Bio-optical methods have been an essential tool for biological observation and clinical diagnosis, and optoacoustic (photoacoustic) imaging is now emerging.
Optics
New optical sensor can detect individual nanoscale objects
Special polydimethylsiloxane-coated deformed microcavity acts as an optical “whispering gallery”.
Raman spectroscopy pixel by pixel
Raman spectroscopy provides molecular specificity through spectrally-resolved measurement of the inelastic scattering under monochromatic excitation.
Welcome our new Advanced Materials Editorial Advisory Board member Prof. Cefe López
Cefe López talks about his passion for optics and solid state physics, photonic crystals, and future developments in materials science.
Laser pulses reveal DNA repair mechanisms
A new straightforward method, based on nonlinear photoperturbation, enables monitoring the response of nuclear proteins to DNA damage in time and space.
Nanotube carpets can detect broadband polarized light
Rice, Sandia team uses carbon nanotubes for polarized-light detection.
Potential telecoms application for graphene investigated
Use of material in telecommunications could dramatically accelerate internet speeds by up to a hundred times, according to new research.
A better chalcopyrite for optical oscillation
Use of a defect chalcopyrite might become practical at pump levels sufficiently lower than the optical damage threshold.
MIT researchers develop optical transistor
Researchers describe the experimental realization of an optical switch controlled by a single photon, allowing light to govern the transmission of light.
Super-sensitive light sensor from molybdenite
An EPFL team has built a prototype for an image sensor based on the semi-conducting properties of molybdenite.
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