Results 241 to 250 of about 4,722,607 (293)

Circulating tumor DNA in lymphoma: technologies and applications. [PDF]

J Hematol Oncol
Fu L, Zhou X, Zhang X, Li X, Zhang F, Gu H, Wang X.   +6 more
europepmc   +1 more source

Beaming power: Photovoltaic laser power converters for power-by-light

Joule, 2022
Photovoltaic laser power converters (PVLPCs) are the core element of power-by-light (PBL) systems, which are basically made up of a power laser, an optical fiber, and a PVLPC. PBL allows the safe transfer of power in situations where the direct use of electrical energy to power electronic equipment is either not possible or not recommendable. The first
Ignacio Rey-Stolle, Rafael Pena, Ivan Garcia   +2 more
exaly   +5 more sources

Comparison of Terahertz, Microwave, and Laser Power Beaming Under Clear and Adverse Weather Conditions

Journal of Infrared, Millimeter, and Terahertz Waves, 2020
Wireless transmission of power from point to point has been developed in two predominate electromagnetic frequency ranges: near-infrared and microwave.
Ian Gatley, John Federici, Kate J Duncan   +2 more
exaly   +2 more sources

Transient coupled model on efficiency prediction of laser power beaming for aerostat [PDF]

Optics and Laser Technology, 2020
The concept of Laser power beaming is firstly demonstrated for remote power supply. Then, an empirical model is developed on the atmospheric attenuation of Laser and numerical examples presented for typical situations. Later on, a transient coupled model
Chen-Wu Wu, Chen-Guang Huang
exaly   +3 more sources

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Coherent beam combining of cylindrical vector beams for power scaling

Optics Letters, 2023
Coherent beam combining (CBC) of cylindrical vector beams (CVBs) based on an active phase controller is proposed and demonstrated. Experimentally, two pieces of spatially variant wave plates (S-wave plate) were employed as vector mode convertors for two individual 1064-nm fiber amplifier channels.
Shixin, Liu, Hang, Liu, Xuepeng, Qi, Wanjing, Peng, Yujun, Feng, Li, Chen, Zhendong, Li, Yinhong, Sun, Yi, Ma, Zhigang, Zhao, Qingsong, Gao, Zhaojun, Liu, Chun, Tang   +12 more
openaire   +2 more sources

High-power beam control: results-to-date and relevance to power beaming

SPIE Proceedings, 1997
Over the past fifteen years, the mid-infrared advanced chemical laser (MIRACL) and SeaLite beam director (SLBD) have been completed, moved to the High Energy Laser System Test Facility (HELSTF) at White Sands Missile Range, New Mexico, and integrated into the largest and most powerful high energy laser system in the U.S.
John R. Albertine, Sadegh Siahatgar, Harold E. Bennett   +2 more
openaire   +1 more source

Laser beam power control device

Journal of Physics E: Scientific Instruments, 1968
A simple, reliable device for continuously varying the intensity and plane of polarization of laser beams over a wide range is described. It consists of a series of transparent dielectric plates set at the Brewster angle and capable of rotation about the incident beam axis.
L R, Evans, C G, Morgan
openaire   +2 more sources

Laser–particle interactions in shaped beams: Beam power normalization

Journal of Quantitative Spectroscopy and Radiative Transfer, 2013
Abstract We present a semi-analytic theory for calculating light–particle interactions in shaped laser beams even when the paraxial beam description is invalid. It requires weighting the expressions for the cross sections with a beam normalization parameter, ϰ , associated with the incident power.
Stout, Brian, Rolly, Brice, Fall, Mandiaye, Hazart, Jérôme, Bonod, Nicolas   +4 more
openaire   +2 more sources