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Two-photon induced amplified spontaneous emission from needlelike triphenylamine-containing derivative crystals with low threshold
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10.1063/1.3142383
/content/aip/journal/apl/94/20/10.1063/1.3142383
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/20/10.1063/1.3142383

Figures

Image of FIG. 1.
FIG. 1.

(a) The absorption (left line) and PL spectra of Ph-TPA2 in solution (middle line) and crystal (right line). Inset: The chemical structure of Ph-TPA2. (b) X-ray powder diffraction pattern of the Ph-TPA2 crystal. Inset: The photograph of the crystal under fluorescence microscope.

Image of FIG. 2.
FIG. 2.

Normalized light emission spectra of Ph-TPA2 crystals at five different the intensity of the incident laser light (A) , (B) , (C) , (D) , (E) . Inset: Scheme of four-level mechanism including vibration sublevels.

Image of FIG. 3.
FIG. 3.

FWHM and PL peak intensity (inset) of self-waveguided light emission of a Ph-TPA2 single crystal as a function of the incident laser energy intensity.

Image of FIG. 4.
FIG. 4.

(a) Fluorescence spectra taken under the polarizer with the polarization of and 110 pumped at . Inset: dependence of the output intensity at peak position on polarization of angle. (b) Fluorescence spectra taken with the polarization of and 110 pumped at . Inset: dependence of the output intensity at peak position on polarization of angle.

Tables

Generic image for table
Table I.

Threshold of ASE for different crystals (a) pumped by two-photon (800 nm) and (b) single photon.

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/content/aip/journal/apl/94/20/10.1063/1.3142383
2009-05-22
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-photon induced amplified spontaneous emission from needlelike triphenylamine-containing derivative crystals with low threshold
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/20/10.1063/1.3142383
10.1063/1.3142383
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