Title :
Amplified spontaneous emission and two-photon fluorescence in an organic single crystal composed of excited-state intramolecular proton transfer molecules
Author :
Jae Hyun Park ; Oc-Yeub Jeon ; Myoungsik Cha
Author_Institution :
Dept. of Phys., Pusan Nat. Univ., South Korea
Abstract :
Low-threshold amplified spontaneous emission of blue fluorescence was observed in an organic single crystal composed of excited-state intramolecular proton transfer molecules. The two-photon absorption spectrum has also been measured for efficient upconverted blue emission.
Keywords :
chemical exchanges; fluorescence; optical materials; organic compounds; superradiance; two-photon spectra; visible spectra; amplified spontaneous emission; blue fluorescence; excited-state intramolecular proton transfer molecule; organic single crystal; two-photon absorption spectrum; two-photon fluorescence; Absorption; Crystallization; Fluorescence; Laser excitation; Optical microscopy; Organic materials; Protons; Spontaneous emission; Stationary state; Stimulated emission;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549105
