Bandpass filters are optical splitters that allow light signals to pass through a specific wavelength band, while blocking light signals on both sides outside this wavelength band. The wavelengths allowed to pass through can cover the ultraviolet, visible and infrared bands.
| Product material | optical grade glass |
| Product size | 5-80mm (customizable) |
| Center wavelength | 350-1100nm |
| FWHM | 30-400nm |
| Peak transmittance | 292% (customizable) |
| Cut-off wavelength | 200-1200nm |
| Cut-off depth | ≥OD4-OD6 |
| Surface finish | 60-40, 40-20 |
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