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On February 11th, global industrial fiber laser giant IPG Photonics announced its financial performance for the fourth quarter and full year of 2024. Annual sales have fallen below the $1 billion mark for the first time, with a year-on-year decline of 24% and a pre tax loss of up to $162 million. As an industry leader, IPG's financial report not only reflects the deep adjustment faced by the ind...
The formation of dissipative solitons is influenced by various factors, such as spectral filtering effect and Kerr nonlinearity effect. This interaction leads to the possibility of mode locking on a large range of parameters, generating pulses with completely different types and evolution from conventional physical laws and optical properties, tolerating higher nonlinear effects, and effectively a...
The SCALA 3 LiDAR (Laser Detection and Ranging System), the third generation LiDAR scanner from Valeo, won the "Vehicle Technology and Advanced Mobile Mobility" Innovation Award at the 2024 CES Consumer Electronics Exhibition.The first and second generation Fareo LiDARs SCALA 1 and SCALA 2 have achieved autonomous driving in traffic congestion situations. The third-generation LiDAR SCALA 3 has sig...
Electro optical modulators (EOMs) are the main components in optical communication networks, which can control the amplitude, phase, and polarization of light through external electrical signals.In order to achieve ultra compact and high-performance EOM, most of today's research focuses on on-chip devices that combine semiconductor technology with state-of-the-art tunable materials. However,...
Recently, scientists used laser gyroscopes to measure that the change in Earth's rotational speed is less than one millionth. This technology can help scientists understand the complex flow of water and air, which can cause the smallest adjustments to the Earth's rotation.The Earth's rotation is not completely stable. Planets accelerate or slow down as they rotate, slightly shortening or prolongin...