Relative to Microwave Power Engineering (Correspondence)

Oversize Tubular Metallic Waveguides

“…Therefore, (7) shows that the highest possible value of A 2 /A l is within 3 dB of an upper bound, given by [1 -exp( -4Λ/8.686)]" 1/2 ; for small values of A, this is equal to approximately (8.686/4Λ) 1/2 . Therefore, (7) shows that the highest possible value of A 2 /A l is within 3 dB of an upper bound, given by [1 -exp( -4Λ/8.686)]" 1/2 ; for small values of A, this is equal to approximately (8.686/4Λ) 1/2 .…”

“…Long-distance transmission of high power using the TE(?, mode has been discussed by Okress [7], and is considered by Dunn and Loewenstern later in this volume. 0 and TEft modes should be considered for use in moderately oversize waveguide systems (transverse waveguide dimensions of the order of two wavelengths).…”

“…One proposed application is the transmission of super-high microwave power (gigawatts) for long distances [7] ; in this case, the use of the TEjp, mode in circular waveguides having a diameter equal to approximately \0λ can result in several orders of magnitude increase in power-handling capability relative to standard waveguide. One proposed application is the transmission of super-high microwave power (gigawatts) for long distances [7] ; in this case, the use of the TEjp, mode in circular waveguides having a diameter equal to approximately \0λ can result in several orders of magnitude increase in power-handling capability relative to standard waveguide.…”

Economic Feasibility of Microwave Power Transmission in Circular Waveguide

“…Microwave power transmission in circular waveguide is a potential means for transmitting very large quantities of power in an efficient manner [1][2][3][4][5]. As a direct replacement for conventional ac or dc transmission systems, a microwave system becomes of interest for power levels above 1 GW for underground systems, according to our current estimates, and the advantage becomes greater as the amount of power is increased.…”