Optical Surfaces Ltd has received an order from Armstrong Optical, a leading UK supplier of optical metrology instruments, to supply high specification transmission and reference flats for a custom ...

Abstract: Absolute testing is a key technique for achieving nanoscale measurements in Fizeau interferometry. Traditional methods use Zernike polynomials to fit the ...

Ten years ago, astronomers made an epic discovery with the Laser Interferometer Gravitational-Wave Observatory. Cosmology hasn’t been the same since, and it might not stay that way much longer. Out ...

High precision, dynamic interferometer combines short and long coherence capabilities into one system for measuring an expanded range of optics. 4D Technology, a subsidiary of Onto Innovation, ...

High precision, dynamic interferometer combines short and long coherence capabilities into one system for measuring an expanded range of optics. The AccuFiz Duo Fizeau interferometer combines short ...

In a number of ways, Zygo signified the coming together of several parties, whether it be the three founders of the company or the first two key investors: Wesleyan University in New England and Canon ...

Abstract: The modified Fizeau interferometer that allows to diagnose plane and spherical optical elements with the diameter ranging from 10 to 100 mm is discussed. The method of interference patterns ...

Government and space agencies are investing significantly in free space laser communications to meet the demands of data-intensive applications. By leveraging multiple wavelengths, laser sources have ...

ABSTRACT: Experiments on searching the space flows of luminiferous medium through Sagnac interferometer have been conducted. To do this, in one of the interferometer arms the inhomogeneity has been ...

ABSTRACT: The interferogram of multiple-beam Fizeau fringe technique plays an important role to investigate the optical properties of fiber because this interferogram provides us with useful ...