Hello Everyone. I want to create high-powered microwave output by combining multiple magnetrons in the domestic microwave. Currently I'm stuck with a problem that simply attaching a second magnetron to the domestic microwave opposite side (face to face) to another magnetron. Their wave guide is face each other inside the cavity of the domestic microwave, meaning their output wave facing each other during power on.
My question:
1- It seriously increases heating of both magnetron compared to running my setup with one magnetron attached. Even when second is unpowered, first one heats substantially.
2- Is it danger to install two magnetron facing each other, would it damage the opposite magnetron or not?
I'm asking you for any advices, articles or books containing information how to properly build waveguide and power combine multiple magnetrons. Preferably something with details on geometry calculation - proper placing of magnetrons, waveguide interconnections, etc.
If you mount them symmetrically as you have done, then each will be able to feed the other, and make it hot. To stop this happening you need the two magnetrons to excite orthogonal modes in the oven. It may be possible to do this with the two waveguides the same way up, but it would be much easier if one is rotated 90 degrees, if there is a suitable mode pattern for it to excite, which I expect there may be. You need to find a point on the opposite wall where the second magnetron cooks stuff when its waveguide into the oven is rotated 90 degrees. There will be positions like this where the two magnetrons do not see each other.
Thank you so much for your answer. I have found some similar answers in the literature. Thank you again
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