Abstract
Narrowed spectra at from a thin platelike crystal of distyrylbenzene derivative, 2,5-diphenyl-1,4-distyrylbenzene with two trans double bonds (trans-DPDSB) grown by vapor deposition, are observed. The trans-DPDSB crystal is irradiated by the third harmonic of a Nd:YAG laser. The FWHM of the narrowed spectra can reach for the crystal when the pumping energy is . The threshold value for an optically pumped laser is approximately .
© 2007 Optical Society of America
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