O p t i c s 579 Email: [email protected] • Web: newport.com WINDOWS BEAMSPLITTERS OPTICAL FILTERS POLARIZATION OPTICS DIFFRACTION GRATINGS HIGH-ENERGY OPTICS ULTRAFAST LASER OPTICS ACCESSORIES Laser Line Polarizing Cube Beamsplitters Laser line polarizing cube beamsplitters provide efficient narrowband polarization for higher power lasers. Their extinction ratio is better than 1000:1, and they are recommended for use in pulsed laser systems and for purifying polarization in multimode, highpower lasers. • Optimized for higher-power lasers • Extinction ratio >1000:1 • Low wavefront distortion Specifications Material BK 7, grade A, fine annealed optical glass Wavefront Distortion ë/4 at 632.8 nm over the clear aperture Clear Aperture Central diameter, >80% of dimension Surface Quality 20-10 scratch-dig Efficiency Tp >95%, Rs >99.8% Extinction Ratio Tp/Ts >1,000:1 (PC.1 and PC.2 >500:1) Transmitted Beam Deviation 5 arc min Reflected Beam Deviation 90° ±5 arc min Angle of Incidence 0° ±3° Dimensions Tolerance ±0.25 mm Antireflection Coating Multilayer coating, R <0.25% per surface Temperature Range -50 °C–90 °C Durability MIL-M-13508, MIL-C-675C, MIL-C-14806 Cleaning Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended (see page 622) Cemented optic, do not immerse in a solvent Damage Threshold 2 kW/cm2 CW, 1 J/cm2 with 10 nsec pulses at 10 Hz P P S S NOTE: To avoid damage, beam must enter prism on the side marked with a dot. P S Normalized Wavelength Transmission (%) 100 10 1 0.1 0.01 0.9 1.0 1.1 Typical Ordering Information PC.x Wavelength (nm) Model Dimensions 12.7 mm Model Dimensions 25.4 mm 441–458 05BC16PC.1 10BC16PC.1 488–514.5 05BC16PC.2 10BC16PC.2 532 05BC16PC.3 10BC16PC.3 632.8 05BC16PC.4 10BC16PC.4 670 05BC16PC.12 10BC16PC.12 780 05BC16PC.6 10BC16PC.6 830 05BC16PC.7 10BC16PC.7 1064 05BC16PC.9 10BC16PC.9 1300 05BC16PC.10 10BC16PC.10 1550 05BC16PC.11 10BC16PC.11 CH Series Cube Holders page 694 RM25A Polarization Rotation Mount with CH-0.5 Cube Beamsplitter Holder in ULTIMA® Optical Mount Availability – Guaranteed on select items @ newport.com
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