1.
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Power Coupling + Matching
/ Burt, Graeme (speaker)
In order to maximise the power delivered to the cavity we must minimise reflections. Reflections are minimised when the source and load impedances are equal, however this is difficult when the cavity impedance is orders of magnitude higher than the source. [...]
2023 - 3377.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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2.
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RF Power Transport
/ Montesinos, Eric (speaker) (CERN)
We reviewed the techniques of transport of high-power radiofrequency power from a RF power source to the cavities of an accelerator.
Waveguide and coaxial lines are explained showing power limits.
Main power couplers are also explained, on the construction side of it..
2023 - 2746.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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3.
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Longitudinal beam dynamics II
/ Shaposhnikova, Elena (speaker)
In the first part of the lecture, the main characteristics of synchrotron motion, namely, synchronous particle and phase, bucket area and emittance are introduced. The equations of longitudinal particle motion in a single RF system of a proton synchrotron are re-derived and the phase equation is analysed for small and large amplitude particles. [...]
2023 - 3090.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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4.
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High beta cavities II
/ Wuensch, Walter (speaker) (CERN)
The lectures “High-Beta Cavities I and II” cover the main concepts that underly acceleration of relativistic beams, with a focus on traveling wave acceleration. These include the concepts of phase velocity and synchronism with the beam, group velocity, periodically loaded accelerating structures, the Brillouin diagram and the fundamental theorem of beam loading derived from an energy balance point of view..
2023 - 2309.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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5.
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High beta cativies I
/ Wuensch, Walter (speaker) (CERN)
The lectures “High-Beta Cavities I and II” cover the main concepts that underly acceleration of relativistic beams, with a focus on traveling wave acceleration. These include the concepts of phase velocity and synchronism with the beam, group velocity, periodically loaded accelerating structures, the Brillouin diagram and the fundamental theorem of beam loading derived from an energy balance point of view..
2023 - 2820.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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6.
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Longitudinal instabilities & Intensity effects
/ Shaposhnikova, Elena (speaker)
In this lecture, dealing with intensity effects, the equations of motion with induced beam voltage are analysed.
This allows, first, to describe single-bunch potential well distortion and loss of Landau damping. Then the linearised Vlasov equation is used to derive step-by-step the Lebedev equation. [...]
2023 - 3256.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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7.
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8.
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RF power generation I
/ Montesinos, Eric (speaker) (CERN)
We reviewed the main types of RF power amplifiers used for particle accelerators.
It covers vacuum beam tubes, specifically gridded tubes, including tetrodes, inductive output tubes, klystrons, and transistor amplifiers, with power outputs greater than 10 kW CW or 100 kW pulsed at frequencies from 50 MHz to 1 GHz.
Functioning principle and construction aspects of these various items were presented.
Factors affecting the satisfactory operation of amplifiers, including cooling, matching, and protection circuits, were discussed.
The presentation concludes with a summary on the topic of efficiency..
2023 - 3437.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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9.
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RF power generation II
/ Montesinos, Eric (speaker) (CERN)
We reviewed the main types of RF power amplifiers used for particle accelerators.
It covers vacuum beam tubes, specifically gridded tubes, including tetrodes, inductive output tubes, klystrons, and transistor amplifiers, with power outputs greater than 10 kW CW or 100 kW pulsed at frequencies from 50 MHz to 1 GHz.
Functioning principle and construction aspects of these various items were presented.
Factors affecting the satisfactory operation of amplifiers, including cooling, matching, and protection circuits, were discussed.
The presentation concludes with a summary on the topic of efficiency..
2023 - 1593.
CERN Accelerator School; CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
External links: Talk details; Event details
In : CAS course on "RF for Accelerators", 18 June - 01 July 2023, Berlin Germany
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10.
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