A waveguide is a hollow metal tube, either a cylinder or a rectangle in cross section that acts as a pipe for transmission of electromagnetic waves of the microwave range over short distance (1 to 10 cms) . A typical waveguide of rectangular cross section. Since the waveguide is of solid metal, any electromagnetic wave put into its cavity can not escape and travels through the guide to the other end. As a result, waveguide offers a very large bandwidth (2 GHz to 110 GHz) .
The RF power for acceleration of protons inside the accelerating structure, supplied from high-power klystrons, is taken up to the desired ports by means of wave-guide line. The factors of primary importance for a wave-guide system are: power handling capacity, insertion loss, impedance uniformity, band width, physical dimensions/tolerances, economic considerations and self strength. The wave-guides are made from aluminium alloy 6061 plates which are heliarc welded at four corners .
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Microwave antenna
The RF power for acceleration of protons inside the accelerating structure, supplied from high-power klystrons, is taken up to the desired ports by means of wave-guide line. The factors of primary importance for a wave-guide system are: power handling capacity, insertion loss, impedance uniformity, band width, physical dimensions/tolerances, economic considerations and self strength. The wave-guides are made from aluminium alloy 6061 plates which are heliarc welded at four corners .
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