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Ultrafast Laser High Reflecting Pump Mirrors

Ultrafast Laser High Reflecting Pump Mirrors
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Ultrafast Laser High Reflecting Pump Mirrors - 1

616 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 Ultrafast Laser High Reflecting Pump Mirrors • Minimum pulse dispersion • R >99% from 710–890 nm • T >95% from 488–532 nm for pump laser This mirror is intended for use as a high reflector while allowing transmission of an Argon or frequency doubled Nd:YAG pump laser. A modified single stack dielectric coating design features maximum bandwidth and minimum pulse dispersion. Precision polished BK 7 substrates are offered with flat or concave mirror surfaces in 12.7 or 25.4 mm diameters. A broadband visible antireflection coating is deposited on the mirror's second surface to allow maximum transmission of pump laser energy in the 488-532 nm range. Specifications Material BK 7, grade A, fine annealed optical glass S1 Surface Accuracy, Plano ë/10 flatness at 632.8 nm over the clear aperture S1 Surface Accuracy, Concave ë/5 irregularity at 632.8 nm over the clear aperture Surface Flatness, 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 Flat mirror: +0/-0.13 mm Concave mirror: +0/-0.25 mm Thickness Tolerance ±0.25 mm (except 10B20, ±0.38 mm) Wedge Flat mirror, 30 ±15 arc min Chamfers 0.25-0.76 mm face width x 45° ±15° Angle of Incidence 0–15° S1 Coating UF.20, Rs, Rp >99%, 710–890 nm Ts, Tp >95%, 488–532 nm, 0–20° AOI S2 Coating AR.14 broadband, multilayer antireflection coating Ravg <0.5%, 430–700 nm, 0–15° AOI Durability MIL-C-675C, moderate abrasion Cleaning Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended (see page 622) Reflectance (%) UF.20 Typical 100 98 96 94 92 90 650 700 0° 750 Wavelength (nm) 800 850 900 950 GVD (fsec2) UF.20 Calculated GVD 50 40 30 20 10 0 -10 -20 -30 -40 -50 700 750 800 Wavelength (nm) 850 900 Cubic Term (fsec3) 140 120 100 80 60 40 20 0 700 750 800 Wavelength (nm) 850 900 UF.20 Calculated Cubic Term C ø A ø B S1 S2 R Dimension (mm) Model øA øB C 05B 12.7 10.2 9.53 05BV 12.7 10.2 9.53 10B 25.4 20.3 6.10 10BV 25.4 20.3 6.35 Ordering Information Model Diameter (mm) R (mm) EFL (mm) f/# 05B20UF.20 12.7 FLAT 05BV10UF.20 12.7 100 50 3.9 05BV50UF.20 12.7 500 250 19.7 05BV100UF.20 12.7 1000 500 39.4 05BV200UF.20 12.7 2000 1000 78.7 10B20UF.20 25.4 FLAT 10BV10UF.20 25.4 100 50 2.0 10BV50UF.20 25.4 500 250 9.8 10BV100UF.20 25.4 1000 500 19.7 10BV200UF.20 25.4 2000 1000 39.4 SUPREMA® Series Optical Mounts page 637 SL Series Gimbal Optical Mounts with NanoPZ Actuators page 667 and see page 834

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