Visible light photonic integrated Brillouin laser - Nature
2021年8月3日 · Stimulated Brillouin scattering (SBS) is a promising approach to realize highly coherent on-chip visible light laser emission. Here we report demonstration of a visible light photonic integrated...
Visible Lasers - RP Photonics
The term visible lasers is used to denote lasers emitting visible light, or sometimes laser devices generating visible light via nonlinear frequency conversion. Visible light (for human eyes) corresponds to optical wavelengths roughly between 400 nm and 700 nm.
Visible Light - NASA Science
2016年8月10日 · Laser altimetry is an example of active remote sensing using visible light. NASA's Geoscience Laser Altimeter System (GLAS) instrument onboard the Ice, Cloud, and land Elevation Satellite (ICESat) enabled scientists to calculate the elevation of Earth's polar ice sheets using lasers and ancillary data.
Widely tunable and narrow-linewidth chip-scale lasers from near ...
2022年12月23日 · Here we demonstrate a chip-scale visible laser platform that enables tunable and narrow-linewidth lasers from near-ultraviolet to near-infrared wavelengths.
Tiny New Lasers Fill a Long-Standing Gap in the Rainbow of Visible ...
2024年8月28日 · Researchers refer to the dearth of stable, miniature lasers in this region of the visible-light spectrum as the “green gap.” Filling this gap opens new opportunities in underwater communications, medical treatments and more.
High-performance Visible-light Lasers that Fit on a Fingertip
Researchers at Columbia Engineering ’s Lipson Nanophotonics Group have created visible lasers of very pure colors from near-ultraviolet to near-infrared that fit on a fingertip. The colors of the lasers can be precisely tuned and extremely fast – up to 267 petahertz per second, which is critical for applications such as quantum optics.
[2102.10198] Visible light photonic integrated Brillouin laser
2021年2月19日 · Photonic integration of high spectral-purity visible light sources will enable experiments to increase in complexity and scale. Stimulated Brillouin scattering (SBS) is a promising approach to realize highly coherent on-chip visible light laser emission.
Intense ultraviolet–visible–infrared full-spectrum laser | Light ...
2023年8月22日 · In this work, we demonstrate an intense four-octave-spanning UV–Vis–IR full-spectrum laser source (300 nm to 5000 nm at −25 dB from the peak) coming from a cascaded HCF-LN-CPPLN optical module...
Visible light laser-induced graphene from phenolic resin: A new ...
2018年2月1日 · The efficient absorption of laser light by PR coatings themselves or dopants such as metal salts and organic dyes is demonstrated critical to the formation of PR-based LIG by visible light lasers. Based on this technique, self-designed and highly conductive graphene arrays can be easily constructed on various substrates to fabricate all-carbon ...
visible light - What is a laser spectrum? - Physics Stack Exchange
2024年4月6日 · The best-known and most widely used He-Ne laser operates at a wavelength of $632.8$ nm (in air), in the red part of the visible spectrum. This particular wavelength is due to transitions between two energy levels of the neon atoms.