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Beamsplitters
Beamsplitter Plates

Plate beamsplitter consists of thin window. When using it, the two partial beams travel different optical paths. And the optical paths are decided on the thickness of plates and the incident angle.   

Specifications
MaterialBK7 or others
Dimension Tolerance+0.0, -0.1mm
Thinckness Tolerance+/-0.1mm
Clear Aperture>90%
Parallelism30 arc sec
Surface Quality40-20 S/D
Flatnessλ/8@632.8nm
CoatingT/R=50/50±5% or others

 

Beamsplitter Cubes

Cube beamsplitters are constructed by cementing two right angle prisms together with the appropriate interference coating on hypotenuse. The absorption loss to the coating is minimal. Transmission and reflection approach 50% (average) though the output is partially polarized.

Specifications
MaterialBK7
Dimension Tolerance+0.0, -0.1mm
Clear Aperture>90%
Deviation1 arc min
Surface Quality40-20 S/D
Flatnessλ/8@632.8nm
CoatingT/R=50/50±5% or others

 

Polarizing Beamsplitter Cubes

Polarizing cube beamsplitters split randomly polarized beams into two orthogonal, linearly polarized components: S-polarized light is reflected at a 90 deg angle while P-polarized light is transmitted. Each beamsplitter consists of a pair of precision high tolerance right angle prisms cemented together with a dielectric coating on the hypotenuse of one of the prisms. A multi-layer antireflective coating has been applied to each face of the beamsplitter in order to produce maximum transmission efficiency.

Specifications
MaterialBK7
Dimension Tolerance+0.0, -0.1mm
Clear Aperture>90%
Deviation1 arc min
Surface Quality40-20 S/D
Flatnessλ/8@632.8nm
CoatingTp>98% & Ts<1%  Extinction ratio>150:1

 

Penta Beamsplitters

By adding a wedge and with partial reflective coating on one of the leaning surfaces of penta prisms, it can be used as a beamsplitter. It is often used in plumb level,  surveying, alignment, rangefinding and optical tooling.

Specifications
MaterialBK7
Dimension Tolerance+0.0, -0.1mm
Clear Aperture>90%
90°Deviation5 arc sec
180°Deviation10 arc sec
Surface Quality40-20 S/D
Flatnessλ/8@632.8nm
CoatingT/R=50/50±5% or others

 

Toptec Optics, Inc.

Tel:+86-591-8347 7500

Fax:+86-591-8347 7600

Email:sales@toptecoptics.com

24 Baihuazhou Road,Pushang Industrial Park,Fuzhou 350008,China

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