Optical tweezers are standard today. Recently, more sophisticated trapping configurations have been realized based on holographic beam shaping techniques.
Optics
Laser diodes versus LEDs
Blue laser diodes operated in stimulated emission offer a potential alternative to traditional solid-state lighting based on light-emitting diodes.
Laser as Sniffer Dog for Explosives
A new compact sensor system based on an LED pumped polymer laser detects explosive vapors quickly and sensitively.
Cutting CFRP for future car generation
Volkswagen AG and partners are developing an innovative laser process for automated cutting of CFRP components for mass production.
Photonic materials – Cholesteric polymer films for lasing devices
Researchers at the Johannes Gutenberg-Universität in Mainz optimize optical perfomance of cholesteric films based on polymeric materials for lasing devices.
Controlling color in an electric field
Scientists from Germany and UK develop a printing process that uses one tunable ink for all colors.
The patterning power of azopolymers in photonics
Researchers at Aalto University examine the versatility of surface patterns in azopolymers for applications in photonics.
More Information from Raman Scattering
Mapping of chemical contents and their spatial distribution in a complex biological environment such as cells can be achieved by a new imaging modality.
Spin clocks: Probing fundamental symmetries in nature
German researchers have proposed a spin clock that is based on the free spin-precession of gaseous, nuclear spin-polarized 3He and 129Xe.
Unexpected: LC-elastomers with no shape change at the phase transition
The Group of R. Zentel prepare an oriented smectic monodomain of a crosslinked LC-polysiloxane, which showed no shape variation at all.
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