Harmonic Separators

YHS

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YHS

Harmonic separators are designed to separate specific YAG harmonics from other harmonics. We offer three standard wavelength (1064nm, 532nm, 355nm) reflectance YAG harmonics.

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YHS-25.4C05-355

355nm

25.4mm

1 week

£281.30

Material	BK7
Surface flatness	λ/10
Coating Front surface	Dielectric multilayer coating
Coating Rear surfaces	Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞99.5% at 355nm
Transmittance (Average P and S polarized light)	＞85% at 532・1064nm
Laser Damage Threshold	5J/cm²

details

YHS-25.4C05-532

532nm

25.4mm

1 week

£187.60

Material	BK7
Surface flatness	λ/10
Coating Front surface	Dielectric multilayer coating
Coating Rear surfaces	Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞99.5% at 532nm
Transmittance (Average P and S polarized light)	＞95% at 1064nm
Laser Damage Threshold	8J/cm²

details

YHS-25.4C05-1064

1064nm

25.4mm

1 week

£234.35

Material	BK7
Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞99.5% at 1064nm
Transmittance (Average P and S polarized light)	＞90% at 532nm
Laser Damage Threshold	20J/cm²

details

YHS-30C05-355

355nm

30mm

1 week

£320.68

Material	BK7
Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞99.5% at 355nm
Transmittance (Average P and S polarized light)	＞85% at 532・1064nm
Laser Damage Threshold	5J/cm²

details

YHS-30C05-532

532nm

30mm

6-12 weeks

£213.59

Material	BK7
Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞99.5% at 532nm
Transmittance (Average P and S polarized light)	＞95% at 1064nm
Laser Damage Threshold	8J/cm²

details

YHS-30C05-1064

1064nm

30mm

1 week

£258.31

Material	BK7
Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞99.5% at 1064nm
Transmittance (Average P and S polarized light)	＞90% at 532nm
Laser Damage Threshold	20J/cm²

details

YHS-50C08-355

355nm

50mm

6-12 weeks

£494.31

Material	YHS:BK7, YHSQ:Synthetic fused silica
Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	8mm
Reflectance (Average P and S polarized light)	＞99.5% at 355nm
Transmittance (Average P and S polarized light)	＞85% at 532・1064nm
Laser Damage Threshold	5J/cm²

details

YHS-50C08-532

532nm

50mm

6-12 weeks

£338.43

Material	BK7
Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	8mm
Reflectance (Average P and S polarized light)	＞99.5% at 532nm
Transmittance (Average P and S polarized light)	＞95% at 1064nm
Laser Damage Threshold	8J/cm²

details

YHS-50C08-1064

1064nm

50mm

6-12 weeks

£400.80

Material	BK7
Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	10−5
Clear aperture	90% of the diameter
Thickness t	8mm
Reflectance (Average P and S polarized light)	＞99.5% at 1064nm
Transmittance (Average P and S polarized light)	＞90% at 532nm
Laser Damage Threshold	20J/cm²

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◦These mirrors are coated with multi-layered dielectric with different refractive index, using BK7 optical parallels with λ/10 surface flatness and parallelism of 5 arc second. The other surface is coated with multi-layer anti-reflection.
◦These mirrors are used at 45° incident angle to reflect specific wavelength beam and transmits other YAG wavelengths.
◦For plate type, you can use a large laser beam diameter.