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Glan-Thompson Polarizers

Materials: Calcite, or a-BBO crystal. 
Optically
cemented structure.
Large
length/aperture ratio for wide acceptance angle.
High extinction ratio ( >
100,000:1 ) over an extremely
  large range of wavelength.
Minimal beam displacement and angular deviation for
  the transmitted beam.
Excellent for low power applications in precision optical
  instrument.

Glan-Thompson Polarizer Specifications

Wavelength Range: 210-1100nm (α-BBO)
                         
 350-2300nm (Calcite)
Surface Quality: 20-10 scratch and dig
Wavefront Distortion: <
λ/4 @632.8nm
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

Structure and beam polarization

 

Standard Products

Part No. Material

Length/ Aperture

Extinction
Ratio

Angular
Field (o)

Clear Aperture φ(mm)

Outside
 D (mm)
L(mm)
GSB0108 α-BBO 1.8 200,000:1 

>15

8 25.4 21.0
GSB0110 10 25.4 24.5
GSB0115 15 30.0 32.5
GSC0208 Calcite 2.5 100,000:1 >14 8 25.4 28.0
GSC0210 10 25.4 33.0
GSC0215 15 30.0 45.5
GSC0308 3.0 >25 8 25.4 32.0
GSC0310 10 25.4 38.0
GSC0315 15 30.0 53.0

Other dimensions are routinely fabricated by Newlight Photonics.
Please contact us for the polarizers that best suit your applications.


 

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