Cube Beamsplitters, FOCtek

Cube beamsplitters are constructed by cementing two precision right angle prism together with appropriate interference coating on the hypotenuse surface. The absorption loss to the coating is minimal transmission and reflection approach 50% (average) though output is partially polarized. If polarization sensitivity is critical, FOCtek's Polarization Cube Beamsplitters or Non-polarization Cube Beamsplitters maybe the right choice for you.
 

Specification:

Material:-------------- BK7 grade A, optical glass
Dimension Tolerance: ----------±0.2mm
Flatness:----------------------------λ/4 @ 632.8 nm
Surface Quality: 60-40 scratch and dig
T/R: ----------50/50±5%, for random polarization
----------------------T=(Ts+Tp)/2, R=(Rs+Rp)/2
Beam Deviation:--------------------- <3 arc minutes
Coating:
Hypotenuse face:---------------------------Partial reflectance
All input and output faces:---------------------AR Coating
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

Size (mm)

Narrow Band

Broadband

Part No.

Part No.

3.2x3.2x3.2

BSC1101

BSC1201

5x5x5

BSC1102

BSC1202

10x10x10

BSC1103

BSC1203

12.7x12.7x12.7

BSC1104

BSC1204

15x15x15

BSC1105

BSC1205

20x20x20

BSC1106

BSC1206

25.4x25.4x25.4

BSC1107

BSC1207

 

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