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2. Stanley E. Whitcomb - Wikipedia

   en.wikipedia.org/wiki/Stanley_E._Whitcomb

   Stanley Ernest Whitcomb (born January 23, 1951, in Denver) [1] is an American physicist and was the chief scientist at the Laser Interferometer Gravitational-Wave Observatory (LIGO) project when the first direct detection of gravitational waves was made in September 2015.

3. LIGO - Wikipedia

   en.wikipedia.org/wiki/LIGO

   During the Initial and Enhanced LIGO phases, a half-length interferometer operated in parallel with the main interferometer. For this 2 km interferometer, the Fabry–Pérot arm cavities had the same optical finesse, and, thus, half the storage time as the 4 km interferometers. With half the storage time, the theoretical strain sensitivity was ...

4. Gravitational-wave observatory - Wikipedia

   en.wikipedia.org/wiki/Gravitational-wave_observatory

   A schematic diagram of a laser interferometer. A gravitational-wave detector (used in a gravitational-wave observatory) is any device designed to measure tiny distortions of spacetime called gravitational waves. Since the 1960s, various kinds of gravitational-wave detectors have been built and constantly improved.

5. Ground-based interferometric gravitational-wave search

   en.wikipedia.org/wiki/Ground-based_interfero...

   A laser is divided into two beams by a beam splitter tilted by 45 degrees. The two beams propagate in the two perpendicular arms of the interferometer, are reflected by mirrors located at the end of the arms, and recombine on the beam splitter, generating interferences which are detected by a photodiode. An incoming gravitational wave changes ...

6. Leighton Radio Telescopes - Wikipedia

   en.wikipedia.org/wiki/Leighton_Radio_Telescopes

   In 1973 Robert Leighton proposed to the NSF to build four 10.4 meter diameter parabolic dish radio antennas. Three of the antennas were to be used as a mm-wave interferometer to be sited at OVRO, and the fourth was to be used as a single submillimeter telescope at a high mountain site.

7. Velocity interferometer system for any reflector - Wikipedia

   en.wikipedia.org/wiki/Velocity_interferometer...

   Profile of a shockwave going through a solid, Adapted from Marc Meyers's "Dynamic Behavior of Materials". Velocity interferometer system for any reflector (VISAR) is a time-resolved velocity measurement system that uses laser interferometry to measure the surface velocity of solids moving at high speeds. [1]

8. Walmart Gets Laser-Focused on Lowest Prices Again - AOL

   www.aol.com/2012/03/29/walmart-gets-laser...

   Walmart (WMT) has put out an APB for shoppers: "We have the lowest prices all the time. Period." This week, the nation's biggest retailer detailed its $2 billion plan to "reinvest" in low prices ...

9. Interferometry - Wikipedia

   en.wikipedia.org/wiki/Interferometry

   Figure 1. The light path through a Michelson interferometer.The two light rays with a common source combine at the half-silvered mirror to reach the detector. They may either interfere constructively (strengthening in intensity) if their light waves arrive in phase, or interfere destructively (weakening in intensity) if they arrive out of phase, depending on the exact distances between the ...