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Modern Optics and Spectroscopy Seminar

Seeing and Shaping the Microscopic World with Multiphoton Absorption

John Fourkas
Department of Chemistry
Boston College


The inherent optical nonlinearity of multiphoton absorption (MPA) allows for the localization of photophysical and photochemical processes within a tight focal volume, the position of which can be controlled in three dimensions. This feature of MPA has led to numerous advances in 3-D imaging and fabrication in recent years. I will discuss two particular applications of MPA, multiphoton-absorption-induced luminescence for the detection of single nanoparticles and the fabrication of functional 3-D microdevices.

Tuesday April 29, 12:00-1:00pm; Grier Room (34-401)

Refreshments served following the seminar

Sponsored by the George R. Harrison Spectroscopy Laboratory and
the School of Science, Massachusetts Institute of Technology, and
the Rowland Institute for Science.