منابع مشابه
Applications of magnetooptical waveguides in integrated optics
Magnetooptical garnets combine high Faraday rotation with low optical losses in the near infrared region where optical communication via glass fiber is established. In this spectral range garnets are the only materials discussed to realize nonreciprocal devices as optical isolators and circulators. Although such devices are available as microoptical components, practical versions of their integ...
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Magnetooptical properties of the materials with periodically modulated dielectric constant – photonic crystals (or band-gap materials) have been examined with relation to their possible applications for the control of electromagnetic radiation in the integrated optics devices. For this investigation we propose the original theoretical approach based on the perturbation theory. Magnetooptical Fa...
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We are presently developing a Penning-trap based tool for advanced studies of multiphoton ionization of confined particles and other reactions by highly intense laser light. Particularly, ion manipulation techniques allow control over the particles’ localization and spatial density. It is thereby possible to optimize the laser-particle interaction which is of special importance when laser foci ...
متن کاملMultiphoton endoscopy.
Despite widespread use of multiphoton fluorescence microscopy, development of endoscopes for nonlinear optical imaging has been stymied by the degradation of ultrashort excitation pulses that occurs within optical fiber as a result of the combined effects of group-velocity dispersion and self-phase modulation. We introduce microendoscopes (350-1000 microm in diameter) based on gradient-index mi...
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Multi-Photon Fluorescence Microscopy is a relatively novel imaging technique in cell biology. It relies on the quasi-simultaneous absorption of two or more photons (of either the same or different energy) by a molecule. With normal fluorescence microscopy, one cannot resolve deep structures within a specimen because of large depth of focus. An enhanced method, the confocal microscopy [1], allow...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2009
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.103.173003