Free access to the latest special issue of the Journal of Polymer Science: Polymer Physics, on polymer optics.
Optics
New cloaking device is battery powered
Proposed design uses an external source of energy to significantly broaden its bandwidth of operation.
Researchers develop liquid crystal lenses
New liquid crystal ensemble resembles a compound eye and can be used as a lens.
Exploiting synergies – multimodal nonlinear imaging in the biomedical sciences
Multimodal nonlinear microscopy has matured to a key imaging modality in life science and biomedicine.
Vibrational molecular pathology
IR and Raman spectral imaging can distinguish between tissue types, disease types and stages, and even identify the primary tumors from spectral patterns observed in metastatic cells.
Boosting the interaction of light and metal nanoparticles
Subwavelength metal nanoparticles with separation on the order of one wavelength can form a plasmonic mode that enhances absorption and scattering of light.
Nanometer-scale tuning of photonic crystals
New approach enables precision-tuning of the optical properties of photonic crystals on the nanometer scale.
Good news all around for OLED displays
Researchers fabricate transparent metal electrodes of just 5 nm, significantly improving the efficiency and angular colour stability of white OLED devices.
Advanced optical trapping
Optical tweezers are standard today. Recently, more sophisticated trapping configurations have been realized based on holographic beam shaping techniques.
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.
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