The FSQ-BG40 Colored Glass Bandpass Filter is a 50.8 x 50.8 mm square, blue bandpass optical filter made of Schott BG40 filter glass. These bandpass filters are precision polished for demanding research or OEM applications.
Технические характеристики
- Type Colored Glass Bandpass Filter
- Material Schott BG40 or equivalent
- Center Wavelength 495 nm
- FWHM 260 nm
- Angle of Incidence 0°
- Size 50.8 x 50.8 mm
- Size Tolerance ±0.3 mm
- Thickness 2.0 to 3.0 mm, typical
- Surface Flatness &le,2&lambda, at 632.8 nm over the clear aperture
- Surface Quality 60-40 scratch-dig
- Damage Threshold 30 W/cm2 CW, typical
- Wedge &le,3 arc min
- Clear Aperture central ≥ 80% of area
- Chamfers Up to 1 mm face width
- Chamfers Angle Tolerance 45° ±15°
- Cleaning See How to Clean Optics
