Product Description
Premium Custom CVI Laser Wedged Fused Silica Optical Window – Ex-US Defense Laboratory (720-780 nm)
A rare, high-performance custom optical window manufactured by CVI Laser Corporation for a premier US Defense Laboratory’s advanced laser research programs. This 2-inch diameter wedged window combines UV-grade fused silica with a proprietary broadband AR coating (720–780 nm), engineered for demanding high-power laser applications where beam stability, transmission, and damage threshold are critical.
🔍 Key Specifications & Features:
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Manufacturer: CVI Laser Corporation (now part of IDEX) – industry leader in precision optics
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Substrate: Premium UV-grade fused silica – high transmission from deep UV to near-IR, exceptional thermal stability
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Coating: Dual-surface broadband dielectric AR coating optimized for 720–780 nm (TiO₂/SiO₂ multilayer)
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Dimensions: 2″ (50.8 mm) diameter × 3/8″ (9.525 mm) thickness
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Wedge: 4 arcminute intentional wedge (arrow indicates thick side) – eliminates etalon fringes and back-reflections
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Transmission: >99% average in-band, reflectivity <0.5% per surface
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LIDT: Extremely high laser-induced damage threshold – suitable for high-energy beams
⚙️ Ideal Applications:
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High-Power Laser Cavities: Ti:Sapphire, Alexandrite, or dye laser end windows, output couplers, and resonator elements
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Beamline Protection: Debris shield or protective window in energetic pulsed or CW laser paths
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Precision Diagnostics: Beam sampling, pick-off, or diagnostic setups requiring minimal loss and no interference fringes
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Advanced R&D: University labs, photonics research, and industrial laser development
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Collector’s Item: Piece of high-end optics history from a premier defense research institution



