Development of window for first Indian gyrotron

Window happens to be the most critical and vulnerable component in high-power gyrotrons. For the first Indian gyrotron window, a face cooled double sapphire disc structure has been decided for delivering 200 kW power at 42 GHz. Development of sapphire machining and techniques for its UHV grade joini...

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Main Authors: Das, S., Nayek, N., Subhadra, K., Kandpal, M., Naik, A., Chatterjee, S., Majumdar, A., Kartikeyan, M.V., Sinha, A.K., Jain, P.K., Satyanarayana, K., Joshi, S.N., Das, A.L.
Format: Conference Proceeding
Language:English
Subjects:
Coolants
design methodology
Dielectric losses
Dielectric materials
Electromagnetic heating
fabrication
Gyrotrons
Intellectual property
sapphire
Silicon
Structural discs
Thermal conductivity
Thermal resistance
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Summary:Window happens to be the most critical and vulnerable component in high-power gyrotrons. For the first Indian gyrotron window, a face cooled double sapphire disc structure has been decided for delivering 200 kW power at 42 GHz. Development of sapphire machining and techniques for its UHV grade joining to metals are the major achievements so far. Optimisation of electrical and thermal parameters is in progress.
DOI:10.1109/IVELEC.2009.5193604