850nm Narrow Band Pass Filter for Precision Optical Applications

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.