WINDOW BK-7

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    Catalog No. Description QOH Order
    W-1012-BK7-BBAR(0.4-1.0) more info...

    W-1012-BK7-BBAR(0.4-1.0)

    CONFIGURATION: DISC, PLANE-PARALLEL
    DIAMETER: 1.000″+.000″/-.005″
    THICKNESS: 0.120″+/-.005″
    PARALLELISM: 3 ARC MINUTES MAXIMUM.
    EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
    SURFACE ACCURACY: 1/4 WAVE MAXIMUM, 2 FACES.
    SURFACE QUALITY: 20-10 PER MIL-O-13830, 2 FACES.
    CLEAR APERTURE: CENTRAL 0.900 MINIMUM DIAMETER.
    MATERIAL TYPE/QUALITY: BK-7 GLASS, GRADE A.
    COATING: BROAD-BAND ANTIREFLECTIVE COATED FOR
    1.0% MAXIMUM REFLECTANCE PER SURFACE FROM
    0.400um TO 1.00um WITH A NORMAL INCIDENCE
    ANGLE, APPLIED TO BOTH FACES.

    1Register for Pricing
    W-1012-BK7-UC more info...

    W-1012-BK7-UC

    CONFIGURATION: DISC, PLANE-PARALLEL
    DIAMETER: 1.000″+.000″/-.005″
    THICKNESS: 0.120″+/-.005″
    PARALLELISM: 3 ARC MINUTES MAXIMUM.
    EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES.
    SURFACE ACCURACY: 1/2 WAVE MAXIMUM, 2 FACES.
    SURFACE QUALITY: 60-40 PER MIL-O-13830, 2 FACES.
    CLEAR APERTURE: CENTRAL 0.900 MINIMUM DIAMETER.
    MATERIAL TYPE/QUALITY: BK-7 GLASS, GRADE A.
    COATING: NONE, UNCOATED SUBSTRATE.

    0Register for Pricing
    WS-101008-BK7-MgF2AR(0.4-1.5) more info...

    WS-101008-BK7-MgF2AR(0.4-1.5)

    CONFIGURATION: PLATE, PLANE-PARALLEL
    L X W: 1.030″ X 1.030″ +.000″/-.010″
    THICKNESS: 0.080″+/-.005″
    PARALLELISM: 10 ARC SECONDS MAXIMUM.
    FLATNESS: 1/4 WAVE MAXIMUM AT 0.633u, 2 FACES.
    SURFACE FINISH: 20-10 SCRATCH/DIG PER MIL-O-13830,
    2 FACES.
    EDGE BEVEL: 0.25mm NOMINAL X 45deg, ALL EDGES.
    MATERIAL TYPE/QUALITY: SCHOTT BK-7 GLASS, GRADE A
    FINE ANNEALED.
    COATING: ANTIREFLECTIVE COATED WITH MgF2 FOR
    MAXIMUM TRANSMISSION FROM 0.40 TO 1.50
    MICRONS WITH A NORMAL INCIDENCE ANGLE,
    APPLIED TO BOTH FACES.

    14Register for Pricing