Polarization beamsplitter cube

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Polarization beamsplitter cube
Posting date : Nov 19, 2007
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70-
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Polarization beamsplitter cube Thin film stacks, deposited on the internal surface of a cube beamsplitter can produce effective polarizers. The coatings are designed to provide almost total reflection of the s-component and a very high transmission of the p-component. They operate over a broad spectral bandwidth. A useful extinction ratio 500:1 can be obtained using high index SF2 glass. This extinction ratio covers a bandwidth of either 440-680 nm, 650-1000 nm, 900-1400 nm or 1200-1600 nm, centred on 550, 800, 1000 and 1400 nm respectively. A lower cost form of polarizing beamsplitter can be supplied for the visible bandwidth using BK7 glass a substrate. Our ability can be up to: Material: SF2, BK7A or other materials Dimension: 2 x 2 x 2mm -300 x 300 x 300mm Dimension tolerance: ±0.1 T/R ratio: specified by customers Wavelength Range: 250-2500 nm Parallelism: <10 arc second Beam deviation: <3 arc minute Flatness: λ/10@632.8nm Surface Quality:20-10 or better Coating: specified by customers For more information about our company and our products, pls kindly visit our website: www.dhoptics.com

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