Chromium Half-Mirror Plate Beamsplitters

PSCH

Chromium Half-Mirror Plate Beamsplitters
In stock
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PSCH
Chromium plate half mirrors are plate beamsplitters that are coated with chromium (Cr) on the front surface of optical parallels or wedged substrates. The other surface is coated with multi-layer anti-reflection.
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Name Design wavelength Diameter φD Delivery Price Add to cart
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Chromium Plate Half Mirror 30mm Diameter Wedged 400 - 700nm
PSCH-30C05-10W-550
400 - 700nm 30mm
2 weeks
$145.35
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ30mm
Thickness t 5mm
Wedge angle W 1°±5′
i
Chromium Plate Half Mirror 50mm Diameter Wedged 400 - 700nm
PSCH-50C08-10W-550
400 - 700nm 50mm
2 weeks
$222.87
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ50mm
Thickness t 8mm
Wedge angle W 1°±5′
i
Chromium Plate Half Mirror 100mm Diameter Wedged 400 - 700nm
PSCH-100C15-10W-550
400 - 700nm 100mm
6-12 weeks
$736.44
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ100mm
Thickness t 15mm
Wedge angle W 1°±5′
i
Chromium Plate Half Mirror 30mm Diameter Wedged 750 - 850nm
PSCH-30C05-10W-800
750 - 850nm 30mm
in stock
$222.87
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 750 - 850nm
Diameter φD φ30mm
Thickness t 5mm
Wedge angle W 1°±5′
i
Chromium Plate Half Mirror 25.4mm Diameter 400 - 700nm
PSCH-25.4C03-10-550
400 - 700nm 25.4mm
2 weeks
$132.60
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ25.4mm
Thickness t 3mm
Parallelism <5″
i
Chromium Plate Half Mirror 40mm Diameter 400 - 700nm
PSCH-40C04-10-550
400 - 700nm 40mm
2 weeks
$184.11
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ40mm
Thickness t 4mm
Parallelism <5″
i
Chromium Plate Half Mirror 60mm Diameter 400 - 700nm
PSCH-60C06-10-550
400 - 700nm 60mm
2 weeks
$281.01
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ60mm
Thickness t 6mm
Wedge angle W <5″
i
Chromium Plate Half Mirror 25.4mm Diameter 750 - 850nm
PSCH-25.4C03-10-800
750 - 850nm 25.4mm
2 weeks
$183.60
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 750 - 850nm
Diameter φD φ25.4mm
Thickness t 3mm
Parallelism <5″
i
Chromium Plate Half Mirror 50mm Diameter 750 - 850nm
PSCH-50C05-10-800
750 - 850nm 50mm
in stock
$339.15
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 750 - 850nm
Diameter φD φ50mm
Thickness t 5mm
Parallelism <5″
i
Chromium Plate Half Mirror 30mm Diameter 400 - 700nm
PSCH-30C03-10-550
400 - 700nm 30mm
2 weeks
$145.35
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ30mm
Thickness t 3mm
Parallelism <5″
i
Chromium Plate Half Mirror 50mm Diameter 400 - 700nm
PSCH-50C05-10-550
400 - 700nm 50mm
2 weeks
$222.87
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ50mm
Thickness t 5mm
Wedge angle W <5″
i
Chromium Plate Half Mirror 100mm Diameter 400 - 700nm
PSCH-100C10-10-550
400 - 700nm 100mm
6-12 weeks
$736.44
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 400 - 700nm
Diameter φD φ100mm
Thickness t 10mm
Parallelism <5″
i
Chromium Plate Half Mirror 30mm Diameter 750 - 850nm
PSCH-30C03-10-800
750 - 850nm 30mm
in stock
$222.87
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 750 - 850nm
Diameter φD φ30mm
Thickness t 3mm
Parallelism <5″
i
Chromium Plate Half Mirror 50mm Diameter Wedged 750 - 850nm
PSCH-50C08-10W-800
750 - 850nm 50mm
in stock
$339.15
Material BK7
Surface flatness λ/10
Coating Front surface ; Chromium
Rear surfaces ; Multilayer antireflection coating
Incident angle 45°
Transmittance <br> (Average P and S) 30±5% (average with respect to wavelength.)
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.25J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 40-20
Wavelength range 750 - 850nm
Diameter φD φ50mm
Thickness t 8mm
Wedge angle W 1°±5′

You must be logged in to ask questions

◦Half mirror divides input beam into reflectance and transmittance ratio of 1:1. A beamsplitter of R:T=1:1 is called “Half Mirror”.
◦Approximately one third of the input beam is lost because of the absorption of chromium. However these beamsplitters do not depend on wavelength, polarization and angle of incidence of the input beam, and provide a highly neutral reflectivity.
◦Plate beamsplitters have beam deviations on transmission and ghost on rear surface reflections. Wedged substrates are used to prevent ghosting.

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