• Optics & Photonics 2020
    August 25 - 27th, 2020
    San Diego Convention Center
    San Diego, CA
    Booth #533
  • BiOS / Photonics West
    January 23 - 28th, 2021
    The Moscone Center
    San Francisco, CA.
    BiOS Booth #8341
    Photonics West Booth #: 3341
    October 18 - 21st, 2021
    Rochester Riverside Convention Center
    Rochester, NY
    Booth # TBD

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                STANDARD IR BANDPASS FILTERS In the infrared region of the spectrum, bandpass filters are frequently used for gas analysis applications. Andover offers a standard selection of gas analysis filters at popular wavelengths. We can also produce custom filters at wavelengths up to 14µm. Constructed…
SEMI-CUSTOM BANDPASS FILTERS In order to make it simple for customers to custom-tailor an optical bandpass fillter for their application, Andover offers a line of Semi-Custom bandpass filters. Their construction is similar to both the Standard Bandpass and High-Transmitting bandpass filter offerings. We offer a wide selection of wavelengths, bandwidths and sizes, and offer two…
IMAGE QUALITY FILTERS Have demanding custom imaging requirements? Image quality filters are ideal for applications that require high resolution, such as astronomical observations, video monitoring systems, high-resolution photography, and other imaging applications. To meet these demanding requirements, Andover Corporation has developed a line of custom Image Quality (IQ) filters…
  FREQUENTLY ASKED QUESTIONS How do you distinguish between an image quality and a commercial quality filter? Image quality filters are ideal for applications that require high resolution, such as astronomical observations. To make these products, we polish high-quality optical glass to ensure the substrate is extremely flat and parallel, and then apply…
ANTI-REFLECTION COATINGS What is Anti-reflective Coating? An antireflective or anti-reflection (AR) coating is a type of optical coating applied to the surface of optical filters and other optical elements to reduce reflection. In typical imaging systems, this improves the efficiency since…
TEST AND MEASUREMENT CAPABILITIES Andover has the ability to perform a wide variety of testing and measurements to ensure compliance with all apllicable customer specifications, as well as military and aerospace standards. Our testing capabilities are extensive, including both automated spectrophotometers for broadband spectral measurements, and ultra-high-resolution…