Ultraviolet (UV) rays are electromagnetic waves with wavelengths ranging from 100 to 380 nanometers (nm). These wavelengths can be classified into three regions: UV-A (315–380 nm), UV-B (280–315 nm), and UV-C (100–280 ...
Optics & Photonics
Oct 20, 2023
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The mid-infrared spectral region has attracted great research interest over the past decade, as it is important for many biomedical and sensing applications. However, there is still a major challenge to develop compact and ...
Optics & Photonics
Sep 1, 2023
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Multiphoton lithography (MPL) is a technique that uses ultra-short laser pulses to create complex three-dimensional (3D) structures at the micro- and nanoscale. It is based on the principle of multiphoton absorption (MPA), ...
Researchers have shown that dissipative Kerr solitons (DKSs) can be used to create chip-based optical frequency combs with enough output power for use in optical atomic clocks and other practical applications. The advance ...
Optics & Photonics
Aug 29, 2023
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Trace gas sensors are used in different fields. Light-induced thermoelastic spectroscopy (LITES) has extremely high sensitivity and offers non-contact measurement, attracting extensive research attention. In general, the ...
Optics & Photonics
Aug 23, 2023
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Since the conception of the laser frequency comb in the late 1990s, it has revolutionized the precise measurement of frequency and time. Beyond their initial use in optical clocks and precision spectroscopy, optical frequency ...
Optics & Photonics
Jul 27, 2023
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Fusion, which replicates the same reaction that powers the sun, has long been viewed as an ideal energy source due to its potential to be safe, clean, cheap, and reliable.
Plasma Physics
Jul 14, 2023
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High power/energy ultrafast fiber lasers have broadband applications in material processing, medicine, advanced manufacturing and other fields. Compared with solid-state lasers, fiber lasers have the advantages of compact ...
Optics & Photonics
May 18, 2023
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Photoexcitation, and especially photoionization, is one of the most important manifestations of the light-matter interaction in nature, ranging from photosynthesis in plants and vision in biology to photography and laser ...
Optics & Photonics
Apr 4, 2023
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Scientists have used a common weather forecasting technique for insights into how powerful lasers turn hunks of solid material into soups of electrically charged particles known as plasmas.
Optics & Photonics
Mar 31, 2023
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