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Femtosecond laser emits ultra short light pulses with a duration of less than 1 picosecond, reaching the femtosecond domain. The characteristics of femtosecond lasers are extremely short pulse width and high peak intensity.Ultra short blasting can minimize waste heat, ensure precise material processing, and minimize incidental damage. Their peak intensities can cause nonlinear optical interactions...
Scientists from the University of Ljubljana in Slovenia have made groundbreaking discoveries and discovered a new innovative application of soap bubbles. By transforming these seemingly simple entities into laser sensors, they unleash the potential to detect electric fields and pressures. This extraordinary development has opened the door to various possibilities.Researchers at the University of L...
The emergence of ultrafast laser pulses marks an important milestone in laser science, triggering astonishing progress in a wide range of disciplines such as industrial applications, energy technology, and life sciences. Among various laser platforms that have been developed, fiber optic femtosecond oscillators are highly praised for their compact design, excellent performance, and cost-effectiven...
Conservation of energy is a fundamental concept in physics that can be used to explain anything from planetary orbits to the internal workings of individual atoms.Energy can be converted into other forms, but the overall energy level is usually considered to vary over time. Therefore, when attempting to describe a system, physicists usually pay attention to ensuring that it is isolated from the su...
Semiconductor quantum dots have the advantages of high quantum yield, narrow emission spectrum, and compatibility with solution processes. They have shown broad application prospects and enormous economic value in the field of optoelectronic materials and devices, and related research has won the Nobel Prize in Chemistry in 2023.Compared with traditional II-VI and III-V quantum dots (such as CdSe,...