40.0×40.0x40.0mm 400-700nm NPBS Cube(50:50)

P/N: NPBSC-VIS-40.0

These cubes provide a 50:50 split ratio and to work over a broad wavelength range of 400-700nm. The entrance and exit surfaces are anti-reflection coated while the diagonal internal surface has the broadband beam splitting coating.

Substrate Material:	BK7 Optical Glass
Outer Dimension:	40.0×40.0x40.0, +/-0.2mm
Surface Quality:	40/20 scratch and dig
Flatness:	<Lambda/10 over 90% on all optical surfaces at 635nm
Splitter Coating:	Full-dielectric coating, non-pol
Max. Transmitted Beam Deviation:	<5 arc minutes
Reflected Beam Deviation:	90 deg,+/-5 arc minutes
Broadband AR Coating:	All 4 input/out surfaces(R<0.5% max at 400-700nm, 0-deg AOI)
Wavelength Range:	400-700nm
Clear Aperture:	>85% of outer dimension
Transmission Spectrum:
Reflection Spectrum(AR coating) :
Splitter Ratio Tolerance:	<15% over entire wavelength range  |Ts-Tp|<15% and |Rs-Rp|<15%
Durability:	MIL-M-13508C, MIL-C-675C, MIL-C-14806

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