Energy transfer processes in a polymer laser

K. H. Ibnaouf; M. S. Alsalhi; Ziyad S. Abu Mustafa

doi:10.1117/12.874361

21 February 2011 Energy transfer processes in a polymer laser

K. H. Ibnaouf, M. S. Alsalhi, Ziyad S. Abu Mustafa

Proceedings Volume 7935, Organic Photonic Materials and Devices XIII; 79350C (2011) https://doi.org/10.1117/12.874361
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

In this work, we had studied the Amplified Spontaneous Emission( ASE) properties of polymer BEHP-co-MEH-PPV in THF, under pulsed laser excitation. In our earlier communication, we had shown that MEH-PPV alone could produce ASE under pulsed Nd: YAG laser excitation only in its excimeric state. A follow up study reported here, on conjugated polymer shows that in BEHP-co-MEH-PPV, the BEH-PPPV component is capable of forcing MEH-PPV to produce ASE at 560nm, which appears to arise out of the monomeric state of MEH-PPV. It is important to note that BEHP-PPV as a part of the compound could get excited by pump laser pulse, and transfer its excitation energy internally to MEH-PV helping MEH-PPV to produce ASE in non excimeric state. Also we had investigated the energy-transfer process externally from the donor coumarin485 (C485) to acceptor MEH-PPV By this processes also MEH- PPV could be forced to produce ASE from the monomeric state

Citation Download Citation

K. H. Ibnaouf, M. S. Alsalhi, and Ziyad S. Abu Mustafa "Energy transfer processes in a polymer laser", Proc. SPIE 7935, Organic Photonic Materials and Devices XIII, 79350C (21 February 2011); https://doi.org/10.1117/12.874361

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