The 10BV200UF.20 Ultrashort Pulses High Reflecting Pump Mirror is a precision polished, 1.0 inch (25.4 mm) diameter, concave, BK 7 substrate with an effective focal length of 1000 mm. It's UF.20 coating is optimized for reflection at 710 to 890 nm, and pump transmission at 488 to 532 nm. This mirror is intended for use as a high reflector while allowing transmission of an Argon or frequency doubled Nd:YAG pump laser. A modified single stack dielectric coating design features maximum bandwidth and minimum pulse dispersion. A broadband visible anti-reflection coating is deposited on the mirror's second surface to allow maximum transmission of pump laser energy in the 488 to 532 nm range.
| Model | 10BV200UF.20 |
|---|---|
| Mirror Shape | Round |
| Wavelength Range | 710 to 890 nm |
| Diameter | 1.0 in. (25.4 mm) |
| Thickness | 0.24 in. (6.0 mm) |
| Material | Grade A BK7 |
| Coating Type | Broadband special coating for ultrafast pulses |
| Effective Focal Length | 1000 mm |
| Surface Quality | 15-5 scratch-dig |
| Coating Code | UF.20 |
| Clear Aperture | ≥central 80% of diameter |
| Reflectivity | UF.20: Rs, Rp >99% @ 710–890 nm; AR.14: Rs, Rp >99% @ 430–700 nm |
| Angle of Incidence | 0–15° |
| Surface Flatness | ≤λ/10 at 632.8 nm over the clear aperture |
| Chamfers | 0.25-0.76 mm face width |
| Chamfers Angle/Tolerance | 45° ±15° |
| Diameter Tolerance | +0/-0.25 mm |
| Thickness Tolerance | ±0.25 mm |
| R | 2000 mm |
| Coating (First surface) | 710-890 nm (UF.20) Rs, Rp >99%; 488–532 nm Ts, Tp >95% |
| Coating (Second surface) | 430-700 nm (AR.14) Multilayer Antireflection |
| f/# | 39.4 |
| Cleaning | Non-abrasive method, acetone or isopropyl alcohol on lens tissue recommended |
