Ultraviolet Filters

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  • In the Spotlight: Interference Bandpass Filters
    , these filters are designed to pass desired frequencies and reject wavelengths outside that particular range. For example, if you're after an optical component that transmits a portion of the infrared (IR) wavelength and blocks an amount of the ultraviolet (UV) waveband, Interference Bandpass Filters
  • Optical Filters in Water Analysis
    are susceptible to contaminants, corrosion, pollution and even sabotage. With the demand to identify the enormous number of contaminants with a broader spectrum coverage, a spectral analysis strategy has been extensively applied in which the information contained in the optical properties of the ultraviolet (UV
  • Coatings Corner: What is a UV Filter?
    A UV blocking filter or ultraviolet optical filter prevents ultraviolet light transmission. UV filters are commonly used in photography to reduce the level of ultraviolet light that strikes the recording medium. Historically, photographic films were mostly sensitive to UV light, which caused
  • Properly Clean and Maintain Optical Filters
    Some optical filters are only installed on the lens when they are used, such as polarizers, grayscale filters, while some are installed in front of the lens for a long time, such as UV lenses. At present, many people use UV mirrors as lens protection lenses, so they don't take good care of UV
  • Outsourcing Biopharma Water Treatment
    and membrane sanitization and cleaning, replacing normal wear-and-tear components such as pump seals, ultraviolet (UV) lamps and cartridge filter elements. Emergency service is available as part of the contract. Other services include: facility audits that evaluate current water treatment
  • Silicon Photodiodes Physics and Technology (.pdf)
    Silicon photodiodes are semiconductor devices used for the detection of light in ultra-violet, visible and infrared spectral regions. Because of their small size, low noise, high speed and good spectral response, silicon photodiodes are being used for both civilian and defense regulated
  • Museum Collection Care with Real-Time Monitoring
    CAS DataLoggers provided a real-time museum collection care solution for a museum housing fragile paintings and other artwork which needed to be protected against excessive illumination and ultraviolet light. Both these threats could fade or change the color of paint and dyes, so the building
  • Downstream Bioprocessing: More is More
    has developed a three-pronged orthogonal approach to viral clearance that appears to minimize these negatives. The technique employs three steps: membrane adsorption, ultraviolet-C inactivation, and filtration with a 20-nanometer dead-end filter. Key to the process are Sartobind Q anionic exchange

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