Robert J. Thrash

Growth and fabrication of single-crystal Yb,Tm:BaY2F8 fibers for upconversion visible laser operation

Richard H. Jarman, Alan J. Wallenberg, Robert J. Thrash, 1993, Photonics West - Lasers and Applications in Science and Engineering.

Upconversion laser emission from Yb3 + -sensitized Tm3 + in BaY2F8

Robert J. Thrash, L. F. Johnson, 1994 .