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Laser Line Non-Polarizing Cube Beamsplitters

Laser Line Non-Polarizing Cube Beamsplitters
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Laser Line Non-Polarizing Cube Beamsplitters - 1

O p t i c s 549 Email: sales@newport.com • Web: newport.com WINDOWS BEAMSPLITTERS OPTICAL FILTERS POLARIZATION OPTICS DIFFRACTION GRATINGS HIGH-ENERGY OPTICS ULTRAFAST LASER OPTICS ACCESSORIES Laser Line Non-Polarizing Cube Beamsplitters Our laser line non-polarizing cube beamsplitters provide true 50/50 beamsplitting without altering the beam polarization, with the s- and p-polarized components matched to within 3%. They are available for ten common laser wavelengths and are offered in 12.7 and 25.4 mm sizes. • Insensitive to polarization • Virtually zero absorption for true 50/50 beamsplitting • 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 Transmission 50 ±3%, independent of polarization Reflection 50 ±3%, independent of polarization Polarization S- and P-polarization components matched to within 3%, |Ts - Tp| 3%, |Rs - Rp| 3% Transmitted Beam Deviation 5 arc min Reflected Beam Deviation 90° ±5 arc min Angle of Incidence 0° ±2° Dimensions Tolerance ±0.25 mm Antireflection Coating Multilayer coating, R <0.5% Temperature Range -50 °C to 90 °C 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) Cemented optic, do not immerse in a solvent Damage Threshold 2 kW/cm2 CW, 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. 0.8 0.9 1.0 1.1 1.2 100 75 50 25 0 Normalized Transmission (%) P S Typical NP.x Laser line non-polarizing beamsplitters are also available in 25.4 mm diameter plate beamsplitters, see page 545. Ordering Information Wavelength (nm) Model Dimensions 12.7 mm Model Dimensions 25.4 mm 441.6 05BC16NP.1 10BC16NP.1 488–514.5 05BC16NP.2 10BC16NP.2 532 05BC16NP.3 10BC16NP.3 632.8 05BC16NP.4 10BC16NP.4 670 05BC16NP.5 10BC16NP.5 780 05BC16NP.6 10BC16NP.6 830 05BC16NP.7 10BC16NP.7 1064 05BC16NP.9 10BC16NP.9 1300 05BC16NP.10 10BC16NP.10 1550 05BC16NP.11 10BC16NP.11 RM25 Polarizer Rotation Mount with CH-0.5 Cube Beamsplitter Holder in ULTIMA Optical Mount 488 Series Lab Jack with Rotary Platform page 918

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