Close

Search

Search Menu
Photonics Media Photonics Buyers' Guide Photonics EDU Photonics Spectra BioPhotonics EuroPhotonics Industrial Photonics Photonics Showcase Photonics ProdSpec Photonics Handbook
More News
SPECIAL ANNOUNCEMENT
2016 Photonics Buyers' Guide Clearance! – Use Coupon Code FC16 to save 60%!
share
Email Facebook Twitter Google+ LinkedIn Comments

Photonics Takes Bubble’s Temperature

Photonics Spectra
Jan 2000
Researchers from the University of Illinois at Urbana-Champaign reported in the Oct. 21 issue of Nature that the temperature of imploding bubbles reaches thousands of degrees kelvin. Scientists studying cavitation by ultrasonic stimulation had predicted the intense temperatures, but the team is the first to test the theories by observation.

The researchers used a spectrograph to analyze the luminescence that accompanies acoustic cavitation. High-resolution spectra of the emissions of Cr(CO)6 and Mo(CO)6 bubbles were collected and compared with lower-resolution spectra. The relative intensities of the spectra indicated temperatures as high as 5200 K, dependent on such factors as the vapor pressure on the solvent.


Comments
Terms & Conditions Privacy Policy About Us Contact Us
back to top

Facebook Twitter Instagram LinkedIn YouTube RSS
©2016 Photonics Media
x Subscribe to Photonics Spectra magazine - FREE!