Nigel G. Douglas

A tunable millimetre-submillimetre gyrotron

G. F. Brand, L. C. Robinson, Z. Chen, 1984 .

Millimetre and Submillimetre Wavelength Lasers

Nigel G. Douglas, 1989 .

HETERODYNED HOLOGRAPHIC SPECTROSCOPY

Nigel G. Douglas, N. Douglas, 1997 .

Millimetre and Submillimetre Wavelength Lasers: A Handbook of Cw Measurements

Nigel G. Douglas, N. Douglas, 1989 .

A 125-260-GHz Gyrotron

G. F. Brand, L. C. Robinson, Nigel G. Douglas, 1984 .