The LP620 long-wave pass filter is an optical element that allows visible light and infrared light with a wavelength greater than or equal to 620nm to pass through while blocking light with a wavelength less than 620nm. The LP620 long-wave pass filter plays an important role in scientific research such as spectral analysis, fluorescence detection, and Raman spectroscopy. In fluorescence spectrometer analysis and measurement, it can block the excitation light and only allow the fluorescence signal to pass, thereby improving the accuracy of spectral measurement. In Raman spectroscopy analysis, it can be used to block Rayleigh scattered light and improve the signal-to-noise ratio of the Raman scattering signal.
Model:LP620 Filter
Specifications: Customized
Material: Optical glass
Optical indicators
Transmittance band: 620nm-1100nm
Minimum transmittance: T>94%
Center wavelength: 620nm±3
Cut-off band: 350nm-610nm
Cut-off depth: T<0.1%
Optical indicators
Transmittance band: 660nm-1100nm
Minimum transmittance: T>90%
Central wavelength: 650nm±3
Cut-off band: 400nm-640nm
Cut-off depth: T<0.1%
Applications:
Fluorescence Microscopy:Used to isolate fluorescence signals in the red or near-infrared (NIR) spectrum.
Spectroscopy:Allows specific red or NIR signals to pass for precise analysis.
Biomedical Imaging:Utilized in devices like flow cytometers and imaging systems for specific wavelength isolation.
Machine Vision and Sorting:Enhances contrast in systems that rely on red or NIR illumination.
Laser Applications:Filters laser wavelengths for systems operating at or above 620 nm.
Photography and Art:Creates effects by blocking blue and green light, enhancing red tones.
Spectral curve
