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Overview
Precision Spectral Isolation: Ultra-Narrow Bandwidth with Deep Background Suppression
Narrowband Interference Filters are critical components for high-sensitivity optical systems, specifically engineered to isolate a target Center Wavelength (CWL) from a complex spectral background. Utilizing advanced multi-layer thin-film interference technology, our filters achieve an ultra-narrow Full Width at Half Maximum (FWHM)—typically ranging from 1nm to 10nm—while providing deep out-of-band blocking up to OD4 or OD6.
VenusLab’s narrowband filters are manufactured using Hard-Coating and Ion-Assisted Deposition (IAD) techniques. Unlike traditional soft-coated filters, our products offer superior durability and environmental stability, ensuring that the CWL does not shift due to changes in humidity or temperature. Whether for laser line cleaning, fluorescence microscopy, or industrial sensing, these filters significantly enhance the signal-to-noise ratio, allowing you to capture the most subtle optical signals with confidence.
Qualification
Selection Chart
Serivce & Support
Explore Series
Model
Diameter (mm)
FWHM (nm)
CWL (nm)
Peak Transmission (%)
Action
