Brand: ThorLabs | Category: Scientific & Laboratory Equipment
Magnetorheologically polished aspheric lenses in N-BK7 or S-LAH64 that reach diffraction limited performance. They focus or collimate a laser beam in a single element and are used where a doublet would add too much wavefront error.
| Parameter | Value |
|---|---|
| Diameters | 12.5 mm, 25.0 mm, 50.0 mm, 75.0 mm or 100.0 mm |
| Numerical apertures | 0.20, 0.21 (N-BK7) or 0.52 (S-LAH64) |
| Aspheric surface accuracy | less than 55 nm |
| Slope error, peak to valley | less than 200 microradians |
| Strehl ratio | greater than 0.80 |
| Specification | Surface quality 40-20 scratch-dig, centration less than 1 arcmin |
Contact Vvon Technologies Limited, Bangladesh's authorised distributor for ThorLabs.
Phone: +880 1711-738207 | Email: info@vvon.com.bd