Download Ultrashort Laser Pulses in Biology and Medicine by J. G. Fujimoto, A. D. Aguirre, Y. Chen, P. R. Herz, P. -L. PDF

By J. G. Fujimoto, A. D. Aguirre, Y. Chen, P. R. Herz, P. -L. Hsiung, T. H. Ko (auth.), Dr. Markus Braun, Dr. Peter Gilch, Prof. Dr. Wolfgang Zinth (eds.)

Sources of ultrashort laser pulses are these days commercially to be had and feature entered many components of study and improvement. This booklet offers an summary of organic and clinical functions of those laser pulses. The briefness of those laser pulses allows the tracing of the quickest approaches in photo-active bio-systems, that's one concentration of the booklet. the opposite concentration is functions that depend upon the excessive height depth of ultrashort laser pulses. Examples lined span non-linear imaging thoughts, optical tomography, and laser surgery.

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Unterhuber, B. Hermann, H. F. Fercher, W. Drexler, A. J. C. J. Russell, M. Vetterlein, E. Scherzer, Opt. Lett. 27, 1800 (2002) 45. M. R. X. G. Fujimoto, Opt. Lett. 27, 2037 (2002) 46. A. Unterhuber, B. Povazay, B. Hermann, H. Sattmann, W. Drexler, V. Yakovlev, G. Tempea, C. M. K. Ahnelt, M. E. Morgan, A. Cowey, G. Jung, T. Le, A. Stingl, Opt. Lett. 28, 905 (2003) 47. H. C. G. Fujimoto, D. Mamedov, V. Prokhorov, V. Shidlovski, S. Yakubovich, Opt. Exp. 12, 2112 (2004) 48. E. J. P. Bilinsky, B. G.

The probability of two-photon absorption with CW illumination is extremely low [6]. 2)). Solid-state lasers such as Cr:LiSAF, Nd:YLF, Nd:glass, and Cr:fosterite lasers, as well as dye- and fiber-based lasers have been employed for two-photon microscopy (for review see [16]). The most prominent light source, however, is the Ti:sapphire laser. Because of its high average power (up to several Watt), its broad tuning range (700–1 100 nm), short pulse duration (∼100 fs), repetition rates matching the nanosecond fluorescence lifetimes of many fluorophores, as well as reliable and robust operation, the Ti:sapphire laser has become the excitation source of choice for biomedical imaging.

We give an overview of fluorescence labeling techniques and how they are combined with 2PLSM for functional imaging and photomanipulation in living tissue. Finally, we discuss limitations and provide some future perspectives. 1 Two-Photon Fluorescence Excitation Two-photon absorption is a quantum event, in which two photons are virtually simultaneously absorbed within a narrow temporal window (of typically less than 10−15 s), each photon providing half the energy for the molecular transition to an excited state (Fig.

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