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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YHSQ-30C05-266/355

30mm

Synthetic fused silica

2 weeks

Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	20−10
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞98％ at 266nm ＞98％ at 355nm
Transmittance (Average P and S polarized light)	R＜10％(T＞90％) at 532nm R＜10％(T＞90％) at 1064nm
Laser Damage Threshold	2J/cm²(266nm) 5J/cm²(355nm)
	*Laser pulse width 10ns, repetition frequency 20Hz

details

YHSQ-30C05-266

30mm

Synthetic fused silica

266nm

6-12 weeks

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)	＞99.2% at 266nm
Transmittance (Average P and S polarized light)	R＜5％(T＞90％) at 532nm R＜5％(T＞90％) at 1064nm
Laser Damage Threshold	2J/cm²
	*Laser pulse width 10ns, repetition frequency 20Hz

details

YHS-50C08-355

50mm

355nm

6-12 weeks

$640.00

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

50mm

532nm

6-12 weeks

$435.00

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

50mm

1064nm

2 weeks

$515.00

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

details

YHSQ-50C08-266/355

50mm

Synthetic fused silica

2 weeks

Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	20−10
Clear aperture	90% of the diameter
Thickness t	8mm
Reflectance (Average P and S polarized light)	＞98％ at 266nm ＞98％ at 355nm
Transmittance (Average P and S polarized light)	R＜10％(T＞90％) at 532nm R＜10％(T＞90％) at 1064nm
Laser Damage Threshold	2J/cm²(266nm) 5J/cm²(355nm)
	*Laser pulse width 10ns, repetition frequency 20Hz

details

YHSQ-25.4C05-266

25.4mm

Synthetic fused silica

266nm

6-12 weeks

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)	＞99.2% at 266nm
Transmittance (Average P and S polarized light)	R＜5％(T＞90％) at 532nm R＜5％(T＞90％) at 1064nm
Laser Damage Threshold	2J/cm²
	*Laser pulse width 10ns, repetition frequency 20Hz

details

YHS-25.4C05-355

25.4mm

355nm

in stock

$361.00

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

25.4mm

532nm

in stock

$241.00

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

25.4mm

1064nm

in stock

$301.00

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

YHSQ-25.4C05-266/355

25.4mm

Synthetic fused silica

2 weeks

Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Surface Quality (Scratch-Dig)	20−10
Clear aperture	90% of the diameter
Thickness t	5mm
Reflectance (Average P and S polarized light)	＞98％ at 266nm ＞98％ at 355nm
Transmittance (Average P and S polarized light)	R＜10％(T＞90％) at 532nm R＜10％(T＞90％) at 1064nm
Laser Damage Threshold	2J/cm²(266nm) 5J/cm²(355nm)
	*Laser pulse width 10ns, repetition frequency 20Hz

details

YHSQ-50C08-266

50mm

Synthetic fused silica

266nm

6-12 weeks

Surface flatness	λ/10
Coating	Front surface: Dielectric multilayer coating Rear surfaces: Multilayer antireflection coating
Incident angle	45°
Parallelism	＜5″
Clear aperture	90% of the diameter
Thickness t	8mm
Reflectance (Average P and S polarized light)	＞99.2% at 266nm
Transmittance (Average P and S polarized light)	R＜5％(T＞90％) at 532nm R＜5％(T＞90％) at 1064nm
Laser Damage Threshold	2J/cm²
	*Laser pulse width 10ns, repetition frequency 20Hz

details

YHS-30C05-355

30mm

355nm

in stock

$412.00

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

30mm

532nm

in stock

$275.00

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

30mm

1064nm

in stock

$332.00

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

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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.