Triode amplifiers for the infrared

Recent progress with diodes operating at infrared wavelengths Suggests the possibility of triode amplifiers for this frequency range. The potential of such devices is considered theoretically; An analysis based on a specific model device is carried out. The results indicate that power gain greater than unity is possible at
\lambda = 10\mu
. Although the model device is difficult to construct, it is an assemblage of components which are today individually within the state of the art. Infrared triode oscillators appear also to be possible.