Oscillator-Amplifier Free Electron Lasers an Outlook to Their Feasibility and Performances
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".
Deadline for manuscript submissions: closed (15 June 2021) | Viewed by 18684
Special Issue Editors
Interests: lasers; accelerators; free electron lasers; applied mathematics
Special Issues, Collections and Topics in MDPI journals
Interests: plasma physics; optics; accelerator physics
Special Issue Information
Dear Colleagues,
Free electron lasers (FEL) are widespread devices which have undergone a significant worldwide growth in recent decades. Despite their undoubtful success and relevant reliability as experimental devices, it would desirable to develop more compact and cheaper FELs with larger repetition rate and average brightness.
Along with mainstream proposals, during the past few years, alternative scenarios have been proposed. In recent years, for example, a significant effort has been devoted to the design of FELs driven by high gradient accelerators and/or short period undulators. The possibility of exploiting hybrid FEL devices was considered about two decades ago as an effective possibility to provide lower-size and -cost tools, hosted in medium-size laboratories.
By hybrid FEL architecture, we mean a device foreseeing the use of oscillator-amplifier devices. The first FEL (the oscillator) is used to trigger the amplifier, using mechanisms such as the nonlinear higher-order harmonic generation and techniques based on segmented undulators.
We will review either the underlying physics or the different aspects of the design of the devices, with particular reference to the relevant feasibility and performances.
We will eventually provide a wide scenario of the foreseeable architecture, along with the relevant cost estimation.
Prof. Dr. Giuseppe Dattoli
Prof. Dr. Alessandro Curcio
Prof. Dr. Danilo Giulietti
Guest Editors
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Keywords
- Free electron lasers, oscillators, and SASE devices
- Bunching mechanism, nonlinear harmonic generation
- High brightness electron beam
- Beam instabilities
- Undulators
- Segmented undulators
- LINAC
- High gradient accelerators
- X-Band
- UV-VUV-X Optics
- Short wavelength FEL oscillators
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