High Repetitive Photocathode RF Gun

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Discussion Overview

The discussion revolves around understanding "High Repetitive Photocathode RF Guns," focusing on their historical background, working principles, and the foundational knowledge required to grasp the topic. Participants seek to clarify concepts related to RF guns and their applications in particle acceleration.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Homework-related

Main Points Raised

  • One participant expresses a need for historical context and foundational understanding of RF guns, indicating a lack of comprehensive resources available.
  • Another participant suggests looking into the history of free electron lasers (FELs) and review articles, noting the novelty of the topic.
  • Concerns are raised about the necessity of understanding basic principles of particle accelerators before delving into RF guns, with references to established texts like Wangler's book.
  • Participants discuss the relationship between RF photoinjectors and accelerating structures, emphasizing the importance of understanding the physics involved in both.
  • One participant acknowledges their limited reading of Wangler's book and expresses intent to study it more thoroughly.

Areas of Agreement / Disagreement

Participants generally agree on the importance of foundational knowledge in accelerator physics for understanding RF guns. However, there is no consensus on the availability of comprehensive historical resources or the specific path for learning about RF guns.

Contextual Notes

Participants mention varying levels of familiarity with relevant literature and concepts, indicating that some foundational assumptions may be missing in the discussion. The discussion reflects a range of knowledge about thermionic electron sources and FELs, which may influence the understanding of RF guns.

parazit
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Hi fellows,

I've been looking for "High Repetitive Photocathode RF Guns" for more than a couple of days. It seems, first I need to understand the RF Guns.

I deciced to search such a document that gives the history of RF Guns and explains their historical background with working principle. So I can understand better the deal that I have.

So far I've got just the scientific articles that gives really really short infos about what I'm looking for.

Does any of you, please, help me on this topic?

Will be waiting for your help.
 
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Try looking for the history of the free electron laser.

Or try looking for review articles on this topic. It is all too new for there to be any history articles!

PS: What are the specifications for the laser you are interested in? I build laser-driven photo-electron guns.
 
parazit said:
Hi fellows,

I've been looking for "High Repetitive Photocathode RF Guns" for more than a couple of days. It seems, first I need to understand the RF Guns.

I deciced to search such a document that gives the history of RF Guns and explains their historical background with working principle. So I can understand better the deal that I have.

So far I've got just the scientific articles that gives really really short infos about what I'm looking for.

Does any of you, please, help me on this topic?

Will be waiting for your help.


Problem here is that you have not revealed what you already know. You need to know a bit about the basic principles of particle accelerators before moving on to photoinjectors. Have you studied out of, say, Wangler's classic text?

Zz.
 
Dear UltrafastPED and dear Mentor ZapperZ,

Thank you so much for your interests and posts.

You are right, of course I should have mentioned what I studied before and what I know to get a proper answer.

I know a bir about FEL's and their principles, physics, basics whatever you say. Also I know about thermionic e- sources a little, how they operate, basics etc.

The reason of my question was related about my willing to understand and learn about RF guns and especially photocathode rf guns.

A path that indicates from the beginning and simplified will be great.

Thank you so much for your kind answers again.

 
parazit said:
Dear UltrafastPED and dear Mentor ZapperZ,

Thank you so much for your interests and posts.

You are right, of course I should have mentioned what I studied before and what I know to get a proper answer.

I know a bir about FEL's and their principles, physics, basics whatever you say. Also I know about thermionic e- sources a little, how they operate, basics etc.

The reason of my question was related about my willing to understand and learn about RF guns and especially photocathode rf guns.

A path that indicates from the beginning and simplified will be great.

Thank you so much for your kind answers again.

So have you studied the basics of accelerator physics, such as the various waveguides and EM modes that can exist (standing and traveling) in those various geometries? In other words, stuff out of Wangler's text?

Zz.
 
I studied about the basics of FEL's. I mean that, I know something about thermionic electron guns and TESLA cavities.

I did not completely read Wangler's book if you say that but I've read some parts from it.

Anyway, thank you for your advise. I'll start to read Wangler's book completely.



ZapperZ said:
So have you studied the basics of accelerator physics, such as the various waveguides and EM modes that can exist (standing and traveling) in those various geometries? In other words, stuff out of Wangler's text?

Zz.
 
The reason I asked that is that an rf photoinjector has the same physics as any accelerating structure. The major difference being that this is where the photoelectrons are also created out of the photocathodes at one end of the structure. So one has to start with the understanding of accelerating structures.

Zz.
 

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