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Laser sources operating in the 1.2 μm band have some unique applications in photodynamic therapy, biomedical diagnostics, and oxygen sensing. In addition, they can be used as pump sources for mid-infrared optical parameter generation and visible light generation through frequency doubling.Laser generation in the 1.2 μm band has been achieved by different solid-state lasers, including semicon...
The new photonic integrated circuit technology based on lithium tantalate has improved cost efficiency and scalability, making significant progress in the fields of optical communication and computing.The rapid development of photonic integrated circuits (PICs) has revolutionized optical communication and computing systems, combining multiple optical devices and functions on a single chip.For deca...
The research team led by Professor Gao Xiaoming and Professor Liu Kun of the Chinese Academy of Sciences Hefei Institute of Physical Sciences recently designed a concentration independent pressure sensing technology for high-temperature combustion diagnosis. This method is based on dual color laser absorption spectroscopy.The results of this study have been published in Optics Letters.Aircraft eng...
Archaeologists have long wondered why the people of Anglo Saxon England began using more silver coins and fewer gold coins between 660 and 750 AD. Researchers in Europe now say they have developed a method to help find the answer. This technology combines laser ablation with traditional trace element analysis to match the isotopic abundance of silver bars in coins with known sources of metal ores ...
A group of researchers from the Max Planck Institute for Material Structure and Dynamics in Germany explored the effect of manipulating the properties of quantum materials far from equilibrium through customized laser drivers. They found a more effective method to create previously observed metastable superconducting states in fullerene based materials using lasers.By tuning the light source to 10...