Results 1 to 10 of about 1,297,695 (275)

Rapid coherent anti-stokes Raman scattering–Raman optical activity spectroscopy in the millisecond regime [PDF]

open access: yesAPL Photonics
Raman optical activity (ROA) is a well-known chiroptical vibrational spectroscopy that is sensitive to molecular chirality and facilitates the determination of absolute configuration.
Vikas Kumar   +3 more
doaj   +1 more source

Optical Nano-Imaging of Materials: Peeping Through Tip-Enhanced Raman Scattering

open access: yesCHIMIA, 2006
High-resolution optical nano-imaging, with a spatial resolution far beyond the diffraction limits of the probing light, has been shown by means of tip-enhanced near-field Raman spectroscopy.
Satoshi Kawata, Prabhat Verma
doaj   +1 more source

Stimulated Raman Scattering with Optical Vortex Beams

open access: yesAdvanced Photonics Research
This study investigates stimulated ramran scattering (SRS) with optical vortex beams, specifically Laguerre–Gaussian (LG) modes, characterized by distinct radial and azimuthal indices.
Minhaeng Cho
doaj   +1 more source

Experimental observation of backscattered light based on different coherence between incident laser beams

open access: yesHigh Power Laser Science and Engineering, 2013
Recent experimental results on NIF revealed a much higher stimulated Brillouin scattering (SBS) and stimulated Raman scattering (SRS) backscatter than expected; one possible reason was due to the coherence between incident laser beams.
Xiangfu Meng   +5 more
doaj   +1 more source

Raman Imaging of Nanocarriers for Drug Delivery

open access: yesNanomaterials, 2019
The efficacy of pharmaceutical agents can be greatly improved through nanocarrier delivery. Encapsulation of pharmaceutical agents into a nanocarrier can enhance their bioavailability and biocompatibility, whilst also facilitating targeted drug delivery ...
Sally Vanden-Hehir   +5 more
doaj   +1 more source

Enhancing Optical Lattice Clock Coherence Times with Erasure Conversion

open access: yesPRX Quantum
Increasing coherent interrogation times is central to advancing the precision of optical clocks. Synchronous differential optical clock comparisons have now demonstrated atomic coherence times that far exceed the coherence time of the clock laser.
Shuo Ma   +8 more
doaj   +1 more source

Advancements in Neurosurgical Intraoperative Histology

open access: yesTomography
Despite their relatively low incidence globally, central nervous system (CNS) tumors remain amongst the most lethal cancers, with only a few other malignancies surpassing them in 5-year mortality rates.
Ali A. Mohamed   +5 more
doaj   +1 more source

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