Laser self-mixing interferometry (SMI) harnesses the phenomenon of optical feedback by reinjecting a fraction of a laser’s output back into its cavity. This reinjection leads to an interference effect ...

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The Laser Interferometer Gravitational Wave Observatory (LIGO) detects the ripples in space-time by using a device called laser interferometer, in which the time it takes light to travel between ...

Toward the development of a “quantum compass” for navigation when GPS signal unavailable. Sandia scientists prepare a rubidium cold-atom cell for an interferometry experiment. Scientists are ...

This animation, provided by the Max-Planck Institute for Extraterrestrial Physics (MPE), shows the path of light inside GRAVITY+, an instrument and a large and complex upgrade to ESO’s Very Large ...

Researchers at Northwestern University have developed a highly sensitive new tool that amplifies incredibly faint signals by 1,000 times, achieving a 50-fold improvement over previous methods. The ...

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EDINBURGH, Scotland UK Thursday 11th February 2021 – UniKLasers Limited, a leading manufacturer of high precision scientific laser instrumentation, has launched its new ultra-violet (UV) laser – The ...

Xarion’s laser-excited acoustics (LEA) is a couplant-free nondestructive testing (NDT) method that uses laser principles and an optical microphone without a membrane. In a single-sided “pitch-catch” ...

There are many different types of lasers—almost as many as there are applications for the same—but what ties them all together as a class is that they depend on the same physical effect: stimulated ...