Multilayer interference filter used in the infrared range of approximately 0.7 to 1000 μm.
It is a filter that controls infrared light by forming a multilayer film on optical substrates such as quartz, sapphire, Si, and Ge, utilizing the interference effect of the film. The selection of the optical substrate used takes advantage of the optical properties of the materials.
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basic information
【Product Lineup】 ◯ IR-BPF (Infrared Interference Filter) Transmits only infrared light within a limited wavelength range Available in types 0 to 3, corresponding to the ratio of the half-width to the center wavelength ◯ BSE (Body Detection Filter) Sharp cut-off below a specific wavelength, transmitting on the long wavelength side ◯ IR-SWPF (Infrared Short-Wave Pass Filter) Abruptly blocks wavelengths above a specific point, transmitting on the short wavelength side Can be combined with infrared long-wave pass filters to create wideband BPFs in any desired wavelength range ● For more details, please contact us.
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Applications/Examples of results
Infrared gas analysis (detection of gas concentrations such as CO2, CO, HC, NOX, SOX, O3, etc.) Infrared moisture analysis (detecting the absorption band of H2O for use in moisture measurement devices, etc.) Infrared radiation thermometer (used in thermography, temperature sensors, etc.) Infrared thickness gauge (detecting the absorption band of HC contained in polymers for use in film thickness measurement devices, etc.) Body sensor (used in automatic doors and alarm sensors that detect human presence, etc.) Others
Company information
Since its establishment in 1946, Nippon Vacuum Optics has been striving to improve optical thin film technology and has consistently pioneered cutting-edge technologies, including the establishment of high-frequency plasma and ion process technologies. The products created through its exceptional technical capabilities and reliable quality management system have gained high reliability across a wide range of fields, from home appliances to information and communication, biotechnology, and space development. Thus, the application areas of optical thin film technology are vast and limitless. As a "problem-solving company" proposing new possibilities for technology, we continue to respond to various themes faced by our customers and pursue customer satisfaction.
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