850nm Narrow Band Pass Filter for Precision Optical Applications
Published: 2026-08-19 11:10:45 Views: 13
As a professional manufacturer of precision optical thin-film components, sycco-optics (Shandong Yanggu Hengjing Optoelectronics) launches high-performance 850nm narrow band pass filters for near-infrared precision detection, intelligent sensing and optical imaging systems. Adopting advanced vacuum coating technology, the filter realizes high transmittance in the target band and deep blocking in interference bands. It effectively eliminates stray light and spectral noise, serving as a core optical component for machine vision, biochemical detection and photoelectric sensing equipment.
Key Optical Specifications
Central Wavelength (CWL): 850nm ± 5nm
Full Width at Half Maximum (FWHM): 20nm ± 2nm, customizable
Available Size: 3mm-80mm, custom sizes supported
Peak Transmittance: More than 90% at central wavelength, adjustable on request
Blocking Depth: OD3-OD6 from UV to NIR band
Substrate: High-quality optical glass
Surface Quality: 60-40, 40-20 precision grades
Product Performance Advantages
1. Ultra-high Spectral Selectivity
With a narrow effective transmission band, the 850nm narrow band pass filter accurately extracts target optical signals from complex broad-spectrum environments. It greatly suppresses ambient stray light and background interference, effectively improving the signal-to-noise ratio and detection accuracy of optical systems.
2. Precise Spectral Control
Designed with a fixed 850nm central wavelength and stable FWHM, the filter features steep spectral edges and precise filtering performance. It ensures accurate spectral control for high-precision optical applications with strict wavelength requirements.
3. Strong Customization Versatility
Customizable wavelength, bandwidth, dimension and blocking depth enable flexible adaptation to diverse scenarios, including biomedical detection, industrial machine vision, infrared intelligent recognition and spectral analysis.
4. Excellent Operational Stability
Manufactured with premium optical glass and high-precision coating technology, the filter delivers uniform light transmission and outstanding environmental durability. It avoids spectral drift and coating aging during long-term operation, ensuring consistent and reliable performance of optical devices.
Sycco-optics provides professional customized optical filter solutions and reliable mass production services for global customers.
