Target USAF 1951 Fluorescent 3x3 INCH (NEG)
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    Target USAF 1951 Fluorescent 3x3 INCH (NEG)

    Stock No. DA050

    Price: $238.50


    About This Product

    This enhanced version of the standard 1951 USAF target is uniquely suited to applications using a UV light source. This “Fluorescent” version is patterned on Corning 7980 Fused Silica for enhanced transmission in the UV spectrum (>92% @ 270nm). A UV-sensitive phosphorescent material is applied to the back of the glass substrate. The backing material emits a bright green visible light when exposed to a UV light source. The pattern is printed on the back side of the glass substrate so that the focal plane is in line with the phosphorescent coating.

    The pattern frequency is listed in terms of Line Pairs Per Millimeter (lp/mm). The image includes Group -2, Element 1 (0.25 lp/mm) through Group 7, Element 6 (228 lp/mm). The image is patterned in a negative fashion, meaning that a clear pattern is centered on an opaque field. The pattern is formed in durable double layer evaporative Chromium (Optical Density > 3.0) on a stable 1mm Fused Silica (quartz) substrate.

    USAF targets can be used in the determination of optical resolution, MTF, field distortion, and parfocal stability.

    For complete specifications, please see the drawing below under “Detailed Specifications”

    Specifications

    Product Drawing.pdf
    Pacific Rare Specialty Metals & ChemicalsLightWorks Optical SystemsII-VI Incorporated

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