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 →
Volume discount
- 5–9 units −5%
- 10+ units −10%
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| 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.