Fluorescence is a relatively familiar process by which light of one color or wavelength is absorbed by a material, e.g., an organic dye or a phosphor, and then light is emitted at a different color after a brief interval of time. In Raman scattering, the wavelength of light is shifted to a different color in an instantaneous scattering event. Raman scattering is not common in everyday life but is a critical tool of analytical chemistry.
"Light emission from plasmonic nanostructures at wavelengths shorter than the wavelength of pulsed laser excitation is typically described as the simultaneous absorption of two photons followed by fluorescence, which is used a lot in biological imaging," explained
"Since we understand more of the mechanism of this kind of light mission, we can help to design the biological and medical imaging experiments better, and at the same time we can also have more insight into the broad background of surface-enhanced Raman scattering which is also related to this kind of light emission, Huang added.
Keywords for this news article include:
Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC
Most Popular Stories
- Can GOP Dodge Immigration Bullet?
- Ukraine Crisis Limits Losses in Gold, Silver
- Software Writers Sought in Indiana
- Photo ID Required for Unemployment Benefits
- Tech Firms to Increase Hiring for 4th Year in a Row
- Job Fair for S.C. Grads
- Chiquita, Fyffes to Form Top Banana
- Big Earthquake Rumbles Northern California
- China's Money Rate Drops on Slowdown Concern
- Millennials Favor Saving Over Investing: UBS