Uncoated Optical Windows/Substrates

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Substrates of various sizes and dimensions are made of BK7, UVFS, FS, CaF₂, ZnSe, Sapphire, MgF₂.

Clear Aperture, %	>90%
Coatings	uncoated
Diameter, mm	+0.0/-0.1 mm
Protective chamfers	<0.25 mm x 45°
Surface Flatness	<λ/10 - λ/8@632.8 nm (BK7, UVFS) <λ/4 - λ/2@632.8 nm (ZnSe, Sapphire, CaF2, MgF2)
Surface Quality, S-D	20/10 S/D (BK7, UVFS) 40/20 S/D (ZnSe, Sapphire, CaF2, MgF2)
Thickness Tolerance, mm	±0.1 mm

Description

Details

Both surfaces of our standard substrates are laser grade polished. These substrates are ideal base for plate beamsplitters, optical windows, partially reflective mirrors, etc.

Laser components require highly polished substrates as well as high performance coatings. Scattering, damage by laser light can occur if the substrate is made of inferior material or is inadequately polished. For UV and very high power applications we recommend using UVFS substrates. BK7 substrates are an economical solution for laser components used in many laboratory applications as well as in many devices and instruments.

We provide various dielectric and metallic coatings.

Features

Ideal for transmitting applications such as plate beamsplitters, windows, partially reflecting mirrors, etc
UVFS substrates are recommended for the UV and very high energy applications
Maximum size of optical windows up to Ø500 mm

Name	Dimensions, mm	Material	Parallelism error, arcmin	Price	Quantity
1-OS-1-0125-5	Ø12.5 x 5	BK7	<1arcmin	US$18.20
1-OS-1-0127-3	Ø12.7 x 3	BK7	<1arcmin	US$18.20
1-OS-1-0127-6	Ø12.7 x 6	BK7	<1arcmin	US$18.20
1-OS-1-0254-3	Ø25.4 x 3	BK7	<1arcmin	US$23.40
1-OS-1-0254-6	Ø25.4 x 6	BK7	<1arcmin	US$23.40
1-OS-1-0300-6	Ø30 x 6	BK7	<1arcmin	US$36.40
1-OS-1-0381-5	Ø38.1 x 5	BK7	<1arcmin	US$36.40
1-OS-1-0508-8	Ø50.8 x 8	BK7	<1arcmin	US$52.00
1-OS-1-0762-8	Ø76.2 x 8	BK7	<1arcmin	US$93.00
1-OS-1-1254-5	Ø25.4 x 5	BK7	1deg ± 5arcmin	US$44.20
1-OS-1-2040-3	20 x 40 x 3	BK7	<20arcsec	US$44.20
1-OS-1-3254-5	Ø25.4 x 5	BK7	3deg ± 5arcmin	US$44.20
1-OS-2-0127-2	Ø12.7 x 2	UVFS	<1arcmin	US$23.40
1-OS-2-0127-3	Ø12.7 x 3	UVFS	<1arcmin	US$23.40
1-OS-2-0127-5	Ø12.7 x 5	UVFS	<1arcmin	US$23.40
1-OS-2-0127-6	Ø12.7 x 6	UVFS	<1arcmin	US$23.40
1-OS-2-0254-3	Ø25.4 x 3	UVFS	<1arcmin	US$28.60
1-OS-2-0254-5	Ø25.4 x 5	UVFS	<1arcmin	US$28.60
1-OS-2-0300-5	Ø30 x 5	UVFS	<1arcmin	US$52.00
1-OS-2-0381-5	Ø38.1 x 5	UVFS	<1arcmin	US$52.00
1-OS-2-0508-6	Ø50.8 x 6	UVFS	<1arcmin	US$78.00
1-OS-2-0762-6	Ø76.2 x 6	UVFS	<1arcmin	US$121.00
1-OS-2-1127-5	Ø12.7 x 5	UVFS	30arcmin ± 5arcmin	US$31.20
1-OS-2-1254-3	Ø25.4 x 3	UVFS	1deg ± 5arcmin	US$52.00
1-OS-2-2040-3	20 x 40 x 3	UVFS	<20arcsec	US$52.00
1-OS-2-2040-5	20 x 40 x 5	UVFS	<20arcsec	US$52.00
1-OS-2-2060-2	20 x 60 x 2	UVFS	<20arcsec	US$65.00
1-OS-2-2060-5	20 x 60 x 5	UVFS	1deg ± 5arcmin	US$65.00
1-OS-2-3030-5	30 x 30 x 5	UVFS	<1arcmin	US$52.00
1-OS-2-3254-3	Ø25.4 x 3	UVFS	3deg ± 5arcmin	US$52.00
1-OS-3-0127-6	Ø12.7 x 6	IRFS	<1arcmin	US$36.40
1-OS-3-0254-3	Ø25.4 x 3	IRFS	<1arcmin	US$46.80
1-OS-4-0254-3	Ø25.4 x 3	ZnSe	<1arcmin	US$78.00
1-OS-5-0254-3	Ø25.4 x 3	CaF2	<1arcmin	US$65.00
1-OS-6-0254-3	Ø25.4 x 3	MgF2	<1arcmin	US$130.00
1-OS-7-0254-3	Ø25.4 x 3	Sapphire	<1arcmin	US$52.00

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