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The attosecond level ultra short laser pulse provides a powerful method for detecting and imaging ultra short processes, such as the motion of electrons in atoms and molecules.Although ultra short laser pulses can be generated, generating ultra short and high-energy pulses is a continuous challenge. In order to expand the photon energy, photon flux, and continuous bandwidth of isolated attosecond ...
The time/frequency unit is the most accurate among the seven basic units, so many measurement studies that pursue ultra-high accuracy and sensitivity will be transformed into frequency measurements to achieve higher measurement accuracy and sensitivity. For example, by measuring the relative changes in the ratio of different atomic transition frequencies, ultralight dark matter can be detected or ...
A powerful telescope in South Africa has detected a space laser 5 billion light-years away from Earth, known as the "megamaser". Scientists named it Nkalakatha, which means "big boss" in Zulu language.Nkalakatha is the farthest hydroxyl giant detected so far, discovered by the MeerKAT telescope on the first night of the survey, which is expected to include 3000 hours of observation. The team of sc...
On September 1 local time, Coherent, an American laser system solutions provider, announced that Dr. Mark Sobey, president of its laser division, has officially retired from the company.In July 2022, II-VI and Coherent completed the merger and were reorganized into three business units: Lasers, Materials and Networking. Since this point, Dr. Sobey has served as President of Coherent's Laser divisi...
Recently, DE&T, a South Korean manufacturer of secondary batteries and display laser equipment, announced that the company will further expand its overseas business by opening new subsidiaries in the United States and Canada. According to its claim, this move is to carry out maintenance services for laser equipment locally. As of now, DE&T's overseas subsidiaries have increased from two to...