Chirped cooling
WebIn this video, we look at some of the key physics behind a handful of techniques that can drive atoms to incredibly cold temperatures using nothing but light. WebJun 25, 2024 · Nature Physics - Laser cooling of optically trapped diatomic molecules CaF to sub-Doppler temperatures has been achieved. The …
Chirped cooling
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WebThe Holland theory group has just come up with a stunning idea for a new kind of laser cooling for use with ensembles of atoms that all “talk” to each other. In other words, the … WebThe principle of the laser is based on chirped pulse amplification; a stretched pulse is amplified to the demanded energy, and re-compressed afterwards. This report describes the performed work concerning the design and construc- tion of …
WebJan 13, 2015 · When the chirped pulse is applied in a pure dissipatively coupled optomechanical system, the cooling performance of the … Weba spatially-varying magnetic field, and “chirped” cool-ing [8], where the Doppler shift is compensated by a changing laser frequency. These two methods are still the only …
http://www.phys.ufl.edu/REU/2004/reports/schoenly.pdf WebDeveloping a theory specifically examining the role of linearly chirped laser pulses which implement quasi-reversible heat transfer between a semiconductor quantum dot exciton and the phonon reservoir, I was able to understand the fundamental requirements for the design of realistic quantum thermal machines, beyond those composed of quantum ...
WebNov 1, 2024 · A recombination plasma soft X-ray laser that is associated with Li-like Aluminum ion Al10+ 3d-4f transition (wavelength: 15.47 nm) was investigated to increase the gain coefficient. By optimizing the time interval of the 16-pulse train, higher-density plasma with a low temperature could be generated, and thus, we obtained the gain …
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