• Glan Thompson Polarizer Beamsplitter Cube

    Glan Thompson Polarizer Beamsplitter Cube

    Glan Thompson polarizer Beamsplitter Cube is made of two Calcite prisms or two a-BBO prisms cemented together .It have high extinction ratio below 5×10-5 is botained. The Calcite type can be used in the range of 350-2300nm,and a-BBO crystal usable in the range of 220-900nm. It can separate the nature light for O polarized light and E polarized light,and the separate angle is 45°. Since there are two ports,the prism can also be used by replacing the input and output direction.

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  • Glan Thompson Polarizer

    Glan Thompson Polarizer

    Glan Thompson polarizer is made of two calcite prisms or two a-BBO prisms cemented together . Two types of Glan Thompsons are available .One is the standard form and the other is the long form.Their length to aperture ratios 2.5:1 and 3.0:1 respectively.Glan Thompson polarizers tend to have higher extinction ratio than air spaced polarizers .In the ultra violet spectrum,their transmission is limited by absorption in birefriengent materials as well as the cement layer.a-BBO polarizers and Calcite polarizers can be used from about 220 to 900nm and 350 to 2300nm respectively.

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Polarizer Beam Splitter Optical Window Laser Mirror Optical Crystal Birefringent Crystal