The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2016
Filed:
Apr. 02, 2012
Humphrey J. Maris, Barrington, RI (US);
Humphrey J. Maris, Barrington, RI (US);
Brown University, Providence, RI (US);
Abstract
A pump light pulse is generating a strain pulse in a sample that includes quantum wells. A signal is measured using a probe light pulse. The probe light pulse is delayed in relation to the pump light pulse. The signal derives from a change in an optical property of the sample, which optical property responds to the generated strain pulse. One may deduce parameters of interest of the sample, including the quantum wells, from the characteristics of the signal. For discerning between various components of the stress in the quantum wells a lead pump pulse, preceding the pump light, pulse my also be used. A system for the application of such methods is also disclosed.