An intensity interferometer is the name given to devices that use the Hanbury Brown and Twiss effect. In astronomy, the most common use of such an astronomical...

The Narrabri Stellar Intensity Interferometer (NSII) was the first astronomical instrument to measure the diameters of a large number of stars at visible...

Astronomical interferometer / Michelson stellar interferometer Classical interference microscopy Bath interferometer (common path) Cyclic interferometer Diffraction-grating...

will have an intermediate intensity pattern, which can be used to determine their relative phase difference. Most interferometers use light or some other...

infrared interferometers, such as the Infrared Spatial Interferometer. Some early radio interferometers operated as intensity interferometers, transmitting...

The Michelson interferometer is a common configuration for optical interferometry and was invented by the 19/20th-century American physicist Albert Abraham...

1954, Robert Hanbury Brown and Richard Q. Twiss introduced the intensity interferometer concept to radio astronomy for measuring the tiny angular size...

Hanbury Brown. It led to the development of the Hanbury Brown-Twiss intensity interferometer in the UK in 1954. Their work appeared to contradict the established...

In optics, a Fabry–Pérot interferometer (FPI) or etalon is an optical cavity made from two parallel reflecting surfaces (i.e.: thin mirrors). Optical waves...

The Mach–Zehnder interferometer is a device used to determine the relative phase shift variations between two collimated beams derived by splitting light...

the creation of intensity interferometers. Hanbury Brown was one of the main designers of the Narrabri Stellar Intensity Interferometer and received a...

R. Q. (1958). "Interferometry of the Intensity Fluctuations in Light. IV. A Test of an Intensity Interferometer on Sirius A". Proceedings of the Royal...

spectroscopic measurements. Between 1966 and 1970, the Narrabri Stellar Intensity Interferometer was used to observe the pair and to directly measure the orbital...

A Mirau interferometer works on the same basic principle as a Michelson interferometer. The difference between the two is in the physical location of the...

creating an interference pattern. Another version is the Mach–Zehnder interferometer, which splits the beam with a beam splitter. In the basic version of...

interferometer, Michelson interferometer, and Sagnac interferometer), interference manifests itself as intensity oscillations over time or space, also called...

interference intensity is the intensity-keyed signal. Delay line interferometer and Optical DPSK demodulator All-Fiber Delay line interferometer and Optical...

There are four nearly equal intensity Fresnel reflections (~4% for refraction coefficient 1.5) from the air-wedge interferometer (Fig.1): from the exterior...

In optics, a Gires–Tournois etalon (also known as Gires–Tournois interferometer) is a transparent plate with two reflecting surfaces, one of which has...

been suspected from observations made with the Narrabri Stellar Intensity Interferometer in the 1970s. The stellar parallax derived from observations by...

spectrum of wavelengths to be measured. The light shines into a Michelson interferometer—a certain configuration of mirrors, one of which is moved by a motor...

Velocity interferometer system for any reflector (VISAR) is a time-resolved velocity measurement system that uses laser interferometry to measure the surface...

different interferometer techniques, three are most prevalent: diffraction grating interferometers. vertical scanning or coherence probe interferometers. white...

between two successive reflected or transmitted optical intensity maxima or minima of an interferometer or diffractive optical element. The FSR is not always...

diffraction interferometer (PDI) is a type of common-path interferometer. Unlike an amplitude-splitting interferometer, such as a Michelson interferometer, which...

January 2012 OSIRIS was moved to the Keck I telescope. Keck Interferometer The Interferometer allowed the light from both Keck telescopes to be combined...

astronomer and physicist Robert Hanbury Brown, developer of the intensity interferometer and discoverer of the Hanbury Brown and Twiss effect, was born...

may be used to calculate the spectrum of a source of light, while the intensity autocorrelation and the interferometric autocorrelation are commonly used...

research at other sites in the Narrabri area. The Narrabri Stellar Intensity Interferometer (NSII), the predecessor of SUSI, was located about 10 km north...

{\displaystyle \tau } . A detector measures the time-averaged intensity of the light exiting the interferometer. The resulting visibility of the interference pattern...