Dichroic Mirrors

Material

Diameter

Thickness

AOI

Reflected Wavelength

Transmitted Wavelength

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BK7

Code	Material	Diameter	Thickness	AOI	Reflected Wavelength	Transmitted Wavelength	Price	Delivery	Add to cart
041-6105	BK7	ø12,7 mm	3 mm	45°	R>99.5%@633nm	T>95%@1064nm	109 $	Request
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i 041-6605	BK7	ø12,7 mm	3 mm	45°	R>99.5%@1064nm	T>90%@633nm	116 $	4 - 5 days
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i 042-6605	BK7	ø25,4 mm	6 mm	45°	R>99.5%@1064nm	T>90%@633nm	145 $	4 - 5 days
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i 042-6105	BK7	ø25,4 mm	6 mm	45°	R>99.5%@633nm	T>95%@1064nm	140 $	4 - 5 days
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i 031-6800	BK7	ø12,7 mm	3 mm	0°	R>99.5%@1064nm	T>95%@808nm	116 $	4 - 5 days
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i 031-6805	BK7	ø12,7 mm	3 mm	45°	R>99.5%@1064nm	T>95%@808nm	116 $	4 - 5 days
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i 032-6800	BK7	ø25,4 mm	6 mm	0°	R>99.5%@1064nm	T>95%@808nm	145 $	4 - 5 days
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i 032-6805	BK7	ø25,4 mm	6 mm	45°	R>99.5%@1064nm	T>95%@808nm	145 $	4 - 5 days
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UVFS

Code	Material	Diameter	Thickness	AOI	Reflected Wavelength	Transmitted Wavelength	Price	Delivery	Add to cart
i 041-6800	UVFS	ø12,7 mm	3 mm	0°	R>99.5%@1064nm	T>95%@808nm	145 $	4 - 5 days
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i 041-6805	UVFS	ø12,7 mm	3 mm	45°	R>99.5%@1064nm	T>95%@808nm	145 $	4 - 5 days
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i 042-6800	UVFS	ø25,4 mm	6 mm	0°	R>99.,5%@1064nm	T>95%@808nm	182 $	4 - 5 days
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i 042-6805	UVFS	ø25,4 mm	6 mm	45°	R>99.5%@1064nm	T>95%@808nm	182 $	Request
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Substrate

Material	UV grade fused silica or BK7 glass
S1 Surface Flatness	λ/10 typical at 633 nm
S1 Surface Quality	20-10 scratch & dig (MIL-PRF-13830B)
S2 Surface Flatness	λ/10 typical at 633 nm
S2 Surface Quality	20-10 scratch & dig (MIL-PRF-13830B)
Diameter Tolerance	+0.00 / -0.12 mm
Thickness Tolerance	±0.25 mm
Parallelism	30 arcsec
Chamfer	0.3 mm at 45° typical

Coating

Technology	Electron beam multilayer dielectric
Adhesion and Durability	Per MIL-C-675A. Insoluble in lab solvents
Clear Aperture	Exceeds central 85% of diameter
Laser damage threshold: BK7 UV FS	> 2 J/cm², 8 ns pulse, 1064 nm > 5 J/cm², 8 ns pulse, 1064 nm
Coated Surface Flatness	λ/10 at 633 nm over 85% of diameter available
Transmitted Wavefront Distortion (TWD)	λ/10 over clear aperture
Back side antireflection coated	R<0.5%

EKSMA Optics Dichroic Mirrors
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Laser Damage Threshold: >2J/cm², 8 ns pulse, 1064 nm typical for BK7 substrates; >5J/cm² 8 ns pulse, 1064 nm typical for UVFS substrates
Back side antireflection coated: R<0.5%
Parallelism: 30 arcsec

Harmonic separators are dichroic beamsplitters used to reflect one wavelength and to transmit the others. Reflectance of >99.5% for the wavelength of interest and transmittance of >90% for the rejected wavelengths. The rear surface of harmonic separators is antireflection coated.

We also suggest to take a look at our SALE items - non standard dichroic mirrors that are available ex-stock.

Dichroic Mirrors

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