Our high-durability
BANDPASS FILTER - FWHM 1~2nm lines are highly optimized for use across various high-end optical instruments, including fluorescence systems and laser line selection. Every band filter is built using hard-coated thin-film sputtering technology, ensuring excellent thermal stability and environmental durability. Spanning center wavelengths from 375nm up to 1064nm, these units maintain a robust
OD4 optical density rejection profile across the 200–1200nm range to keep background noise completely isolated.
By deploying our hard-coated
precision optics, engineering teams can confidently isolate tight spectral lines while eliminating unwanted background noise or secondary laser harmonics.
Key Features
Ultra-Narrow Bandwidth: FWHM 1–2 nm for precise isolation of target wavelengths-minimize noise, maximize signal integrity.
High Transmission: Up to 90% peak transmission at centre wavelengths-optimize light throughput for sensitive detection.
Broad Blocking: OD4 blocking (1:10,000 attenuation) across wide out-of-band ranges (see individual product specifications)-eliminate stray light and improve signal-to-noise ratios.
Precision Centre Wavelength: ±0.2–0.5 nm accuracy-ideal for systems requiring repeatable, calibration-grade performance.
Wide Spectral Coverage: Comprehensive portfolio from UV to NIR (375–1064 nm)-match your application with the optimal filter.