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Stimulated resonance Raman scattering from dye-doped polymer waveguides
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Molecular structure of DADSB. (b) Schematic diagram of experimental setup for optically pumped emission measurements. The emitted light was collected by CCD spectrometer with polarization angle .

Image of FIG. 2.
FIG. 2.

(a) Spontaneous fluorescence, (b) ASE, and (c) SRRS spectra of DADSB-doped PVP waveguides taken at , 452, and , respectively.

Image of FIG. 3.
FIG. 3.

Changes in spectral features of ASE and SRRS as a function of excitation wavelengths. The PL peak intensities (solid line) and FWHMs (dashed line) of the ASE (●) and SRRS (∎) spectra taken at varied were plotted.

Image of FIG. 4.
FIG. 4.

Changes in PL peak intensities of ASE (●) and SRRS (∎) spectra as a function of excitation pulse energy. The was fixed at . The peak intensity of the superimposed SRRS was obtained by subtracting the ASE background intensity.

Image of FIG. 5.
FIG. 5.

Polarization dependence of PL spectra of DADSB-doped waveguides. The SRRS peaks superimposed on the ASE spectra were taken at and 90°.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Stimulated resonance Raman scattering from dye-doped polymer waveguides