Bandpass filter glass DBT470

The bandpass filter glass DBT470 is an optical filter designed for a specific wavelength range (around 470nm), characterized by high transmittance, narrow bandpass, and deep cutoff. The following is a comprehensive information compilation:(Bandpass Filter Optical Glass,Laser rangefinder optical glass,Security monitoring optical filter,) 1. Product features Center wavelength: 470nm (bandwidth approximately 30nm) Transmittance: ≥ 90%, cut-off depth OD4 (i.e. transmittance ≤ 0.01%) Material: Optical glass substrate, surface coated with multiple layers of dielectric film Size: Common diameter 59mm (M62 threaded interface), supports customization 2. Application scenarios Optical instruments: used for fluorescence detection, laser measurement, and medical biochemical analysis (such as PCR machines) Industrial testing: automotive positioning, sensor filtering (such as facial recognition systems) Research field: Laboratory light source screening, environmental monitoring (such as 470nm green…