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High-Energy Laser Wedged Windows

High-Energy Laser Wedged Windows
1Pages

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602 O p t i c s Phone: 1-800-222-6440 • Fax: 1-949-253-1680 WINDOWS BEAMSPLITTERS OPTICAL FILTERS POLARIZATION OPTICS DIFFRACTION GRATINGS HIGH-ENERGY OPTICS ULTRAFAST LASER OPTICS ACCESSORIES High-Energy Laser Wedged Windows Our high-energy laser windows are specially designed to eliminate losses in vacuum cell applications and can be used as vacuum windows, convection barriers, or interferometer compensator plates. These optics are precision polished, select grade fused silica coated with hard refractory multilayers for very high damage threshold. A 30 arc min wedge between the polished faces eliminates fringe patterns and cavity feedback. Specifications Material UV grade fused silica Surface Flatness ë/10 at 632.8 nm over the clear aperture Clear Aperture >central 80% of diameter Surface Quality 15-5 scratch-dig Diameter Tolerance +0/-0.13 mm Thickness Tolerance ±0.38 mm Wedge 30 ±15 arc min Chamfers 25.4 : 0.25–0.76 mm face width x 45° ±15° 50.8 : 0.38–1.14 mm face width x 45° ±15° Antireflection Coating broadband, multilayer coating, Ravg <0.5% per surface at 0° over the specified wavelength range Durability MIL-M-13508, MIL-C-675, MIL-C-14806 Cleaning Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended (see page 622) Damage Threshold 10 J/cm2 @ 20 nsec pulses, 20 Hz, at 1064 nm, typical 2.0 1.0 0 Reflectance (%) Wavelength ( m) Typical 0.4 XAR.14 0.5 0.6 0.7 0.8 Ordering Information Model Wavelength Range (nm) Diameter (mm) Thickness (mm) 10Q20XAR.14 430–700 25.4 6.10 20Q20XAR.14 430–700 50.8 9.40 10Q20XAR.16 650–1000 25.4 6.10 20Q20XAR.16 650–1000 50.8 9.40 10Q20XAR.18 1000–1550 25.4 6.10 20Q20XAR.18 1000–1550 50.8 9.40 • Damage resistant up to 10 J/cm2 • UV fused silica for excellent thermal stability • Low wavefront distortion • Hard refractory coatings • 25.4 and 50.8 mm diameters C ø A ø B 30 arc min Wedge Dimension (mm) Model ø A ø B C 10Q20 25.4 20.3 6.10 20Q20 50.8 40.6 9.40 LH Series Lens Mounts page 669

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High-Energy Laser Wedged Windows 1Pages

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High-Energy Laser Wedged Windows
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