Elliptical Windows
• Made of BK-7 glass or UV fused silica • Polished to high surface quality (20-10 scratch & dig) • Excellent for beam directing applications Elliptical flat mirrors bend light at precise angles with minimum wave… Read more →
Volume discount
- 5–9 units −5%
- 10+ units −10%
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| SKU | Group · Minor axis · Major axis · Material · Thickness T | |
|---|---|---|
| 020-0183A |
Out of stock
—
|
|
| 020-0183B | BK7, B Type·18 mm·25 mm·BK7·T - 3 mm |
Out of stock
Ships in: 62–65 calendar days
$55
|
| 020-0254A | BK7, A Type·25 mm·35 mm·BK7·T - 4 mm |
2 in stock
Ships in: 2–5 calendar days
$63
|
| 020-0254B | BK7, B Type·25 mm·35 mm·BK7·T - 4 mm |
1 in stock
Ships in: 2–5 calendar days
$63
|
| 020-0304A | BK7, A Type·30 mm·42,5 mm·BK7·T - 4 mm |
2 in stock
Ships in: 2–5 calendar days
$72
|
| 020-0304B | BK7, B Type·30 mm·42,5 mm·BK7·T - 4 mm |
10 in stock
Ships in: 2–5 calendar days
$72
|
| 020-1183A | UVFS, A type·18 mm·25 mm·UV FS·T - 3 mm |
4 in stock
Ships in: 2–5 calendar days
$90
|
| 020-1183B | UVFS, B type·18 mm·25 mm·UV FS·T - 3 mm |
Out of stock
Ships in: 62–65 calendar days
$90
|
| 020-1254A |
Out of stock
—
|
|
| 020-1254B | UVFS, B type·25 mm·35 mm·UV FS·T - 4 mm |
Out of stock
Ships in: 62–65 calendar days
$96
|
| 020-1304A | UVFS, A type·30 mm·42,5 mm·UV FS·T - 4 mm |
3 in stock
Ships in: 2–5 calendar days
$126
|
| 020-1304B | UVFS, B type·30 mm·42,5 mm·UV FS·T - 4 mm |
1 in stock
Ships in: 2–5 calendar days
$126
|
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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 | BK7, UV FS |
| Surface quality S1, S2 | 20-10 scratch & dig (MIL-PRF-13830B) |
| Surface flatness S1, S2 | λ / 4 @ 633 nm |
| Axis tolerance | +0.00,-0.12 mm |
| Thickness tolerance | ±0.25 mm |
| Parallelism | <3 min |
Description
- Made of BK-7 glass or UV fused silica
- Polished to high surface quality (20-10 scratch & dig)
- Excellent for beam directing applications
Elliptical flat mirrors bend light at precise angles with minimum wave distortion due to elongated major axis. Precision 45 degree elliptical flat mirrors are ideal for technical and astronomical applications.
Elliptical windows can be supplied coated with our standard metallic or high-reflectivity dielectric coatings.
If you would like to order an elliptical mirror substrate with coating, please note the code of the window and the code of the coating in your request.
