V-shape Anti-Reflection Coating
The V1 narrowband antireflection coating provides a minimum reflectivity R equal to or less than 0.25% at the specified wavelength at normal incidence. Non-normal incidence exhibits fairly strong polarization dependence, as shown below. 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 BK7, fused silica and other standard optical glasses. Typical damage threshold is 2kW/cm2 CW and 5 J/cm2 with 10 nS pulses, measured at 532 nm.
The V2 narrowband antireflection coating is V-coat designed to handle high powers in the UV spectrum. It can be deployed on BK7 or Fused Silica , depending on the wavelength.
Minimum reflectivity ≤ 0.25%
Wavelength range 248 - 1024 nm
Adhesion meets MIL-C-675C
Electron beam evaporated durable multilayer dielectric
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