Comparison of wavelength shift Standard type of vacuum evaporation coating Standard type of vacuum evaporation coating (Enlarged data of above green circle) Ion assist deposition coating Ion assist deposition coating (Enlarged data of above green circle) Optical property Short wave pass filter Substrate S-BSL7 Optical Properties Angle of Incidence(AOI) = 45° T≦ 85% @750-870 nm T≧1% @960-1000 nm Long wave pass filter Substrate Crown glass Optical Properties Angle of Incidence(AOI) = 0° T≦0.1% @600-710 nm T≧90% @780-1000 nm Half mirror Substrate S-BSL7 Optical Properties Angle of Incidence(AOI) = 45° Rp = 50 ± 3% Tp = 50 ± 3% @532 nm Polarizing half mirror Substrate Crown glass Optical Properties Angle of Incidence(AOI) = 25-60° Rp = 50 ± 7% Tp = 50 ± 7% @400-700 nm Polarizing beam splitter Substrate S-BSL7 Optical Properties Angle of Incidence(AOI) = 45° Tp≧85% @920-1020 nm Ts≦2% @920-1020 nm 3-Wavelength cut & colorless filter Substrate Fused Silica Optical Properties Angle of Incidence(AOI) = 0-4° T≦0.3% @532 nm T≦0.3% @577 nm T≦0.3% @645-655 nm T≧80% @670 nm Transmission color Nearly colorless Approved range on hue 0 ≦ a * ≦ 8, 0 ≦ b ≦ * ≦ 8 Luminous transmittance ≧40% 532 nm high power laser mirror Damage threshold 154 J/cm2 Wavelength 532 nm Pulse width 8 ns Optical Properties Angle of Incidence(AOI) = 45° Polarization P Beam size X 264μm, Y 260μm (Gaussian 1/e2) Evaluation method 1-on-1 (Gaussian peak) Features Coating for less wavelength shift by humidity with Ion Assist Deposition machine High dense and uniform coating with Ion Beam Sputtering machine