Up‐conversion Luminescence in Dye‐Doped Crystals of Potassium Hydrogen Phthalate | Zendy

Benedict J.B. | Zendy; Wallace P.M. | Zendy; Reid P.J. | Zendy; Jang S.H. | Zendy; Kahr B. | Zendy

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Up‐conversion Luminescence in Dye‐Doped Crystals of Potassium Hydrogen Phthalate

Author(s) -

Benedict J.B.,

Wallace P.M.,

Reid P.J.,

Jang S.H.,

Kahr B.

Publication year - 2003

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200303715

Subject(s) - materials science , luminescence , absorption (acoustics) , fluorescence , doping , potassium , excitation , second harmonic generation , photochemistry , laser , optoelectronics , optics , chemistry , physics , electrical engineering , metallurgy , composite material , engineering

Optically nonlinear single crystals of potassium hydrogen phthalate were grown in the presence of a variety of laser dyes. Up‐conversion fluorescence (as shown in the Figure) in the visible part of the spectrum was observed as a result of two excitation mechanisms involving trapped, oriented luminophores: two‐photon absorption in general orientations, and absorption of the second harmonic of the fundamental beam at 800 nm, when aligned with the phase‐matching direction.

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