22 Mar 2011 The specification of Beamsplitter as follow:
> Material: BK7 Grade A or equivalent Optical Glass
> Dimension Tolerance: ± 0.2mm
> Flatness: L/4 @ 632.8 nm
> Surface Quality: 60/40 scratch and dig
> T/R: 50/50± 5% for natural light
T=(Ts+Tp)/2, R=(RS+RP)/2, (Ts≠ Tp, RS≠ RP)
> Beam Deviation: <3 arc minutes
> Coatings: (incidence angle: 45 degree)
Partial reflectance on hypotenuse face
AR-coatings on all input and output face
> Standard Coating wavelength:
Narrow Band: 488, 532, 632.8, 650, 808, 850, 980, 1064, 1310, 1550 nm
Broadband: 450-650, 650-900, 900-1200, 1200-1550, 1500-1610 nm
> Note: Special size, split ratio and coating are available upon request.
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