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As far as I know, there used to be a Kilpatrick limit on sparking at a given RF frequency. At the typical frequencies around 2 or 3 GHz one can get up to 50 MV/m, which is the max field I've heard of in the context of the ILC and other linear colliders. According to "New Techniques for Future Accelerators II: RF and Microwave Systems" edited by Mario ...


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You should use external optics with a monochromator. Outside the setup you should have a lens that focuses collimated the light on to slit A. This is the reason for the converging beams. Note that, for maximum throughout you should choose a focal length focusing lens that matches the numerical aperture of the monochromator. With different wavelengths now ...



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