We fabricated a new liquid-crystal spatial light modulator for amplitude modulation of 315-1100 nm spectrum. Applied voltage and pulse width dependent transmission was characterized, which paves the way for monocycle-...
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We demonstrate Fourier synthesis of RN-like multiple coherent anti-Stokes Raman-scattering signals in a KTaO3 single crystal at room temperature. Isolated pulses with 13-fs duration and 520-690-nm wavelength range are...
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We fabricated a new liquid-crystal spatial light modulator for amplitude modulation of 315-1100 nm spectrum. Applied voltage and pulse width dependent transmission was characterized, which paves the way for monocycle-...
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We fabricated a new liquid-crystal spatial light modulator for amplitude modulation of 315-1100 nm spectrum. Applied voltage and pulse width dependent transmission was characterized, which paves the way for monocycle-pulse shaping and attosecond pulse measurement.
Quantum-mechanical molecular-dynamics simulations are carried out to explore possible precursor states of nano-polycrystalline diamond, a novel ultra-hard material produced directly from graphite. Large-scale simulati...
Quantum-mechanical molecular-dynamics simulations are carried out to explore possible precursor states of nano-polycrystalline diamond, a novel ultra-hard material produced directly from graphite. Large-scale simulation with 105 atoms is realized by using the 'order-N' simulation code 'ELSES' (http://***). The simulation starts with a diamond structure that contains initial structural defects and results in a mixture of graphite(sp2)-like and diamond(sp3)-like regions as nano-meter-scale domains. We speculate that the domains are metastable and are possible candidates of the precursor structures.
Detailed angle resolved spectroscopy reveals that intense multiple Raman-Nath like CARS signals (350-720 nm) are generated in diamond under pumping of two-phonon Raman peak by two-color femtosecond pulses.
Detailed angle resolved spectroscopy reveals that intense multiple Raman-Nath like CARS signals (350-720 nm) are generated in diamond under pumping of two-phonon Raman peak by two-color femtosecond pulses.
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