940nm Bandpass Filter with FWHM 30nm

Optimize your optical setups with our advanced 940nm bandpass filter, designed for precise wavelength control and superior light transmission. Featuring a Full Width at Half Maximum (FWHM) of 30nm, this filter provides focused wavelength isolation and efficient performance.

Specifications:

• Central Wavelength: 940nm
• Full Width at Half Maximum (FWHM): 30nm
• Transmission Range: Transmits light between approximately 925nm and 955nm, with peak transmission at 940nm.
• Blocking Range: Attenuates wavelengths outside the 940nm ±15nm range to reduce interference and enhance signal clarity.

Features:

• Enhanced Transmission Efficiency: Engineered to maximize light throughput at 940nm, suitable for high-precision applications in optical communication, imaging, and scientific research.
• Precision Coatings: Utilizes advanced coatings to ensure durability, reliability, and accurate spectral performance in varied operational environments.

Applications:

• Imaging Systems: Perfect for imaging applications requiring accurate wavelength isolation to improve image quality and contrast, including high-resolution cameras and specialized imaging systems.
• Laser Systems: Ideal for 940nm laser applications needing a narrow passband and high transmission efficiency for stable, consistent performance.
• Spectroscopy: Suitable for spectroscopy tasks demanding precise wavelength isolation and detailed spectral analysis in the 940nm range.
• Sensor Filters: Enhances the performance of 940nm sensors by providing precise wavelength management for accurate readings and measurements.

Our 940nm bandpass filter with a 30nm FWHM is engineered to deliver exceptional performance, offering precise wavelength isolation and high transmission efficiency across a range of advanced optical applications.

Coligh’s stock standard 940nm optical glass filter 30nm FWHM feature:

• Feature: NIR bandpass filter
• Center wavelength: 940±5nm
• FWHM: 30±5nm
• Blocking range: 300-1100nm
• Blocking depth:OD3-OD4
• 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, 15nm, 20nm, 40nm, 45nm,  55nm, 60nm or  any bandwith client request
• Blocking depth:OD2,OD4, OD5 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