Precision Thin Round Windows

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 $44 Configure & order →

Volume discount

  • 5–9 units −5%
  • 10+ units −10%

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

Listed in

Configure & order — pick a catalog variant or configure your own

Diameter Any
Catalog band: 12.5–50.8 mm
Manufacturable: 12.5–50.8 mm
12.5 mm 50.8 mm
or mm
Thickness T Any
Catalog band: 1.0–3.0 mm
Manufacturable: 1.0–3.0 mm
1.0 mm 3.0 mm
or mm
Flatness Any
or
Parallelism Any
or
Material UV FS
26 catalog variants — refine the spec to narrow it down.
SKU Diameter · Thickness T · Flatness · Parallelism · Group · Material
226-1111E 12.7 mm·1.0 mm·λ/10·30 arcsec·Parallelism - 30 arcsec·UV FS
152 in stock Ships in: 2–5 calendar days
$70
226-1111M 12.5 mm·1.0 mm·λ/10·30 arcsec·UV FS
Out of stock Ships in: 58–61 calendar days
$70
226-1116E 12.7 mm·1.0 mm·λ/4·1 arcmin·Parallelism - 1 arcmin·UV FS
Out of stock Ships in: 62–65 calendar days
$49
226-1116M 12.5 mm·1.0 mm·λ/4·1 arcmin·UV FS
Out of stock Ships in: 58–61 calendar days
$49
226-1121E 12.7 mm·2.0 mm·λ/10·30 arcsec·Parallelism - 30 arcsec·UV FS
2 in stock Ships in: 2–5 calendar days
$62
226-1121M 12.5 mm·2.0 mm·λ/10·30 arcsec·UV FS
4 in stock Ships in: 2–5 calendar days
$62
226-1126E 12.7 mm·2.0 mm·λ/4·1 arcmin·Parallelism - 1 arcmin·UV FS
Out of stock Ships in: 62–65 calendar days
$44
226-1126M 12.5 mm·2.0 mm·λ/4·1 arcmin·UV FS
4 in stock Ships in: 2–5 calendar days
$44
226-1191 20.0 mm·1.0 mm·λ/10·30 arcsec·Parallelism - 30 arcsec·UV FS
Out of stock Ships in: 62–65 calendar days
$87
226-1201 20.0 mm·2.0 mm·λ/10·30 arcsec·Parallelism - 30 arcsec·UV FS
Out of stock Ships in: 62–65 calendar days
$84
226-1211E 25.4 mm·1.0 mm·λ/10·30 arcsec·Parallelism - 30 arcsec·UV FS
Out of stock Ships in: 62–65 calendar days
$93
226-1211M 25.0 mm·1.0 mm·λ/10·30 arcsec·UV FS
Out of stock Ships in: 58–61 calendar days
$93
226-1216E 25.4 mm·1.0 mm·λ/4·1 arcmin·Parallelism - 1 arcmin·UV FS
Out of stock Ships in: 62–65 calendar days
$71
226-1216M 25.0 mm·1.0 mm·λ/4·1 arcmin·UV FS
Out of stock Ships in: 58–61 calendar days
$71
226-1221E 25.4 mm·2.0 mm·λ/10·30 arcsec·Parallelism - 30 arcsec·UV FS
7 in stock Ships in: 2–5 calendar days
$87
226-1221M 25.0 mm·2.0 mm·λ/10·30 arcsec·UV FS
Out of stock Ships in: 58–61 calendar days
$87
226-1226E 25.4 mm·2.0 mm·λ/4·1 arcmin·Parallelism - 1 arcmin·UV FS
Out of stock Ships in: 62–65 calendar days
$64
226-1226M 25.0 mm·2.0 mm·λ/4·1 arcmin·UV FS
Out of stock Ships in: 58–61 calendar days
$64
226-1516E 50.8 mm·1.0 mm·λ/4·1 arcmin·Parallelism - 1 arcmin·UV FS
Out of stock Ships in: 62–65 calendar days
$161
226-1516M 50.0 mm·1.0 mm·λ/4·1 arcmin·UV FS
Out of stock Ships in: 58–61 calendar days
$161
226-1526E 50.8 mm·2.0 mm·λ/4·1 arcmin·Parallelism - 1 arcmin·UV FS
Out of stock Ships in: 62–65 calendar days
$152
226-1526M 50.0 mm·2.0 mm·λ/4·1 arcmin·UV FS
Out of stock Ships in: 58–61 calendar days
$152
226-1531E 50.8 mm·3.0 mm·λ/10·30 arcsec·Parallelism - 30 arcsec·UV FS
25 in stock Ships in: 2–5 calendar days
$191
226-1531M 50.0 mm·3.0 mm·λ/10·30 arcsec·UV FS
Out of stock Ships in: 58–61 calendar days
$191
226-1536E 50.8 mm·3.0 mm·λ/4·1 arcmin·Parallelism - 1 arcmin·UV FS
Out of stock Ships in: 62–65 calendar days
$145
226-1536M 50.0 mm·3.0 mm·λ/4·1 arcmin·UV FS
Out of stock Ships in: 58–61 calendar days
$145

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No catalog variant matches your exact spec. Add it to your cart as a quote request — sales will confirm price and lead time within 1 business day.

Specifications

Material UV FS
Surface quality 20-10 scratch & dig (MIL-PRF-13830B)
Clear aperture >90 % of diameter
Diameter tolerance +0.00 / -0.12 mm
Thickness tolerance ±0.2 mm
Surface flatness λ / 10 or λ / 4 @ 633 nm
Parallelism <30 arcsec or <1 arcmin

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.

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