March 14, 2024 Chip-based devices known as frequency combs, which measure the frequency of light waves with unparalleled precision, have revolutionized time keeping, the detection of planets outside of our solar system and high-speed optical […]
Calculating TAI is a major resource for determining Coordinated Universal Time (UTC), the shared international reference time scale that countries worldwide use to synchronise clocks. Without UTC in place as the world’s agreed consistent time-base, […]
In photometry and colorimetry, standard CIE illuminant A tungsten-filament light sources have exclusively been used as calibration standard sources since 1932. As LEDs increasingly replace traditional lighting new means and methods of calibration are needed […]
An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible — potentially improving measurements of distance along with applications […]
by Martti Heinonen Europe aims at climate neutrality by 2050; to achieve this, plastic recycling needs to be increased through better processes and technologies. There is an increasing need for measurement technology that enable efficient […]
February 9, 2022 – Yokogawa Test&Measurement, a pioneer and leader in precision optical measurement, is pleased to announce that the latest addition to its optical spectrum analyzer line, the AQ6380 Highest Performance OSA has received […]
by Peter de Groot Over the last few decades, additive manufacturing (AM)/3D printing has fundamentally changed the way that manufacturers approach product development. Industry is now almost universally aware of the term rapid prototyping, using […]
Using cutting-edge optical frequency standards developed at PTB and NPL, the team has been able to demonstrate that their measurement precision is preserved even when transmitted across thousands of kilometers of optical fibre. Source: New […]
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