A team from Zhejiang University's College of Optoelectronic Science and Engineering and Haining International University recently published their research findings on the world's first perovskite laser in the international journal Nature. This device, which utilizes a dual optical microcavity structure, combines low power consumption with easy tunability, making it suitable for applications such as optical data transmission and as a light-emitting diode in integrated photonic chips and wearable devices.
Erbium doped fiber is the core component of PA amplifiers, which amplifies optical signals by doping the rare earth element erbium (Er) into the fiber core.
At the Laser World Expo in Munich, TRUMPF, the world's leading industrial laser manufacturer, presented an innovative system solution designed to improve the quality and efficiency of laser welding processes. The solution integrates multiple sensors to monitor key points in the welding process in real time.
Physicists at Harvard University have developed a powerful new on-chip laser that emits bright pulses in the mid-infrared spectrum—an elusive but extremely useful range of light that can be used to detect gases and enable new spectroscopic tools.
According to the direction of scattered light propagation, currently common distributed fiber optic sensing technologies are divided into two categories: backscattering distributed fiber optic sensing technology and interference distributed fiber optic sensing technology.
A pump laser is a laser used to provide an excitation light source for a fiber laser or fiber amplifier. The emission wavelength of a 980nm pump laser is approximately 980 nanometers (nm).
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