R. Hella

Material Processing With High Power Lasers

R. Hella, 1978 .

Performance of an unstable oscillator on a 30-kW CW gas dynamic laser

L. Westra, E. Locke, R. Hella, 1971 .

Deep penetration welding with high-power CO 2 lasers

Edward V. Locke, Richard A. Hella, E. Hoag, 1972 .

Metal processing with a high power CO 2 laser

E. Locke, R. Hella, E. Locke, 1973 .

Correction to "Performance of an unstable oscillator on a 30-kW CW gas dynamic laser"

L. Westra, E. Locke, G. Zeiders, 1972 .