What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed ...

X-ray astronomy is a somewhat neglected corner of the more general field of astronomy. The biggest names in telescopes, like ...

The “reference beam” is guided toward a high-quality surface, while the “test beam” is guided toward the test surface or via a test optic to a high-quality return mirror ... interferometry, created ...

The Verifire™ Laser Interferometer provides flatness metrology and surface form of optical components and wavefront of optical systems and subassemblies like windows, lenses, mirrors, prisms—and even ...