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Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm PBS623

PBS623
$379.49
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Broadband PBS 900-1300 nm — Model PBS623

N-SF1, optimized for 900 nm-1300 nm, cube size 12.7 mm×12.7 mm×12.7 mm, extinction ratio >1000:1.

Overview

Unmounted broadband polarizing beamsplitter cube with AR coating (900nm-1300nm, Ravg<0.5%) on all four faces. One right-angle prism is coated on its hypotenuse with a beamsplitter film; the coated prism is marked with a pencil dot on its ground top face. For optimal optical performance, the input beam should enter normally on the right-angle face of the coated prism. LBTEK also offers cube-mount adapters (e.g., CM-3) that hold the 25.4 mm cube and provide compatibility with 30 mm cage systems.

Key Features

  • Extinction ratio (Tp:Ts) >1000:1
  • Spectroscopic film: Tp>90%, Rs,avg >95%
  • AR coating: Ravg<0.5% (6°angle of incidence, per surface)
  • Optical coatings: AR coating + beamsplitter film
  • Transmitted wavefront error: λ/4
  • Surface quality: 40/20
  • Beam deviation: transmission: 0°± 5 arcmin; reflection: 90°± 5 arcmin;
  • Substrate: N-SF1

Applications

  • Laser polarization control and beam separation
  • Interferometry and polarimetry setups
  • Optical isolators and magneto-optic modulators
  • Polarization-sensitive imaging and spectroscopy
  • High-contrast laser systems requiring stable extinction
Optical component materialN-SF1
Size12.7 mm×12.7 mm×12.7 mm
Dimensional tolerance±0.25 mm
Clear Aperture80% CA
Operating Wavelength900 nm-1300 nm
CoatingAR coating + beamsplitter film
Anti-reflective coatingRavg<0.5% (6°angle of incidence, per surface)
Spectroscopic filmTp>90%, Rs,avg >95%
Extinction ratio (Tp:Ts)>1000:1
Surface finish (scratches/pits)40/20
Transmitted Wavefront Error (TWE) (@633 nm)λ/4
Surface Flatness (@633 nm)λ/4
Exit angletransmission: 0°± 5 arcmin; reflection: 90°± 5 arcmin;
Specification Sheet PDF — Download
CAD Drawing Download
3D Model (STL) STL — Download
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Product Family: Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm (8 variants)

Product ▴▾ SKU Size ▴▾ Clear Aperture ▴▾ Operating Wavelength ▴▾
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm PBS643 PBS643 25.4 mm×25.4 mm×25.4 mm 80% CA 900 nm-1300 nm View
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm PBS653 PBS653 50.8 mm×50.8 mm×50.8 mm >80% CA 900 nm-1300 nm View
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm PBS633 PBS633 20.0 mm×20.0 mm×20.0 mm 80% CA 900 nm-1300 nm View
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm PBS623 Current PBS623 12.7 mm×12.7 mm×12.7 mm 80% CA 900 nm-1300 nm
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm PBS613 PBS613 10.0 mm×10.0 mm×10.0 mm 80% CA 900 nm-1300 nm View
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm PBS603 PBS603 5.0 mm×5.0 mm×5.0 mm 80% CA 900 nm-1300 nm View
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm MPBS643 MPBS643 25.4 mm×25.4 mm×25.4 mm 80% CA 900 nm-1300 nm View
Broadband Polarizing Beamsplitter Cubes, AR Coating: 900 nm-1300 nm MPBS633 MPBS633 20.0 mm×20.0 mm×20.0 mm >80% CA 900 nm-1300 nm View