ZnSe MIRROR

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    Catalog No. Description QOH Order
    SCD1491-01B
    ZnSe MIRROR CC 25.40mmD 4000m
    25.40mm DIA. X 7.35mm EDGE THK
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    SCD1491-01B

    CONFIGURATION: DISC, PLANO-CONCAVE (4 METER)
    DIAMETER: 25.40mm + 0.00mm /- 0.25mm
    EDGE THICKNESS: 7.35mm +/- 1.15mm
    WEDGE ERROR: 3 ARC MINUTES MAXIMUM.
    SURFACE ACCURACY: SURFACE”1″: 1/4 WAVE MAXIMUM
    SURFACE”2″: 1 WAVE MAXIMUM
    SURFACE QUALITY: 10-5 SCRATCH-DIG, 2 FACES.
    RADIUS of CURVATURE: 4000mm +/- 40mm (SURFACE”1″)
    MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE.
    COATING: SURFACE “1”: HIGH REFLECTANCE COATING
    (C0NCAVE) FOR > 99.90% REFLECTANCE
    AT 2.94 MICRONS WITH A
    NORMAL INCIDENCE ANGLE.
    SURFACE “2”: NONE, UNCOATED,TRANSMISSION
    (PLANO) 80% MIN AT 594nm, 90%
    BEST EFFORT
    DAMAGE THRESHOLD @ 2940nm: 400 J/SQ.CM, IN 100uSEC
    PULSE @ 10Hz.
    COATING DURABILITY: MIL-C-48497

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