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Beamsplitter

Beamsplitter is an optical component widely used to split the incident light into two separate beams at a designated ratio. This is developed from high grade glass materials having laser grade surface flatness. It comes with high surface quality for tighter tolerance. It is widely used to join two different beams into a single one. It is designed to offer general purpose laser beamsplitting as well as merging visible through near infrared usages.

It is available in two types as per their construction such as cube or plate. Cube beamsplitter is available in polarizing as well as non-polarizing models. On the other hand, the plate beamsplitter is available with a coated front surface to determine the beam splitting ratio as the back surface is wedged as well as AR coated for minimizing the ghosting along with interference effects.

Features of Beamsplitter:

1) Provides excellent wave front transmission property.
2) Ensure to remove beam offset and ghosting.
3) Highly compatible with different lens tube and cage systems.
4) Highly valuable to be used for combining laser beams of different colors.
Non-Polarizing Cube Beamsplitter
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Non-Polarizing Cube Beamsplitter
40
  • Material: N-BK7
  • Dimension: +/-0.10mm
  • Clear aperture: >90% of dimension
  • Beam deviation: +/- 3 minutes
  • Surface quality: 60-40 scratch and dig
  • Flatness: λ/4@632.8nm
  • Bevel: < 0.3mm x 45°
Beamsplitter Plate
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Beamsplitter Plate
38
  • Material: N-BK7, grade A fine annealed
  • Diameter: +0/-0.20mm
  • Clear aperture: >90% of diameter
  • Thickness: +/-0.10mm
  • Parallelism: < 3 arc minutes
  • Surface quality: 60-40 scratch and dig
  • Flatness: λ/4@632.8nm
Polarizing Cube Beam Splitter
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Polarizing Cube Beam Splitter
39
  • Material: N-BK7
  • Dimension: +/-0.2mm
  • Clear aperture: 90% of dimension
  • Beam deviation: +/- 3 arc minutes
  • Surface quality: 60-40 scratch and dig
  • Surface accuracy: Lambda/4@632.8nm
  • AR coating: R < 0.25% per surface
  • Transmission: Tp > 95%
  • Reflection: Rs > 99.5%
  • Extinction Ratio:  Tp/Ts > 1000:1
  • Bevel: 0.2-0.3mm x 45 deg


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