0535-0005
λ/20 · interferometer
Transmission Flat — 4 in
Verify the flatness of mirrors, prisms, and windows with an interferometer and a transmission flat. The 4 in Tower TX Flat provides a 100 mm clear aperture in a precision fused silica window mounted in an anodized 6061-T6 aluminum ring, compatible with most bayonet housings. One face AR-coated (R ≤ 0.25% @ 633 nm); ships with a documented interferogram and certificate of compliance in an aluminum case.
$3,350
per unit, with case
Stock / short lead time
Volume pricing, custom sizes, coatings and mounts available — review your quote list or request a formal quote.
Specifications
- Window material
- Fused silica
- Front surface
- λ/20
- Clear aperture
- 100 mm
- Wedge
- 15 ± 1 arc min
- Surface quality
- 20/10 both sides
- AR coating
- R ≤ 0.25% @ 633 nm (one side)
- Housing
- 6061-T6 aluminum, black anodize
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