Antireflection Broadband UV Coating
This BBAR is designed to operate over a broad region to anti-reflect tripled and quadrupled YAG and all wavelengths in between.
Specifications:
- Wavelength: 250-400nm *
- Substrate Material: Fused Silica
- Reflectivity: < 0.5% per surface (average)
- Scatter and Absorption Loss: < 0.5% per surface
- Durability: Meets or exceeds durability & environmental specifications of MIL-C-675A & MIL-M-13508
* Can be altered for other center wavelengths from 200nm to 250nm; typical bandwidth is 40% of center wavelength
Antireflection Broadband Coating
This coating is generally used where broad areas of antireflection are required – typically in visual or laser systems when many wavelengths are utilized simultaneously.
Specifications:
- Reflectance: R< 0.4% per surface (average) over wavelength region on any index material (1.45-1.8) within its usable wavelength region
- Wavelength Regions: 200-300nm, 250-400nm, 400-700nm, 700nm – 1.1µ, 1.0µ-1.6µ
- Scatter and Absorption Loss: < 0.25% per surface (average) over wavelength region
- Angle of Incidence: 0º (any other angle available upon request)
- Durability: Meets or exceeds durability & environmental specifications of MIL-C-48497, MIL-C-14806A & MIL-STD-810
- Temperature Range: -250º to +600ºC, depending on glass type
AR (Extended BB) Coating
Specifications:
- Reflectance: R< 1.0% average from 425nm – 1.1µ
- Reflectance: R< 1.3% average from 450nm – 1.1µ
- T>97% from 450nm to 1.1µ on all index material (1.45-1.75)
- Scatter and Absorption Loss: < 0.5% per surface
- Angle of Incidence: 0º (any other angle available upon request)
- Durability: Meets or exceeds durability & environmental specifications of MIL-C-675A, MIL-C-48497
AR 3:1 Coating
This coating is designed to reduce reflections at three wavelengths simultaneously. It is used primarily for frequency tripling windows.
Specifications:
- Reflectance: R< 1.0% per surface at 1.06 µ, 532 and 355nm on 1.47-1.52 index material
- Scatter and Absorption Loss: < 0.1% per surface
- Angle of Incidence: 0º (any other angle available upon request)
- Durability: Meets or exceeds durability & environmental specifications of MIL-C-675A, MIL-C-48497 & MIL-STD-810