Transmission Flats

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Transmission Flats

Transmission flats come in a protective transmission flat storage case
Transmission Flat and Included Storage Box

Transmission Flat, Interferometer Test Setup for Plano Optics
Transmission Flats (TF) are used with an interferometer system for measuring the surface quality or transmitted wavefront of flat optical components and assemblies.

ZYGO transmission flats are made of fused silica, and are available in a variety of sizes: 33-mm, 4-inch, 6-inch, 12-inch, 18-inch, and 32-inch clear aperture.

Standard transmission flats have a reflectivity of 4%. This enables them to measure surfaces with 0.1% to 40% reflectivity. For surface reflectivities greater than 40%, either an attenuation filter or a Dynaflect™ coated transmission flat may be used to reduce the intensity of the beam returning to the interferometer. Dynaflect flats have a reflectivity of 20%, and can accommodate surfaces ranging from 4% to 99% reflectivity.

ZYGO also produces UV and IR interferometers and reference optics. Please contact Zygo to request further information.

Each transmission flat is mounted in a cell and comes with a storage case. The 4-inch and 6-inch transmission flats mount directly into the interferometer's accessory receptacle and other adjustable mounts.

Inquiry Form
Please use the form below to contact us with any questions you have regarding ZYGO Transmission Flats, interferometer systems, or interferometry in general.

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