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IR Long-wave Pass Filter is a cut-off filter whose switching wavelength is located in the infrared region, allowing the light on one side of the switching wavelength to pass through and the light on the other side to cut off.
The multispectral filter is precisely produced by the composite process of photolithography + coating. The deposition mask is produced by the high-precision reproduction photolithography technology, and the high-performance filter film of each spectrum segment is successively plated within the deposition pattern. Multi-spectral filters have high transmittance and excellent filtering characteristics. Multiple filter channels are integrated into a single substrate, and the spatial alignment...
Spliced multispectral filter adopts the method of cutting and splicing, combining multiple single spectral filters into a multispectral filter. The difficulty of this process is to control the parallelism of different channels, avoid light leakage in splicing gaps, and ensure the strength and reliability of splicing. The advantage of this technique is that multiple spectral channels can be spliced. Application:space remote sensing, imaging spectrometer, medical multispectral imaging and other...
Multilayer dielectric films are plated on optical elements or substrates to change the direction of light wave transmission. Applications range from laser beam processing to instrument construction and advanced imaging applications.The dielectric mirror produced by our company has high reflectivity, wide reflection band and good compactness. Specific technical indicators can be customized according to customer needs.
AI coating, Ag coating, Au coating of various types, ultra-wide spectrum high reflection, not sensitive to incident Angle and polarization state, used under small and medium power, with solid coating, no pinhole and other characteristics.
AI coating, Ag coating, Au coating of various types, ultra-wide spectrum high reflection, not sensitive to incident Angle and polarization state, used under small and medium power, with solid coating, no pinhole and other characteristics.
AI coating, Ag coating, Au coating of various types, ultra-wide spectrum high reflection, not sensitive to incident Angle and polarization state, used under small and medium power, with solid coating, no pinhole and other characteristics.
A laser band-pass filter has a wavelength of 355nm/532nm/633nm/1064nm/10.6 um and is characterized by high damage threshold, high surface quality and high precision. Application: laser cutting, laser welding, laser marking, etc. Technical specifications：
The laser radar filter is the core element of the laser detection and ranging system. The general wavelength of the laser radar filter produced by our company is 532 nm, 905 nm, 940 nm, 1064 nm, 1550 nm, etc. Application:Intelligent vehicle driving, atmospheric measurement, ocean research, military and other fields. Technical specifications：
Infrared band-pass filters are designed to detect and measure gases in the atmosphere. Many gases show specific absorption lines in the mid-to far-infrared range. The gas concentration can be measured using a filter that allows monitoring of the uptake of this particular gas. Application: mainly used in infrared optical smoke and dust concentration online monitoring equipment, pollution source smoke and dust emission monitoring, dust concentration monitoring in industrial manufacturing, dust...
linear gradient filter using continuous coating method, based on multi-layer wedge-shaped film structure to achieve spatial continuous changes in the filter characteristics. The slope of the film can be adjusted according to the dispersion demand to obtain the target linear rate of change. The linear gradient filter has the ability of high integration, and has the irreplaceable advantage in the miniaturization and lightweight design of spectral instrument. Applications: Lightweight...
linear gradient filter using continuous coating method, based on multi-layer wedge-shaped film structure to achieve spatial continuous changes in the filter characteristics. The slope of the film can be adjusted according to the dispersion demand to obtain the target linear rate of change. The linear gradient filter has the ability of high integration, and has the irreplaceable advantage in the miniaturization and lightweight design of spectral instrument. Applications: Lightweight...
linear gradient filter using continuous coating method, based on multi-layer wedge-shaped film structure to achieve spatial continuous changes in the filter characteristics. The slope of the film can be adjusted according to the dispersion demand to obtain the target linear rate of change. The linear gradient filter has the ability of high integration, and has the irreplaceable advantage in the miniaturization and lightweight design of spectral instrument. Applications: Lightweight...
pixel-level mosaic filter, reference color filter RGB channel arrangement, will be a number of micro-, meter-level spectral channels in accordance with certain rules arranged into a spectral period, a number of spectral period to mosaic, the way arranged on the filter surface. The physical size of the filter can be customized according to the pixel size of the detector, so that the spectral channel can be aligned with the detector pixel one by one. The filter has a highly integrated optical...
Pixel level step filter, whose spectral channel physical size is an integer multiple of detector pixel size in column direction, and is consistent with detector imaging surface size in row direction, so as to ensure the spectral response of the same row pixel is completely consistent after integration. In the actual production, the spectrum range, the number of channels and the layout can be designed according to customer needs. The spectral range can cover both visible and infrared, the number...
Infrared anti-reflection coating, also known as anti-reflection coating, is deposited on the surface of optical elements to reduce surface reflection and increase the transmittance of optical systems. Application field: Infrared measurement, infrared thermometer, forest fire prevention, human body temperature measurement, medical equipment treatment instrument, infrared waterproof, anti-fog, infrared optical instrument, etc.
Infrared band-pass filters have a wavelength range of 0.8-14um and excellent performance, featuring high transmittance, high-pass out-of-band inhibition, good surface quality and uniform coating. Application: security monitoring field, infrared gas analyzer, night vision products, infrared detector, infrared receiver, infrared induction, etc.
Cut-off filter as an important optical element, its characteristic is to let the light in a band range, the other band range of light through. The cut-off filter produced by our company has the characteristics of high transmittance, cut-off bandwidth and good film firmness. Applications: Biological recognition, medical testing instrument, multi-band detector, digital image application, machine vision, etc.
Cut-off filter as an important optical element, its characteristic is to let the light in a band range, the other band range of light through. The cut-off filter produced by our company has the characteristics of high transmittance, cut-off bandwidth and good film firmness. Applications: Bio-metrics, medical testing instrument, multi-band detector, digital image application, machine vision, etc.
A filter possessing a region of transmission bounded on either side by regions of rejection is known as a band-pass filter. Band pass filter is in a specific band to allow the light signal through, deviating from this band on both sides of the light signal is blocked. The wavelengths allowed to pass through the band can cover the ultraviolet band, visible band and infrared band. Applications: Fluorescence microscope, 3D imaging equipment, FCM(flow cytometry), security monitoring system,...
Notch filters (BEF, band inhibition) can transmission most wavelengths, but attenuates light to very low levels in a specific wavelength range (BEF). Notch filters, in contrast to band-pass filters, only inhibit light in a narrower wavelength range. Applications: Laser protection, Raman spectrometer, laser fluorescence analyzer, biomedical laser system, etc.
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