TRANSMISSION FLATS - Tower Optical - #1

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22 561-740-2525 • Fax 561-740-2518 sales@TowerOptical.com • www.TowerOptical.com Cage Code: 1N2U3 SDVO-SB ITAR Compliant Transmission Flats The surface flatness of plano elements such as mirrors, prisms and windows can be verified by the use of an interferometer in conjunction with a transmission flat. Transmission flats are used to measure surface flatness or transmitted wavefront of plano optics. The Tower TX Flat provides a clear aperture of 100 mm. The TX Flat is an assembly of a precision optical window mounted in an anodized aluminumring that providesmounting compatibility with most bayonet-style housings. The transmission flat assembly is supplied in an aluminum shipping/storage case. The TX Flat is supplied with one surface AR coated with R 0.25% @ 633 nm. The uncoated side has a reflectivity of about 4%. It is accompanied by a documented interferogram and Certificate of Compliance. Specifications Window Material: fused silica Transmitted wavefront distortion: 
20 Diameter: 114.2 mm Thickness: 19.0 mm Surface quality: 20/10, both sides Wedge: 15±1 arc minutes Protective bevel: 1.0 mm x 45° Anti reflective coating: one side, R0.25% @ 633 nm Housing Material: aluminum, 6061-T6 Diameter: 127.0 mm Height: 28.1 mm Finish: black anodize Case Material: aluminum frame Dimension: ~170 x 170 x 50 mm Model TX Flat • Fused silica • Surface accuracy of ë/20 • Wedge of 15 arc minutes • Clear aperture = 100 mm • Compatible with bayonet-style mount • Custom storage case included • Low cost Ordering Information Catalog number: 0535-0005 Price: . . . . . $1850.00