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Polarizing Beam Splitter Cubes

ATF polarizing beam splitter cubes are derived from a unique combination of IBS coatings, ultraprecise fabrication capabilities and our patent-pending, epoxy-free bonding technology—Chemically Activated Direct Bonding™ (CADB®) which results in a zero-bondline thickness. In addition to the standard sizes and wavelengths shown, we can produce high-energy cube beamsplitters from 1×1 mm2 in size, and in a wide variety of materials including fused silica, BK7, YAG, and other optical glasses and crystals.

Whether you need 10 or 10,000 pieces, our precision wafer-based processes result in high yields and competitive costs, especially at higher volumes. These high-precision assemblies have been widely used in telecommunications, semi-conductor and biomedical applications where transmission efficiency, extinction ratio and wavefront quality are all critical specifications.

All of our polarizing beam splitter cubes are epoxy free, making them suitable for high power applications with energy densities exceeding 10 J/cm2 at 1064 nm, including the super-broad bandwidth polarizer and the broadband, low dispersion prism polarizers shown below. Both of these polarizing beam splitters are fused silica, designed with 12.7mm x 12.7mm input faces and offer average transmission near 98% and average extinction ratios greater than 10,000:1!

Applications for the PBS-GVD low dispersion polarizer include regenerative amplifiers and optical isolators for ultrafast lasers, optical coherence tomography, microscopy, and imaging. The innovative shape of the prisms allows ultra-broadband pulses to travel in and out of the polarizer without refraction, thus avoiding spatial dispersion of the broadband pulse (prism effect).

High Energy Laser Line Polarizing Cubes

Model NumberPBS1025-FYPBS1005-FYPBS1005-DYPBS1005-TY
Part NumberClick here to
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PBSI-1064-050PBSI-532-050PBSI-355-050
TypeLaser LineLaser LineLaser LineLaser Line
Wavelength1064 nm1064 nm532 nm355 nm
Reflection>99.9%>99.9%>99.85%>99.8%
Transmission>97%>97%>96%>95%
Extinction Ratio, Tp/Ts>1,000:1>1,000:1>750:1>500:1
AR Coating<0.20% per surface<0.20% per surface<0.20% per surface<0.20% per surface
Surface Flatnessλ/10λ/10λ/10λ/10
Wavefront Distortionλ/10 transmitted
λ/4 reflected
λ/10 transmitted
λ/4 reflected
λ/10 transmitted
λ/4 reflected
λ/10 transmitted
λ/4 reflected
Reflected Beam90°90°90°90°
Scratch-Dig20-1010-510-510-5
Transmitted Beam Deviation< 5 arcmin< 3 arcmin< 3 arcmin< 3 arcmin
Damage Threshold>10 J/cm2 @ 1064 nm>10 J/cm2 @ 1064 nm>4 J/cm2 @ 532 nm>2 J/cm2 @ 355 nm
Size.25" x .25" x .25"0.5" x 0.5" x 0.5"0.5" x 0.5" x 0.5"0.5" x 0.5" x 0.5"
MaterialFused SilicaFused SilicaFused SilicaFused Silica
Price*$330$850$850$850

* For international prices, add 10%.

High Energy Broadband Polarizing Cubes

Model NumberPBS1005-SBBPBS1005-GVD
TypeBroadbandLow Dispersion**
Wavelength400-1100 nm680-1080 nm
Reflection Efficiency, Rs>99.9%>99.9%
Avg. Transmission, Tp>97%>97%
Extinction Ratio, Tp/Ts2,000:1> 2,000:1
Avg. Extinction Ratio>10,000:1>10,000:1
AR Coating<1.5% avg per surface
(transmitted beam)
<1% avg per surface
Surface Flatnessλ/10λ/10
Wavefront Distortionλ/10 transmitted λ/4 reflectedλ/10 transmitted
Scratch-Dig20-1020-10
Reflected Beam126°No refraction
Transmitted Beam Deviation< 3 arcmin< 3 arcmin
Damage Threshold>10 J/cm2 @ 1064 nm>10 J/cm2 @ 1064 nm
Size0.5" x 0.5" x 0.77"0.5" x 0.75" x 0.87"
MaterialFused SilicaFused Silica
Price*$1,275$1,100

**Coating only

* For international prices, add 10%.

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303-815-1545
atfilms@idexcorp.com

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