850nm Optical Bandpass Filter (FWHM 50nm)

Product Overview: Unlock precise optical performance with our 850nm Optical Bandpass Filter, designed to provide exceptional clarity and transmission for wavelengths near 850nm. With a Full Width at Half Maximum (FWHM) of 50nm, this filter is ideal for applications requiring targeted spectral isolation and minimal interference.

Specifications:

• Filter Type: Bandpass
• Wavelength Range: 825nm – 875nm (typical)
• Transmission Peak: 850nm
• Blockage: Excellent out-of-band rejection to minimize signal interference.
• Dimensions: Custom sizes available upon request.
• Mounting: Compatible with standard optical mounts and holders.

Coligh’s stock standard 850nm thin film optical filters feature:

• Feature: NIR bandpass filter
• Center wavenelgt： 850±5nm
• FWHM: 50±5nm
• Blocking range: 200-1100nm
• Blocking depth: OD3
• Transmission average: Above 90%
• Thickness：0.5mm, 0.55mm, 0.7mm, 1.0mm, 1.1mm
• Size: Any size below 100*100mm

Key Features:

• Optical Quality: Crafted from high-grade optical materials to ensure minimal distortion and high durability.
• Coating Technology: Advanced coatings reduce reflection and enhance transmission, providing superior performance in demanding environments.
• Applications: Perfect for use in fluorescence microscopy, optical communication systems, and various scientific research applications where precise wavelength selection is crucial.

Custom option:

• Bandwidth: 10nm, 25nm, 30nm, 50nm, 60nm, 70nm, 100nm, 150nm any bandwith client request
• Blocking depth:  OD4, OD5, OD6 is availiable
• Size: round or square smaller than 100*100mm
• Material thickness: Depend on request
• Transmission and blocking rang: custom as per requirement or between 200nm to 1500nm