P. J. Batson

Observation of gain-narrowing and saturation behavior in Se x-ray laser line profiles.

Underwood, Koch, B. MacGowan, 1992, Physical review letters.

Experimental and theoretical investigation of neonlike selenium x-ray laser spectral linewidths and their variation with amplification.

Underwood, London, Koch, 1994, Physical review. A, Atomic, molecular, and optical physics.

Resolving power of 35,000 (5 mA) in the extreme ultraviolet employing a grazing incidence spectrometer.

M. Eckart, J. Underwood, M. Hettrick, 1988, Applied optics.