Subwavelength metal nanoparticles with separation on the order of one wavelength can form a plasmonic mode that enhances absorption and scattering of light.
New approach enables precision-tuning of the optical properties of photonic crystals on the nanometer scale.
Optical tweezers are standard today. Recently, more sophisticated trapping configurations have been realized based on holographic beam shaping techniques.
Blue laser diodes operated in stimulated emission offer a potential alternative to traditional solid-state lighting based on light-emitting diodes.
A new compact sensor system based on an LED pumped polymer laser detects explosive vapors quickly and sensitively.
Researchers at the Johannes Gutenberg-Universität in Mainz optimize optical perfomance of cholesteric films based on polymeric materials for lasing devices.
Mapping of chemical contents and their spatial distribution in a complex biological environment such as cells can be achieved by a new imaging modality.