Sonoma State University

The B.S. in Physics Returns to Sonoma State University!

Sonoma State University is proud to re-launch its Bachelor of Science in Physics, featuring a redesigned, student-centered curriculum available beginning Fall 2026. The revised program offers a rigorous physics foundation, small class sizes, close faculty mentorship, and flexible pathways that support timely graduation. Please see our degree programs page for more information.

February 25, 1980

Remote Detection Of Methane Using Lasers

Richard DeFreez
Sonoma State University

Darwin 103
3:00 PM

Richard DeFreez of Sonoma State University will describe research he performed last summer as an American Physical Society Industrial Graduate Intern, work which may lead to remote measurement of methane levels in coal mines, using coal dust as a Mie retroreflector.