Photon conversion in Tb,Yb:CaxSr1-xAl2O4 nanocrystals
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2018.06.001
Abstract: Abstract In this work the fabrication and the photoluminescence properties of CaxSr1-xAl2O4 nanocrystals doped with Ca, Tb and Yb are investigated. The photoluminescence quantum yield measured at 980 nm of the Yb doped CaxSr1-xAl2O4 nanocrystals is… read more here.
Keywords: photoluminescence; caxsr1 xal2o4; photon conversion; xal2o4 nanocrystals ... See more keywords
Two-step photon up-conversion solar cells
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/ncomms14962
Abstract: Reducing the transmission loss for below-gap photons is a straightforward way to break the limit of the energy-conversion efficiency of solar cells (SCs). The up-conversion of below-gap photons is very promising for generating additional photocurrent.… read more here.
Keywords: step photon; photon conversion; two step; gap photons ... See more keywords
On the applicability of the Landau-Zener formula to axion-photon conversion
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2023/04/021
Abstract: Axions and photons resonantly interconvert in regions where the plasma frequency approximately equals the axion mass. This process is directly analogous to an avoided level crossing in quantum mechanics, for which the celebrated Landau-Zener (LZ)… read more here.
Keywords: landau zener; conversion; formula; axion photon ... See more keywords
High photon conversion efficiency continuous wave lasing in an optically pumped I2 hollow fiber gas laser in the visible region.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.009592
Abstract: Continuous wave lasing in the visible spectral region from a molecular iodine-filled hollow core photonic crystal fiber is demonstrated. More than an order of magnitude improvement in photon conversion efficiency has been achieved compared to… read more here.
Keywords: photon conversion; wave lasing; continuous wave; conversion efficiency ... See more keywords
High-performance organic upconversion device with 12% photon to photon conversion efficiency at 980 nm and bio-imaging application in near-infrared region.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.454655
Abstract: We demonstrated an organic upconversion device (UCD) successfully converted input NIR light (850-1310 nm) into 524 nm green emission. The UCD under 980 nm light irradiation exhibits a high photon to photon conversion efficiency of 12%. In addition,… read more here.
Keywords: organic upconversion; conversion efficiency; photon photon; photon conversion ... See more keywords