An artist's conception of laser tweezers Raman spectroscopy: A single laser beam is focused through a high power microscope objective to create a tight, diffraction-limited spot, which results in a single-beam optical trap powerful enough to capture and suspend cells up to 30 microns in diameter. Ph
Contents: Laser & Photon. Rev.: 2(4)/2008
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 343 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1863-8880
No coin nor oath required. For personal study only.
โฆ Synopsis
Light can carry both spin and orbital angular momentum. The orbital angular momentum arises from "twisted" phasefronts which can be made visible in interferograms. Still a young research area, the investigation of orbital angular momentum of light now encompasses areas as diverse as testing of quantum information protocols, manipulation of ultracold atoms and applications in micromachining.
๐ SIMILAR VOLUMES
Schematic of resonant transmission through nanohole array using electron microscope image of as-fabricated sample. With applications ranging from linear and nonlinear optics to sensing and spectroscopy, nanohole arrays are promising for compact device integration. (Picture:
Illustration of local deformation in an isolated carbon nanotube due to the pressure applied through the apex of a nano-tip. By sensing this local deformation by means of Raman shift in TERS, the sample can be imaged with extremely high spatial resolution.
The spectroscopic and energy transfer characteristics of the rare earth ions used for silicate