α 2 (ω 1; ω 2) is the ND-2PA coefficient for optical frequencies ω 1,2 and their associated irradiances I 1,2, E p is the Kane energy parameter, E gap is the bandgap energy, n 1,2 are the refractive ...

Two-photon excitation of fluorescent proteins is an attractive approach for imaging living systems. Today researchers are eager to know which proteins are the brightest and what the best excitation ...

Researchers at Kyushu University have developed a novel organic molecule that simultaneously exhibits two highly sought-after properties: efficient light emission suitable for advanced displays and ...