Broadband Anti-Reflection Coating
The BBAR1 broadband visible coating is guaranteed to provide an average reflectivity R of less than 0.5% over the wavelength region of 425 - 675nm at normal incidence. The BBARλ broadband visible coating is guaranteed to provide an average reflectivity R of less than 0.5% over the wavelength region of 0.8λ to 1.3λ at normal incidence. At 45° incidence angle R < 0.5% for P-polarization and R < 0.3% for S-polarization. At its reflectance minima it matches the performance of a wavelength matched V-coat, but with much broader off-peak usability. It is fabricated using hard electron beam deposited dielectric materials, and so has excellent resistance to abrasion, moisture, and laboratory solvents. It can be deployed on BK-7, fused silica, and other standard optical glasses. Typical damage threshold is 1 kW/cm2 CW and 2 J/cm2 with 10nS pulses, measured at 532nm.
- Average reflectivity: < 0.5%
- Wavelength Range: 0.8λ to 1.3λ
- Adhesion: meets MIL-C-675C
- Electron beam evaporated durable multilayer dielectric
Please contact us if you have any questions pertaining to this type of coating.