Технические характеристики
- Type Colored Glass Bandpass Filter
- Material Hoya U340 or equivalent
- Center Wavelength 340 nm
- Coating Type SiO2
- Angle of Incidence 0°
- Size Ø25.4 mm
- Size Tolerance ±0.3 mm
- Thickness 3 mm
- Thickness Tolerance ±0.1 mm
- Surface Flatness ≤1λ at 632.8 nm over the clear aperture
- Surface Quality 60-40 scratch-dig
- Damage Threshold 30 W/cm2 CW, Typical
- Wedge ≤3 arc min
- Clear Aperture central ≥ 80% of diameter
- Chamfers Up to 1 mm face width
- Chamfers Angle Tolerance 45° ±15°
- Cleaning See How to Clean Optics