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    • Alannah Johansen

    Applications Specialist, Alluxa

    Alannah Johansen is applications specialist at Alluxa (Santa Rosa, CA).

    FIGURE 1. A dual-band IR filter used to monitor climate change exhibits negligible absorption in the water band and low passband ripple.
    Optics

    Photonics Products: Optical Filters - Multiband coated filters redefine performance standards for scientific applications

    Amber Czajkowski
    June 13, 2016
    Advances in thin-film technology have given rise to a new class of multiband coatings.