Multiphoton excitation of fluorescence

Joseph R. Lakowicz; Ignacy Gryczynski

doi:10.1117/12.307075

1 May 1998 Multiphoton excitation of fluorescence

Proceedings Volume 3256, Advances in Optical Biophysics; (1998) https://doi.org/10.1117/12.307075
Event: BiOS '98 International Biomedical Optics Symposium, 1998, San Jose, CA, United States

Abstract

The increasing availability of fs lasers has resulted in expanded interest in multi-photon excitation of fluorescence. In this overview paper, we describe recent developments in multi-photon induced fluorescence spectroscopy and anisotropy. Experimental results are presented for three-photon excitation of tyrosine and tryptophan, and for the single tryptophan protein, troponin C Mutant F22. Three-photon excitation has been also applied to study DPH-labeled membranes and DNA stained with DAPI. The enhancement in spatial resolution resulting from three-photon excitation in spectroscopic and microscopic conditions is described for BBO scintillator in solution. We also describe two-photon excitation with using two-photon at different wavelengths.

Citation Download Citation

Joseph R. Lakowicz and Ignacy Gryczynski "Multiphoton excitation of fluorescence", Proc. SPIE 3256, Advances in Optical Biophysics, (1 May 1998); https://doi.org/10.1117/12.307075

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