MSE PRO™ BK7 Broadband Non-Polarizing Cube Beamsplitters

MSE supplies offers BK7 Broadband Non-Polarizing Cube Beamsplitters. The mixed layer of the broadband non-polarizing prism has a certain absorption of light energy, but it is not sensitive on the polarization state. The same spectral characteristic can be maintained at wide wavelengths, and is suitable for tunable lasers. Mixed splitter film pair is insensitive about the change of incidence angle. Considering the metal properties in the hybrid coating, it is recommended to use it at in the laser environment not very powerful.

MSE Supplies can offer a variety of optical elements, with different focal length and coating options. Please contact us for customization or bulk orders.

Technical Data:

Material	BK7 ﬁne annealed optical glass
Diameter Tolerance	±0.15mm
Flatness	λ/4 at 632.8nm
Surface Quality	60-40 scratch-dig
Clear Aperture	>90% dimension
R/T	Tp,s=43%±10% Rp,s=43%±10% ∣Ts-Tp∣≤10%,∣Rs-Rp∣≤10%,
Beam Deviation	0º±3’ (T), 90º±5’(R)
Incidence angel	0º±2º
Coating	Broadband non-polarization partial on hypotenuse face. Coating of outside surfaces: multilayer AR V-coatings, R_ave<0.5%
Temperature Range	-30℃ to +70℃
Wavelength (nm)	450-650
a=b=c	12.7

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