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New Zygo Transmission Spheres

29 July 2008

NEW Zygo Transmission Spheres

Zygo Corporation have introduced the NEW UltraSphere (λ/50) Transmission Sphere to enhance its range of transmission spheres for its laser Fizeau interferometer systems.

The range includes:

Standard Performance (λ/10) Transmission Spheres in 25mm, 4 inch and 6 inch Entrance Beam Diameters (interferometer apertures).

Standard Performance DynaFlect™ (λ/10) Transmission Spheres in 4 inch Entrance Beam Diameter (interferometer aperture).

DynaFlect Coated Transmission Spheres are best for metrology of test optics with > 40% reflectivity.

High Performance (λ/20) Transmission Spheres in 4 inch Entrance Beam Diameter (interferometer aperture).

The new Zygo UltraSphere (λ/50) Transmission Sphere product is designed to enable surface form metrology with an uncertainty in the RMS) of ≤ 3.2 nm (λ/200 at 633nm) when used with a Zygo interferometer. The UltraSphere is an uncoated transmission sphere. Like the Standard and High Performance transmission spheres, the UltraSphere range is best for metrology of test optics with ≤ 40% reflectivity.

The new Zygo UltraSphere (λ/50) is available in 4 inch aperture size with f/numbers of f/0.75, f/1.5 and f/3.3.

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