The LP650 long-wave pass filter is a filter that allows visible infrared light with a wavelength greater than or equal to 650 nanometers (nm) to pass through, while blocking visible light with a wavelength less than 650nm. The main feature of the LP650 long-wave pass filter is its selective transmission of the spectrum. In an optical system, it can pass light in a specific wavelength range (i.e., light with a wavelength greater than 650nm) to subsequent optical elements or detectors, while blocking light in other wavelength ranges from passing through.
Model:LP650 Filter
Specifications: Customized
Material: Optical glass
Due to its unique spectral characteristics, the LP650 long-wave pass filter is widely used in many fields. In medical beauty instruments and equipment, it can be used for phototherapy or laser therapy of specific wavelengths; in police multi-band detection instruments, it can be used for infrared imaging or night vision equipment; in stage lighting color filters, it can be used to adjust the color and effect of lights; there are similar applications in optical instruments, fiber optic lighting and other fields.
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 Imaging and Microscopy:Used to isolate fluorescence signals in the red or NIR spectrum.
Spectroscopy:Selects longer wavelengths for analysis in spectrometers and other analytical tools.
Night Vision and Surveillance:Allows NIR light to pass for cameras and sensors used in low-light conditions.
Laser Systems:Filters laser emissions for systems using red or NIR wavelengths.
Medical and Diagnostic Devices:Supports devices like pulse oximeters and NIR imaging systems.
Optical Communication:Optimizes signals in systems operating within the 650 nm+ range.
Optical path reference
