Dielectric Plate Beamsplitters

PSM

Dielectric Plate Beamsplitters
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PSM
Plate-type beamsplitters are dielectric multi-layer coatings on a parallel plate or a wedge substrate. They are designed to divide beams at a reflected light (R) : transmission light (T) ratio of 1:2 or 1:3. The rear surface is coated with anti-reflection (AR).
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Name Design wavelength Diameter φD Delivery Price Add to cart
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Dielectric Plate Beamsplitter Wedged 30mm Diameter 1:2
PSM33-30C05-10W-550
400 - 700nm 30mm
6-12 weeks
$250.00
Material BK7
Surface flatness λ/10
Coating Front surface ; Dielectric multilayer coating
Rear surfaces ; Multilayer antireflection coating
Wavelength Range 400 - 700nm
Incident angle 45°
Laser Damage Threshold 2.1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 10−5
Reflectance : Transmittance 1:2
Diameter φD φ30mm
Thickness t 5mm
Wedge angle W 1°±5′
Transmittance at 550nm <sup>*</sup> 67±3%
Transmittance at 400・700nm <sup>*</sup> <80%
Availability Please contact
i
Dielectric Plate Beamsplitter Wedged 30mm Diameter 1:3
PSM25-30C05-10W-550
400 - 700nm 30mm
2 weeks
$250.00
Material BK7
Surface flatness λ/10
Coating Front surface ; Dielectric multilayer coating
Rear surfaces ; Multilayer antireflection coating
Wavelength Range 400 - 700nm
Incident angle 45°
Laser Damage Threshold 2.1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 10−5
Reflectance : Transmittance 1:3
Diameter φD φ30mm
Thickness t 5mm
Wedge angle W 1°±5′
Transmittance at 550nm <sup>*</sup> 75±3%
Transmittance at 400・700nm <sup>*</sup> <90%
Availability Please contact
i
Dielectric Plate Beamsplitter 25.4mm Diameter 1:2
PSM33-25.4C03-10-550
400 - 700nm 25.4mm
6-12 weeks
$250.00
Material BK7
Surface flatness λ/10
Coating Front surface ; Dielectric multilayer coating
Rear surfaces ; Multilayer antireflection coating
Wavelength Range 400 - 700nm
Incident angle 45°
Laser Damage Threshold 2.1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 10−5
Reflectance : Transmittance 1:2
Diameter φD φ25.4mm
Thickness t 3mm
Parallelism <5″
Transmittance at 550nm <sup>*</sup> 67±3%
Transmittance at 400・700nm <sup>*</sup> <80%
Availability Please contact
i
Dielectric Plate Beamsplitter 25.4mm Diameter 1:3
PSM25-25.4C03-10-550
400 - 700nm 25.4mm
6-12 weeks
$250.00
Material BK7
Surface flatness λ/10
Coating Front surface ; Dielectric multilayer coating
Rear surfaces ; Multilayer antireflection coating
Wavelength Range 400 - 700nm
Incident angle 45°
Laser Damage Threshold 2.1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 10−5
Reflectance : Transmittance 1:3
Diameter φD φ25.4mm
Thickness t 3mm
Parallelism <5″
Transmittance at 550nm <sup>*</sup> 75±3%
Transmittance at 400・700nm <sup>*</sup> <90%
Availability Please contact
i
Dielectric Plate Beamsplitter 30mm Diameter 1:2
PSM33-30C03-10-550
400 - 700nm 30mm
6-12 weeks
$250.00
Material BK7
Surface flatness λ/10
Coating Front surface ; Dielectric multilayer coating
Rear surfaces ; Multilayer antireflection coating
Wavelength Range 400 - 700nm
Incident angle 45°
Laser Damage Threshold 2.1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 10−5
Reflectance : Transmittance 1:2
Diameter φD φ30mm
Thickness t 3mm
Parallelism <5″
Transmittance at 550nm <sup>*</sup> 67±3%
Transmittance at 400・700nm <sup>*</sup> <80%
Availability Please contact
i
Dielectric Plate Beamsplitter 30mm Diameter 1:3
PSM25-30C03-10-550
400 - 700nm 30mm
6-12 weeks
$250.00
Material BK7
Surface flatness λ/10
Coating Front surface ; Dielectric multilayer coating
Rear surfaces ; Multilayer antireflection coating
Wavelength Range 400 - 700nm
Incident angle 45°
Laser Damage Threshold 2.1J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 10−5
Reflectance : Transmittance 1:3
Diameter φD φ30mm
Thickness t 3mm
Parallelism <5″
Transmittance at 550nm <sup>*</sup> 75±3%
Transmittance at 400・700nm <sup>*</sup> <90%
Availability Please contact

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◦The dielectric multi-layer films have virtually zero light absorption and very low light intensity loss. However, transmittance and reflectance may vary according to wavelength, polarization and incident angles. Some deviation of the transmission optical path or ghosting may occur. To prevent ghosting, use wedge beamsplitters.