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Diagnostic appliances and setups for femtosecond spectroscopy
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Главная Cотрудничество ILC of Bratislava ILCB laboratories Laboratory of Optical Diagnostics and Visualization Diagnostic appliances and setups for femtosecond spectroscopy

Diagnostic appliances and setups for femtosecond spectroscopy

Generation and application of the ultrashort laser pulses is one of the modern trends in photonics. The application of the high-power ultrashort laser pulses allows one to incredibly concentrate electromagnetic energy in time and space, which makes it possible to observe new nonlinear optical phenomena (self-focusing, phase self-modulation, generation of optical harmonics of high order, etc.). In addition, the high-power femtosecond laser pulses can help in precise microprocessing of the materials.

Components

  • ASF-20 "single-shot" autocorrelator (OAO KDP, Russia)

  • OPA100/800 tunable optical parametric femtosecond amplifier (OAO KDP, Russia)

  • FOG100 system for fluorescence optical gating (OAO KDP, Russia)

Optical breakdown in air by the focused femtosecond pulses is accompanied by the nonlinear optical effects leading to spectral broadening and harmonic generation.

Applications

  • Time resolved spectroscopy of the ultrafast chemical and biological reactions and processes in molecules and atoms

  • Design of the femtotechnology devices based on photon crystals

  • Diagnostics of biological molecules and molecular systems by nonlinear laser spectroscopy

  • Biomedical studies by fluorescence spectroscopy with two-photon excitation

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