650nm bandpass filter is an optical filter that allows only a narrow range of wavelengths centered around 650 nanometers to pass through while blocking all other wavelengths. It is commonly used in various applications such as spectrophotometry, color sensing, optical sensor and machine vision.

Coligh’s stock standard 650nm bandpass filter feature:

• Feature: VIS red bandpass filter
• Center wavelength: 650±10nm
• FWHM: 70nm±10nm
• Blocking range: 200-1100nm
• Blocking depth: OD2, OD3
• Transmission average: Above 90%
• Thickness：0.5mm, 0.55mm, 0.7mm, 1.0mm, 1.1mm
• Size: Any size below 100*100mm

Custom option:

• Bandwidth:10nm, 25nm, 30nm, 40nm, 50nm, 70nm, 100nm or 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