Broadband Non-Polarizing Cube Beamsplitters
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Catalog excerpts

O p t i c s 547 Email: [email protected] • Web: newport.com WINDOWS BEAMSPLITTERS OPTICAL FILTERS POLARIZATION OPTICS DIFFRACTION GRATINGS HIGH-ENERGY OPTICS ULTRAFAST LASER OPTICS ACCESSORIES Broadband Non-Polarizing Cube Beamsplitters Our broadband non-polarizing hybrid cube beamsplitters are ideal for use with multiple lasers or tunable lasers. Incoming beams are both transmitted and reflected 45%, with the s- and p-polarized components matched to within 10%. These cube beamsplitters are available in 6.35, 12.7, 25.4, and 50.8 mm sizes for 400-700, 700-1100, and 1100-1600 nm ranges. • Metal-dielectric hybrid coating • Even split of laser power • Broadband and chromatically neutral • Insensitive to polarization 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 40-20 scratch-dig Transmission Ts,p = 45 ±5% average, 35% T>s,p 55% Reflection Rs,p = 45 ±5% average, 35% Rs,p 55% Polarization S- and P-polarization components matched to within 10%, |Ts - Tp| 10%, |Rs - Rp| 10% Absorption 10% average Transmitted Beam Deviation 5 arc min Reflected Beam Deviation 90° ±5 arc min Angle of Incidence 0° ±5° Dimensions Tolerance ±0.25 in. Antireflection Coating Broadband, multilayer coating, R <0.5% Temperature Range -50 °C–90 °C Durability MIL-M-13508C, 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 100 W/cm2 CW, 0.1 J/cm2 with 10 nsec pulses, typical S S S P P P NOTE: To avoid damage, beam must enter prism on the side marked with a dot. Ordering Information Model Wavelength Range (nm) Dimensions (mm) 02BC17MB.1 400–700 6.35 05BC17MB.1 400–700 12.7 10BC17MB.1 400–700 25.4 20BC17MB.1 400–700 50.8 02BC17MB.2 700–1100 6.35 05BC17MB.2 700–1100 12.7 10BC17MB.2 700–1100 25.4 20BC17MB.2 700–1100 50.8 02BC17MB.3 1100–1600 6.35 05BC17MB.3 1100–1600 12.7 10BC17MB.3 1100–1600 25.4 20BC17MB.3 1100–1600 50.8 Availability – Guaranteed on select items @ newport.com

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