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3" Dia Optical Test Plate/ Reference Flat, 0.000001", 1/10 wave band, Dual Side

$ 41.18

Availability: 100 in stock
  • Return shipping will be paid by: Buyer
  • MPN: 89-103532
  • Refund will be given as: Money Back
  • All returns accepted: Returns Accepted
  • Restocking Fee: No
  • Item Type: Reference Flat
  • Brand: Bond Optics
  • Condition: Surface is pristine, zero scratches. Polished to each side to better than 1/10 wave flat (1 millionth inch)
  • Item must be returned within: 30 Days

    Description

    Up for sale is a
    3" Diameter Dual Side Reference Flat
    accurate to 1 micro-inch ( better than 1/10th wave).  Made from UV grade fused silica, this optical window has the hardness, & low expansion coefficient for your project needing a precision
    reference flat or
    window
    .  You can't make what you can't measure
    so this will give you the ability to guarantee flatness.   This has a MgF2 protective coating on S1 to give extra protection. These have polished sides to deter oil and gunk and are in
    Pristine Condition!!
    Comes with clear protective PETG storage case. The monochromatic flatness images are from these parts. 3 available.
    SPECS:
    Substrate: Fused Silica, Grade 0A
    Diameter: 76
    mm, +/- 0.3mm
    Thickness: 12.8 mm
    Serial
    Numbers: 640, 649, 657
    Accuracy Side 1:
    1/10
    wave band 546nm
    0.000,001
    inch
    Accuracy Side 2:
    1/10
    wave band 546nm
    0.000,001
    inch
    Evaluated conformance 03/17/2021
    As always,
    your complete satisfaction is guaranteed
    .  If not 100% satisfied with this, you may return.  I have many happy customers and would like you to become one as well.  Sizes up to 6” dia. available.  This came from USEC auction of AVLIS optics from 1999 and well stored since.
    Winning bid to pay .50 shipping within USA.