UVFS Broadband Dielectric Mirror, HR400-750nm
Tuniu broadband dielectric film reflectors are ideal for beam deflection and reflection applications, and widely deployed in continuous-wave (CW) and nanosecond laser systems. Featuring advanced dielectric coating technology, these optical mirrors deliver reflectivity exceeding 99% across all polarization states—significantly outperforming conventional metal-coated mirrors. By minimizing optical energy loss, they effectively enhance overall system performance. Constructed on UV-grade fused silica substrates, the reflectors offer exceptional durability, ultra-low thermal expansion coefficient, and high abrasion resistance for reliable long-term operation.
Tuniu provides a full range of standard mirror configurations, including round, elliptical, square and D-shaped designs with various dimension options. For custom specifications covering alternative coating designs and sizes, please contact us.
Parameters
| Optical material | UVFS | Working wavelength | 400-750 nm |
| Coating | Dielectric reflective coating | Reflectivity | Ravg >99%（45°AOI） |
| Dimensional tolerance | + 0.00/ -0.10 mm |
Model
| Type | Size |
| Round | Ø12.7 x 6 mm, Ø25.4 x 6 mm, Ø25.4 x 1 mm, Ø50.8 x 12.0 mm |
| D-Shape | Ø25.4 x 6.0 mm |
| Elliptical | Long axis: 35.9 mm, short axis: 25.4 mm, T= 6.0 mm |
| Square | L= 25.4 mm, T= 6.0 mm |
Eg. UVFS Dielectric Mirror, Round, Ø25.4 x 6.0 mm, 400-750 nm
| Luminous aperture | > 90% of Diameter | Reflectivity | Ravg > 99% (45°incident angle) |
| Dimensional tolerance | + 0.00/-0.10 mm | Thickness tolerance | ± 0.2 mm |
| Surface Quality | 10/5 | Surface flatness(@633 nm) | λ/10 |
| Damage threshold | 0.1 J/cm2，515 nm，202 fs，10 Hz | ||