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Ultrafast Laser Output Coupler Mirrors

Ultrafast Laser Output Coupler Mirrors
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Ultrafast Laser Output Coupler Mirrors - 1

O p t i c s 679 Email: sales@newport.com • Web: newport.com PRISMS WINDOWS BEAMSPLITTERS FILTERS AND ATTENUATORS POLARIZATION OPTICS DIFFRACTION GRATINGS ULTRAFAST LASER OPTICS ACCESSORIES Ultrafast Laser Output Coupler Mirrors • 3 mm thickness minimizes pulse dispersion • 12% transmission, 720–890 nm • 88% reflectivity, 720–890 nm Specifications Material BK 7, grade A, precision annealed optical glass Surface Flatness S1, S2 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 Thickness Tolerance ±0.25 mm Wedge 30 ±15 arc min Chamfers 0.25-0.76 mm face width x 45° ±15° Angle of Incidence 0–10° S1 Coating OC.20, Rs, Rp = 88% ±2.5%, 720–890 nm, 0–10° AOI S2 Coating AR.16 broadband, multilayer antireflection coating Ravg <0.5%, Rmax <1.5%, 650–1000 nm, 0–15° AOI Durability MIL-C-675C, moderate abrasion Cleaning Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended (see page 688) Reflectance (%) 100 95 90 85 80 700 750 800 850 0° Wavelength (nm) 900 OC.20 Typical 20 16 12 8 4 700 750 800 850 900 Wavelength (nm) 0 GVD (fsec2) OC.20 Calculated GVD OC.20 Calculated Cubic Term –20 Cubic Term (fsec3) 0 20 700 750 800 Wavelength (nm) 850 900 40 60 80 100 C 30 arc min Wedge S1 S2 ø B ø A Dimension (mm) Model øA øB C 05B20-01OC.20 12.7 10.2 3.00 10B20-01OC.20 25.4 20.3 3.00 Ordering Information Model Diameter (mm) Thickness (mm) 05B20-01OC.20 12.7 3.00 10B20-01OC.20 25.4 3.00 This mirror is designed for laser cavity output coupling in the 720–890 nm wavelength range. Our OC.20 coating and the 3-mm thickness of the substrate are carefully designed and manufactured to deliver minimum pulse dispersion and wide bandwidth. A broadband antireflection coating on the second surface of the output coupler reduces unwanted secondary reflections. 12.7 and 25.4 mm diameters are available. SL Series Gimbal Optical Mounts page 733 VGM Series Gimbal Optical Mounts with NanoPZ Actuators page 726 and page 998

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