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Photonic refrigeration

WebThis value is limited only by the current material purity. Advanced material synthesis approaches reviewed here would allow reaching temperatures approaching 80 K. Current results and projected improvements position optical refrigeration as the only viable all-solid-state cooling approach for cryogenic temperatures. Photon. Res. 7(4) 445-451 ... WebThe process of optical refrigeration can occur only in special high-purity materials that have appropriately spaced energy levels and emit light with high quantum efficiency. So far, optical refrigeration research has been confined to either glasses and crystals doped with rare-earth (RE) elements or direct-bandgap

Photonic refrigeration from time-modulated thermal …

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About Phononic Solid State Cooling Solutions & Technology

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Near-field photonic cooling through control of the ... - ResearchGate

Category:Optical refrigeration Nature Photonics

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Photonic refrigeration

Dual-band nonreciprocal thermal radiation by coupling optical …

WebFeb 1, 2024 · Critical to these photonic cooling approaches is the use of low-entropy coherent radiation from lasers, which makes the cooling process thermodynamically feasible4–6. Recent theoretical work7 ... WebMay 1, 2024 · We highlight nonreciprocal emission and absorption in a spatiotemporally modulated antenna and photonic refrigeration based on time modulation. In Sec. V, we discuss the use of Kerr nonlinearity ...

Photonic refrigeration

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WebOptical refrigeration is a technique for cooling macroscopic samples via laser-induced fluorescence. Cryogenic temperatures are readily achieved with some materials. WebFeb 21, 2024 · which is described by Eqs. (1)-(2), can achieve photonic refrigeration. For illustration, we rst consider the sim-plest case: in the setup of Fig. 1(a), we assume that …

WebFeb 21, 2024 · Photonic Refrigeration from Time-Modulated Thermal Emission Phys Rev Lett. 2024 Feb 21;124(7):077402. doi: 10.1103/PhysRevLett.124.077402. Authors … WebWe studied energy conversion devices based near field heat transfer, including a first demonstration of photonic refrigeration using incoherent light, and boosting …

WebFeb 21, 2024 · The U.S. Department of Energy's Office of Scientific and Technical Information WebFeb 26, 2024 · More information: Siddharth Buddhiraju et al. Photonic Refrigeration from Time-Modulated Thermal Emission, Physical Review Letters (2024). DOI: 10.1103/PhysRevLett.124.077402 , On Arxiv: arxiv.org ...

http://www.phys.unm.edu/msbahae/publications/Sheik-Bahae%20&amp;%20Epstein-%20nphoton.2007.244.pdf

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