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Non-polarizing Cube Half Mirrors

NPCH

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Non-polarizing Cube Half Mirrors
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NPCH
Half mirrors have an even 1:1 ratio of reflection and transmission in both linear polarized light and normal light source.
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Name Design wavelength Length Material Transmittance Delivery Price Add to cart
i
Non-polarizing Cube Half Mirror BK7 20mm 780nm
NPCH-20-7800 		780nm 20mm BK7 50±5%
6-12 weeks
£320.90
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 780nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 20mm 830nm
NPCH-20-8300 		830nm 20mm BK7 50±5%
6-12 weeks
£320.90
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 830nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror Synthetic fused silica 15mm 266nm
NPCH-15-2660 		266nm 15mm Synthetic fused silica 50±10%
1 week
£477.90
Material Synthetic fused silica
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 266nm
A＝B＝C 15mm
Transmittance 50±10%
i
Non-polarizing Cube Half Mirror BK7 20mm 1064nm
NPCH-20-10640 		1064nm 20mm BK7 50±5%
6-12 weeks
£347.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1064nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror Synthetic fused silica 15mm 355nm
NPCH-15-3550 		355nm 15mm Synthetic fused silica 50±7%
1 week
£477.90
Material Synthetic fused silica
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 355nm
A＝B＝C 15mm
Transmittance 50±7%
i
Non-polarizing Cube Half Mirror BK7 20mm 1300nm
NPCH-20-13000 		1300nm 20mm BK7 50±5%
1 week
£347.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1300nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 405nm
NPCH-15-4050 		405nm 15mm BK7 50±7%
1 week
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 405nm
A＝B＝C 15mm
Transmittance 50±7%
i
Non-polarizing Cube Half Mirror BK7 20mm 1550nm
NPCH-20-15500 		1550nm 20mm BK7 50±5%
6-12 weeks
£347.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1550nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 488nm
NPCH-15-4880 		488nm 15mm BK7 50±5%
1 week
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 488nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 514.5nm
NPCH-15-5145 		514.5nm 15mm BK7 50±5%
1 week
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 514.5nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 532nm
NPCH-15-5320 		532nm 15mm BK7 50±5%
6-12 weeks
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 532nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 632.8nm
NPCH-10-6328 		632.8nm 5mm BK7 50±5%
1 week
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 632.8nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 670nm
NPCH-10-6700 		670nm 10mm BK7 50±5%
6-12 weeks
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 670nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 780nm
NPCH-10-7800 		780nm 10mm BK7 50±5%
1 week
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 780nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 830nm
NPCH-10-8300 		830nm 10mm BK7 50±5%
1 week
£239.50
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 830nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 1064nm
NPCH-10-10640 		1064nm 10mm BK7 50±5%
1 week
£260.60
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1064nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror Synthetic fused silica 20mm 266nm
NPCH-20-2660 		266nm 20mm Synthetic fused silica 50±10%
6-12 weeks
£520.90
Material Synthetic fused silica
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 266nm
A＝B＝C 20mm
Transmittance 50±10%
i
Non-polarizing Cube Half Mirror BK7 10mm 1300nm
NPCH-10-13000 		1300nm 10mm BK7 50±5%
6-12 weeks
£260.60
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1300nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror Synthetic fused silica 20mm 355nm
NPCH-20-3550 		355nm 20mm Synthetic fused silica 50±7%
1 week
£520.90
Material Synthetic fused silica
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 355nm
A＝B＝C 20mm
Transmittance 50±7%
i
Non-polarizing Cube Half Mirror BK7 10mm 1550nm
NPCH-10-15500 		1550nm 10mm BK7 50±5%
1 week
£260.60
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1550nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 20mm 405nm
NPCH-20-4050 		405nm 20mm BK7 50±7%
6-12 weeks
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 405nm
A＝B＝C 20mm
Transmittance 50±7%
i
Non-polarizing Cube Half Mirror BK7 20mm 488nm
NPCH-20-4880 		488nm 20mm BK7 50±5%
1 week
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 488nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 20mm 514.5nm
NPCH-20-5145 		514.5nm 20mm BK7 50±5%
6-12 weeks
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 514.5nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 20mm 532nm
NPCH-20-5320 		532nm 20mm BK7 50±5%
6-12 weeks
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 532nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 632.8nm
NPCH-15-6328 		632.8nm 15mm BK7 50±5%
1 week
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 632.8nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 670nm
NPCH-15-6700 		670nm 15mm BK7 50±5%
6-12 weeks
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 670nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 780nm
NPCH-15-7800 		780nm 15mm BK7 50±5%
1 week
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 780nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 15mm 830nm
NPCH-15-8300 		830nm 15mm BK7 50±5%
1 week
£289.80
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 830nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror Synthetic fused silica 10mm 266nm
NPCH-10-2660 		266nm 10mm Synthetic fused silica 50±10%
6-12 weeks
£434.40
Material Synthetic fused silica
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 266nm
A＝B＝C 10mm
Transmittance 50±10%
i
Non-polarizing Cube Half Mirror BK7 15mm 1064nm
NPCH-15-10640 		1064nm 15mm BK7 50±5%
1 week
£304.10
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1064nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror Synthetic fused silica 10mm 355nm
NPCH-10-3550 		355nm 10mm Synthetic fused silica 50±7%
1 week
£434.40
Material Synthetic fused silica
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 355nm
A＝B＝C 10mm
Transmittance 50±7%
i
Non-polarizing Cube Half Mirror BK7 15mm 1300nm
NPCH-15-13000 		1300nm 15mm BK7 50±5%
6-12 weeks
£304.10
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1300nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 405nm
NPCH-10-4050 		405nm 10mm BK7 50±7%
1 week
£220.30
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 405nm
A＝B＝C 10mm
Transmittance 50±7%
i
Non-polarizing Cube Half Mirror BK7 15mm 1550nm
NPCH-15-15500 		1550nm 15mm BK7 50±5%
6-12 weeks
£304.10
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 1550nm
A＝B＝C 15mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 488nm
NPCH-10-4880 		488nm 10mm BK7 50±5%
1 week
£220.30
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 488nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 514.5nm
NPCH-10-5145 		514.5nm 10mm BK7 50±5%
1 week
£220.30
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 514.5nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 10mm 532nm
NPCH-10-5320 		532nm 10mm BK7 50±5%
6-12 weeks
£220.30
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 532nm
A＝B＝C 10mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 5mm 632.8nm
NPCH-05-6328 		632.8nm 5mm BK7 50±5%
1 week
£220.30
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 632.8nm
A＝B＝C 5mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 20mm 632.8nm
NPCH-20-6328 		632.8nm 20mm BK7 50±5%
6-12 weeks
£320.90
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 632.8nm
A＝B＝C 20mm
Transmittance 50±5%
i
Non-polarizing Cube Half Mirror BK7 20mm 670nm
NPCH-20-6700 		670nm 20mm BK7 50±5%
6-12 weeks
£320.90
Material BK7
Surface flatness of substrate λ/4
Beam Deviation ＜5′
Coating Hypotenuse surface ; Dielectric multilayer coating
Four surfaces ; Multilayer antireflection coating
Incident angle 0°
Divergence ratio <br> (reflectance : transmittance) 1 : 1
Laser Damage Threshold 0.3J/cm2 (Laser pulse width ; 10ns , Repetition frequency ; 20Hz)
Surface Quality <br> (Scratch-Dig) 20-10
Wavelength range 670nm
A＝B＝C 20mm
Transmittance 50±5%

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◦The reflection to transmission ratio is 1:1 regardless of the polarization condition from the input beam.
◦Depending on polarization, the reflection to transmission ratio of these products does not vary.
◦The laser lines listed correspond to various laser wavelengths.
◦Narrowband multi-layer AR coatings are applied to the four surfaces of the cube.
◦These cubes are designed for a single wavelength because the effective bandwidth of a non-polarizing coating is narrow.

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