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Mapping local optical densities of states in silicon photonic structures with nanoscale electron spectroscopy
Mapping local optical densities silicon photonic structures nanoscale electron spectroscopy
2015/8/10
Relativistic electrons in a structured medium generate radiative losses such as Cherenkov and transition radiation that act as a virtual light source, coupling to the photonic densities of states. The...
High-Density Periodic Arrays of Self-Aligned Subwavelength Nanopyramids for Surface-Enhanced Raman Spectroscopy
High-Density Periodic Self-Aligned Subwavelength Nanopyramids Surface-Enhanced Raman Spectroscopy
2016/12/2
Novel nanotextured surfaces are presented with periodically self-aligned subwavelength nanogroove and nanopyramid structures with precisely defined pitch λg that are closely packed with 2 nm separatio...
Development of Laser-Induced Breakdown Spectroscopy System with a Palm-top Nd:YAG Laser
LIBS China loess DPSSL Detection method
2009/6/1
China loess attracts attention in East Asia. In the previous research of our group, an elemental detection method with LIBS has been developed. In this work, we tried to develop the element detection ...
Vibrational Dynamics of Hydrogen-Bonded Complexes Studied by Infrared Pump-Probe Spectroscopy
Infrared short pulse Pump-probe spectroscopy Hydrogen bond in solutions
2009/6/1
We have investigated vibrational dynamics of hydrogen-bonded complexes in solutions by sub-picosecond infrared (IR) pump-probe spectroscopy. The anharmonic coupling between the OH stretching mode of b...
Novel Optogalvanic Spectroscopy of Semiconductor Atoms with a Frequency-tripled ns Ti:sapphire Laser Injection-seeded by a cw Frequency-scanning Ti:sapphire Laser
Deep-ultraviolet Injection seeding Optogalvanic spectroscopy
2009/6/1
Novel optogalvanic spectroscopy of silicon atoms was conducted with the narrow-linewidth nanosecond pulsed deep-ultraviolet coherent light source which was comprised of the frequency-tripled nanosecon...