptance angle.
High extinction ratio (>100,000:1) over a large wavelength range.
Minimal beam displacement and angular deviation for
the transmitted beam.
Suitable for low power applications.
Housing OD: 1" (25.4 mm) or 30 mm. OD 2" available upon request.

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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

Glan-Thompson Polarizer Specifications:

Wavelength Range:     220-900 nm (α-BBO)
                           400-2300 nm (Calcite)
Surface Quality:         20-10 scratch and dig
Wavefront Distortion: < λ/4 @632.8 nm
Dimensions Tolerance: +/- 0.1 mm
Beam Deviation:         < 3 arc minutes
Coatings:                  Single layer MgF2 on input/output surfaces
                             (Multilayer AR coating available upon request)
Housing:                   Black anodized aluminum

Standard Product Parameters:

Part No.	Material	Length/ Aperture	Extinction Ratio	Angular Field (o)	Aperture with Mount φ(mm)	Outside D (mm)
GSB0108	α-BBO	1.8	200,000:1	>15	8	25.4
GSB0110					10	25.4
GSB0115					15	30.0
GSC0108	Calcite	3.0	100,000:1	>25	8	25.4
GSC0110					10	25.4
GSC0112					12.7	25.4

Coatings:

a-BBO: Single layer MgF2 on input/output surfaces
Calcite: Single layer MgF2 on input/output surfaces

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

Typical transmission curve for GSC (calcite):

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