Precision Thin Round Windows

• Manufactured from high quality UV grade fused silica • Precision polished on both surfaces (20-10 scratch & dig) • Parallelism up to 30 arcsec Precision thin round windows are designed to be used in precision optical… Read more →

From $46 Configure & order →

Volume discount

5–9 units −5%
10+ units −10%

Applied in your cart. Quantities of any variant of this product count together.

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Product

Diameter 12.5 mm - 50.8 mm · 7 values Any mm

Thickness 1 mm - 3 mm · 3 values Any mm

26 catalog variants — refine the spec to narrow it down.

SKU	Diameter	Thickness	Material Type	Material	Coating S1W1	Coating S2W1
226-1111E	12.7 mm	1 mm	FS	UVFS	Uncoated	Uncoated	152 in stock Ships in: 2–5 calendar days $72
226-1111M	12.5 mm	1 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $72
226-1116E	12.7 mm	1 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $51
226-1116M	12.5 mm	1 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $51
226-1121E	12.7 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $64
226-1121M	12.5 mm	2 mm	FS	UVFS	Uncoated	Uncoated	2 in stock Ships in: 2–5 calendar days $64
226-1126E	12.7 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $46
226-1126M	12.5 mm	2 mm	FS	UVFS	Uncoated	Uncoated	3 in stock Ships in: 2–5 calendar days $46
226-1191	20 mm	1 mm	FS	UVFS	Uncoated	Uncoated	24 in stock Ships in: 2–5 calendar days $90
226-1201	20 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $87
226-1211E	25.4 mm	1 mm	FS	UVFS	Uncoated	Uncoated	19 in stock Ships in: 2–5 calendar days $96
226-1211M	25 mm	1 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $96
226-1216E	25.4 mm	1 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $74
226-1216M	25 mm	1 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $74
226-1221E	25.4 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $90
226-1221M	25 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $90
226-1226E	25.4 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $66
226-1226M	25 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $66
226-1516E	50.8 mm	1 mm	FS	UVFS	Uncoated	Uncoated	11 in stock Ships in: 2–5 calendar days $167
226-1516M	50 mm	1 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $167
226-1526E	50.8 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $158
226-1526M	50 mm	2 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $158
226-1531E	50.8 mm	3 mm	FS	UVFS	Uncoated	Uncoated	20 in stock Ships in: 2–5 calendar days $198
226-1531M	50 mm	3 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $198
226-1536E	50.8 mm	3 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 62–65 calendar days $150
226-1536M	50 mm	3 mm	FS	UVFS	Uncoated	Uncoated	Out of stock Ships in: 58–61 calendar days $150

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Specifications

Shape Type	Round
Material Type	FS
Material	UVFS

Surface 1

Surface quality, ISO	20-10
Clear Aperture, %	90 % - 100 %

Surface 1, Wavelength 1

Coating

Uncoated

Surface 2

Surface quality, ISO	20-10
Clear Aperture, %	90 % - 100 %

Surface 2, Wavelength 1

Coating

Uncoated

Description

Manufactured from high quality UV grade fused silica
Precision polished on both surfaces (20-10 scratch & dig)
Parallelism up to 30 arcsec

Precision thin round windows are designed to be used in precision optical systems. Windows have high optical transmission with little distortion of the transmitted signal.

If you would like to order a window with coating, please note the code of the window and the code of the coating in your request. For required coating please refer to the Coatings section of the Optical Components catalog.