wave propagation via laser ultrasound. Laser line source. IR laser focused on 19 mm line. Transmitted EM phase image of granite at 150 GHz. JS, M. Batzle, M. Prasad, N. Greeney & A. Yuffa Colorado School of Mines.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Laser line source
IR laser focused on 19 mm line
N. Greeney & A. Yuffa
Colorado School of MinesMeasuring electrical and mechanical properties of rocks on the submillimeter scale
Collaboration between Physics, Geophsysics and Petroleum Engineering
'low' frequency normal mode
'high' frequency normal mode
Funded by NSF MRI
Fit E field with 1D Fabry-Perot
model to get complex permittivity
Tip-sample distance .2mm
Wavelength about 1 mm
Tip-sample distance .6mm
McEvoy et al, 2009 oil shale conf.
Electronic Speckle Pattern Interferometry
Are grains floating?