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Polarizing Beamsplitters
Keyword：
Polarizing Beamsplitters
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- Description
- Cas'Tech Class
- Parameters
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► Material from DUV to IR
► Custom dimension and shapes
► Diameter from 1 to 100 mm
► Clear aperture: Central 90% of diameter
► Wavefront distortion : λ/4@632.8nm
► Surface quality: 10-5 S/D
► Beam deviation :＜5′
► Extinction ratio: >1000:1 for Cube
► Standard and custom beamsplitter coating options available
► High laser damage thresholdPolarizing Beamsplitters divide unpolarized beam into two orthogonal, linearly polarized parts. A wide variety of Polarizing Beamsplitters configurations are offered by CASTECH, including UV Laser Line Polarizing Beamsplitter Cubes, Laser Line Polarizing Beamsplitter Cubes, Broadband Polarizing Beamsplitter Cubes, Laser Line Polarizing Plate Beamsplitters, Broadband Polarizing Plate Beamsplitters.
Coating is a critical portion of a high performance Polarizing Beamsplitters. CASTECH has extensive coating techniques and expertise of IBS, IAD, E-Beam & MS coating to suit high extinction ratio and high damage threshold needs. High-energy Laser Line Polarizing Beamsplitter Cubes are constructed by optically contacting rather than cementing. With damage threshold up to 20 J/cm2, they are ideal for high power laser application.
MetrologyExtinction ratio is a important factor to consider when choosing a polarizer. CASTECH employs Polarization Extinction Ratio (PER) System which is an easy-to-use highly sensitive instrument for measuring both polarization extinction ratio (PER) and extinction ratio (ER).
Key words:- Aspherical Lenses for eliminating spherical aberration
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