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Narrowband pass filters are made using processes such as ion-assisted and ion beam sputtering; the selectable center wavelength range is 320-2000 nm, with a half-bandwidth range of 2-10 nm. Applications: optoelectronic detection equipment for life and health, fluorescence detection, biochemical analysis, and bioimaging.
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Bandpass filters allow a specific band of spectra to pass through while blocking the spectra on both sides. Applications: fluorescence microscopes, biochips, spectrophotometers, medical physical and chemical analysis equipment, criminal investigation and testing, optical instruments, scientific photography, life science testing instruments, etc.
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Multi-Bandpass optical filter is a filter that can transmit multiple spectral bands simultaneously. It can extract different spectral information in different wavelength ranges, thereby enabling multi-band analysis of the target. It is widely used in remote sensing mapping, sensors, medical, transportation, and other fields.
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laser elements are an integral part of laser.Total reflection mirror can form a laser resonator, the output mirror can adjust the proportion of laser output energy,anti-reflective film can effectively reduce the harmful laser reflection, and the polarizer can adjust the laser polarization state.
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The traditional design of bandpass filters in UV involves metals (usually Al or Ag). Induced transmission design with metal and dielectric membranes provides cost-effective UV filters and high barrier across the entire visible wavelength range. Disadvantages include low transmittance (usually around 20%) and not very steep spectral edges.
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Notch filters are a type of optical filter that selectively blocks specific frequency spectra within a wide spectral range. Their main function is to remove interference at specific frequencies in optical signal processing, thereby improving signal quality; or to prevent harmful strong light at specific frequencies.
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Edge filters block the light in a defined spectral region while transmites in a closely adjacent region . If the transmission region lies in the longer wave region compared with the rejection region, the filters are called long pass filters or cut on filters. In the inverse case, the filters are short pass filters or cut off filters.
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Neutral Density filters are mainly used to attenuate light intensity in a certain spectral range. It is widely used in various optical systems, such as spectrophotometers, clinical biochemical analysis equipment, chemical testing equipment, optical instruments, medical equipment, lighting equipment, and photography.
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Our company provides a variety of Color (Absorption) Glass, thermal insulation glass, neutral attenuation glass and other products, which are mainly used in the pharmaceutical field, photographic equipment, color amplifiers, instrumentation, optical instruments, teaching instruments, etc.
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Laser high-reflection mirrors use fused silica or BK7 as the substrate. The design angle is 0° or 45°, covering the visible and near-infrared major laser wavelengths. It has the characteristics of high damage threshold and high reflectivity, and the size can be customized.
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Dichroic mirrors are widely used in fluorescence detection systems, Raman spectroscopy, image processing, optical instruments, etc. When the light from the light source hits the dichroic filter, part of the light continues to travel through the dichroic filter, and the other part of the light is reflected by the dichroic filter.
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When the light is obliquely incidentified, the s,p spectra are separated due to the difference in effective admittance. Plate polarizers or PBS(polarizing beamsplitter prism) can divide the incident non-polarized light into two perpendicular linearly polarized beams.
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