Difference between revisions of "PHY542 spring 2015"

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All remaining classes will be at Brookhaven National Laboratory (BNL), Building 820
 
All remaining classes will be at Brookhaven National Laboratory (BNL), Building 820
  
 +
IMPORTANT: When you arrive at BNL's main gate, please inform the guard you are attending the Advanced Accelerator Laboratory Course at the ATF. You may be requested to check in at the nearby security trailer or research support building (Bldg. 400), where proper visitor identification may be required [http://www.bnl.gov/guv/ID.asp]. We highly recommend that you will arrive no later than 3:30 pm during your first time for registration.
 +
 +
Transportation info can be found here: [http://www.bnl.gov/staffservices/othertransportation.php]
 
A list of BNL maps can be found here: [http://www.bnl.gov/maps/]
 
A list of BNL maps can be found here: [http://www.bnl.gov/maps/]
 +
 +
Directions to the classroom are here: [[Image:ATFMap.png|200px|Image: 200 pixels|center]]
  
 
== Textbook and ''suggested materials''==
 
== Textbook and ''suggested materials''==
Line 76: Line 81:
 
The following topics are taken mostly from Physical Review Letters. All topics correspond to breakthrough experiments conducted at the Accelerator Test Facility.Two examples are here:
 
The following topics are taken mostly from Physical Review Letters. All topics correspond to breakthrough experiments conducted at the Accelerator Test Facility.Two examples are here:
  
−
* Dielectric Wakefield Acceleration of a Relativistic Electron Beam in a Slab-Symmetric Dielectric Lined Waveguide [http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.108.244801 Download]
+
* 1. Dielectric Wakefield Acceleration of a Relativistic Electron Beam in a Slab-Symmetric Dielectric Lined Waveguide [http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.108.244801 Download]
  
−
* Seeding of Self-Modulation Instability of a Long Electron Bunch in a Plasma[http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.045001 Download]
+
* 2. Seeding of Self-Modulation Instability of a Long Electron Bunch in a Plasma [http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.045001 Download]
  
−
More topics will follow.
+
* 3. Experimental Observation of Suppression of Coherent-Synchrotron-Radiation–Induced Beam-Energy Spread with Shielding Plates [http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.109.164802 Download]
 +
 
 +
* 4. Generation of trains of electron microbunches with adjustable subpicosecond spacing [http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.101.054801 Download]
 +
 
 +
* 5. Subpicosecond Bunch Train Production for a Tunable mJ Level THz Source[http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.111.134802 Download]
 +
 
 +
* 6. High-quality electron beams from a helical inverse free-electron laser accelerator[http://www.nature.com/ncomms/2014/140915/ncomms5928/full/ncomms5928.html Download]
 +
 
 +
* 7. Experimental Study of Current Filamentation Instability [http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.109.185007 Download]
 +
 
 +
* 8. Simple method for generating adjustable trains of picosecond electron bunches [http://journals.aps.org/prstab/abstract/10.1103/PhysRevSTAB.13.052803 Download]
 +
 
 +
* 9. Resonant excitation of coherent Cerenkov radiation in dielectric lined waveguides [http://scitation.aip.org/content/aip/journal/apl/98/20/10.1063/1.3592579 Download]
 +
 
 +
NEW: Project topics for Spring 2015 class can be downloaded here: [http://www-case.physics.sunysb.edu/wiki/images/5/56/Spring15_Projects.pdf Projects]
 +
 
 +
==Safety Training==
 +
 
 +
All students must complete online general training “Guest Site Orientation” (TQ-GSO).
 +
 
 +
In addition, here is the list of online ATF - specific training that you should also take prior to your arrival at ATF:
 +
 
 +
- Static Magnetic Fields
 +
 
 +
- LOTO Affected (Awareness)
 +
 
 +
- ATF Awareness
 +
 
 +
Note:
 +
 
 +
- Any student with medical conditions/implants affected by magnetic fields needs medical clearance prior to entry into exp hall or work with magnetic measurements.
  
 
==Course Schedule==
 
==Course Schedule==
Line 94: Line 129:
 
|-
 
|-
 
! 1
 
! 1
−
| Mon, Jan 26 || Course overview, administrative issues || None
+
| Mon, Jan 26 || Class cancelled due snow ||  
 
|-
 
|-
 
! 2
 
! 2
 
| Mon, Feb 02  
 
| Mon, Feb 02  
−
| Review of accelerator physics, Review of basic accelerator codes
+
| Class cancelled due snow
−
| ATF Tour
+
|
  
 
|-
 
|-
 
! 3
 
! 3
−
| Mon, Feb 09 || Magnetic Measurements || Magnet field map of basic accelerator beam line components: dipole, quadrupole, chicane
+
| Mon, Feb 09 || Course overview, administrative issues.[https://drive.google.com/file/d/0B9ZbR7binbX8WmZ3ektNdE00ZGs/view?usp=sharing Lecture]  || '''This class will take place at SBU Chem. 124. All remaining classes will be at BNL'''
 
|-
 
|-
 
! 4
 
! 4
 
| Mon, Feb 16  
 
| Mon, Feb 16  
−
| President's Day (HOLIDAY)
+
| HOLIDAY (President's day)  
−
|
+
|  
 
|-
 
|-
 
! 5
 
! 5
−
| Mon, Feb 23 || Beam sources, Source physics, space-charge|| Electron gun operation, quantum efficiency measurement 
+
| Mon, Feb 23 || Magnetic measurements [http://www-case.physics.sunysb.edu/wiki/images/1/16/Magmeasurements.pdf Lecture] || ATF tour, Safety training (if any), Magnet field map of basic accelerator beam line components: dipole, quadrupole, chicane
 
|-
 
|-
 
! 6
 
! 6
 
| Mon, Mar 02  
 
| Mon, Mar 02  
−
| Transport of particle beams, magnet basics
+
| Review of beam sources, source physics, space-charge and simulation codes [http://www-case.physics.sunysb.edu/wiki/images/d/de/PHY542Intro.pdf Intro Lecture] [http://www-case.physics.sunysb.edu/wiki/images/0/0d/PHY_542_Comput.pdf Computational Lecture] [http://www-case.physics.sunysb.edu/wiki/images/a/a0/Computational_HW1.pdf Computational HW1]
−
| Operation of quadrupole and solenoidal magnets; magnet misalignment effects; beam imaging
+
| Electron gun operation, quantum efficiency measurement 
 
|-
 
|-
 
! 7
 
! 7
−
| Mon, Mar 09 || Concept of beam emittance|| Emittance measurement with a magnet scan 
+
| Mon, Mar 09 || Magnet basics, concept of beam emittance [http://www-case.physics.sunysb.edu/wiki/images/6/63/PHY_542_Magnets_new.pdf Intro Lecture] || Operation of quadrupole and solenoidal magnets; magnet misalignment effects; beam imaging;
 +
|-
 +
! 8
 +
| Mon, Mar 16
 +
| Spring Break (no class)
 +
|
 
|-
 
|-
 
! 9
 
! 9
−
| Mon, Mar 16 || SPRING BREAK||  
+
| Mon, Mar 23 || Transport of particle beams, Beam Acceleration [http://www-case.physics.sunysb.edu/wiki/images/c/ca/HW1_Questions_Answers.pdf HW1 Discussion] [http://www-case.physics.sunysb.edu/wiki/images/3/3a/PHY_542_Beam_Acceleration.pdf Acceleration Lecture] [http://www-case.physics.sunysb.edu/wiki/images/a/a2/Computation_Work2.pdf Computational HW2]|| Operation of radio-frequency cavities, phase-dependence, alignment errors, dark currents
 
|-
 
|-
 
! 10
 
! 10
−
| Mon, Mar 23
+
| Mon, Mar 30
−
| Beam Acceleration
+
| Beam Diagnostics, emittance measurement techniques [http://www-case.physics.sunysb.edu/wiki/images/4/44/PHY_542_Emittance_Measurements.pdf Lecture][http://www-case.physics.sunysb.edu/wiki/images/a/af/HW3.pdf Computational HW3]
−
| Operation of radio-frequency cavities, phase-dependence, alignment errors, dark currents
+
| Operation of position monitors; beam profile monitors; energy analyzer; emittance measurement with a magnet scan
 
|-
 
|-
 
! 11
 
! 11
−
| Mon, Mar 30
+
| Mon, Apr 06 || Advanced acceleration topics [http://www-case.physics.sunysb.edu/wiki/images/6/6f/Stratakis_Wakefield.pdf Lecture]||Wakefield acceleration
−
| Beam Diagnostics
+
−
| Operation of position monitors; beam profile monitors; energy analyzer
+
 
|-
 
|-
 
! 12
 
! 12
−
| Mon, Apr 06 || Coherent Synchrotron Radiation (CSR)||Experimental demonstration of CSR; magnetic bunch compression
 
−
|-
 
−
! 13
 
 
| Mon, Apr 13  
 
| Mon, Apr 13  
−
| Masking Techniques
+
| Masking Techniques [http://www-case.physics.sunysb.edu/wiki/images/c/ca/PHY542_Diagnostics.pdf HW3 Discussion]
 
| Beam masking techniques and bunch-train production
 
| Beam masking techniques and bunch-train production
 
|-
 
|-
−
! 14
+
! 13
−
| Mon, Apr 20 || Advanced accelerator concepts||Wake-field demonstration
+
| Mon, Apr 20 || Coherent Synchrotron Radiation (CSR)[http://www-case.physics.sunysb.edu/wiki/images/c/cf/PHY_542_CSR.pdf Lecture1 (DK)][https://drive.google.com/file/d/0B9ZbR7binbX8akxBRnA0RGdnUGc/view?usp=sharing Lecture2 (DS)]||Experimental demonstration of CSR; magnetic bunch compression
 
|-
 
|-
−
! 15
+
! 14
 
| Mon, Apr 27  
 
| Mon, Apr 27  
 
| Student Presentations
 
| Student Presentations
 
|  
 
|  
 
|-
 
|-
−
! 16
+
! 15
−
| Mon, May 04 || Student presentations & Pizza Day||
+
| Mon, May 04 || No Class||
 
|-
 
|-

Latest revision as of 09:54, 29 April 2015

Class meet time and dates Instructors
  • When: Mon, 4:00p-7:00p
  • Where: Brookhaven National Laboratory, Building 820
  • Prof. Mikhail Fedurin
  • Prof. Dmitry Kayran
  • Prof. Diktys Stratakis
Image: 600 pixels

Course Overview

The purpose of this course is to introduce the fundamentals of beam physics via experimental investigation on scaled experiments employing electrons beams. The course is intended for graduate students and advanced undergraduate students who want to familiarize themselves with principles of accelerating charged particles and gain knowledge about contemporary particle accelerators and their applications.

Learning Goals

The course will cover a wide array of the measurements and manipulations that are needed for beam dynamics studies. Upon completion, students are expected to understand the basic principles and relations of beam dynamics, many of which they will have experimentally verified. Furthermore, they will have gained experience in measurement techniques and analysis of experimental observations.

While emphasis will be given on experiments, it will also offer exposure to the latest accelerator computer simulation techniques.

Several major topics will be covered during the semester:

  • source physics
  • magnet measurements
  • optical imaging and processing using both fast and integrating devices
  • phase space mapping and emittance measurement
  • longitudinal dynamics and energy spread, beam control

Overall, students will be exposed to a number of state-of-the-art diagnostics and experimental techniques.


Course Procedure

The course is structured into brief lectures which cover the theoretical background followed by lab sessions. For some experiments, students will be divided into small groups during the lab session that will perform experiments in parallel on different stations. The main experimental stations will be at the Accelerator Test Facility (ATF) at Brookhaven National Laboratory. Each group will be guided by one or more instructors and ATF staff persons who will assist the students and monitor their performance.

The last two weeks of the semester will be devoted to student presentations. You need to pick a topic and must decide by Mar. 23 in class. Your talk should be planned to take a total of 15 minutes. Five more minutes will be used for questions and comments.

LOCATION: The first class will be at Stony Brook University, Chemistry Building 124 All remaining classes will be at Brookhaven National Laboratory (BNL), Building 820

IMPORTANT: When you arrive at BNL's main gate, please inform the guard you are attending the Advanced Accelerator Laboratory Course at the ATF. You may be requested to check in at the nearby security trailer or research support building (Bldg. 400), where proper visitor identification may be required [1]. We highly recommend that you will arrive no later than 3:30 pm during your first time for registration.

Transportation info can be found here: [2] A list of BNL maps can be found here: [3]

Directions to the classroom are here:
Image: 200 pixels

Textbook and suggested materials

  • “The Theory and Design of Charged Particle Beams” by Martin Reiser, published by Wiley (1994)
  • “Fundamentals of Beam Physics” by James Rosenzweig, published by Oxford 2003
  • “Classical Electrodynamics”, third edition, by J.D. Jackson, published by Wiley (1999). Chapters 11 and 12 are of particular relevance to this course.
  • Accelerator Physics, by S. Y. Lee

Grading

Students will be evaluated based on the following performances: class participation (85%) and final presentation on specific research paper (15%). There will be no final exam.

List of topics

The following topics are taken mostly from Physical Review Letters. All topics correspond to breakthrough experiments conducted at the Accelerator Test Facility.Two examples are here:

  • 1. Dielectric Wakefield Acceleration of a Relativistic Electron Beam in a Slab-Symmetric Dielectric Lined Waveguide Download
  • 2. Seeding of Self-Modulation Instability of a Long Electron Bunch in a Plasma Download
  • 3. Experimental Observation of Suppression of Coherent-Synchrotron-Radiation–Induced Beam-Energy Spread with Shielding Plates Download
  • 4. Generation of trains of electron microbunches with adjustable subpicosecond spacing Download
  • 5. Subpicosecond Bunch Train Production for a Tunable mJ Level THz SourceDownload
  • 6. High-quality electron beams from a helical inverse free-electron laser acceleratorDownload
  • 7. Experimental Study of Current Filamentation Instability Download
  • 8. Simple method for generating adjustable trains of picosecond electron bunches Download
  • 9. Resonant excitation of coherent Cerenkov radiation in dielectric lined waveguides Download

NEW: Project topics for Spring 2015 class can be downloaded here: Projects

Safety Training

All students must complete online general training “Guest Site Orientation” (TQ-GSO).

In addition, here is the list of online ATF - specific training that you should also take prior to your arrival at ATF:

- Static Magnetic Fields

- LOTO Affected (Awareness)

- ATF Awareness

Note:

- Any student with medical conditions/implants affected by magnetic fields needs medical clearance prior to entry into exp hall or work with magnetic measurements.

Course Schedule

Course Schedule (tentative)
Week Date Covered topic Brief description of Experiment
1 Mon, Jan 26 Class cancelled due snow
2 Mon, Feb 02 Class cancelled due snow
3 Mon, Feb 09 Course overview, administrative issues.Lecture This class will take place at SBU Chem. 124. All remaining classes will be at BNL
4 Mon, Feb 16 HOLIDAY (President's day)
5 Mon, Feb 23 Magnetic measurements Lecture ATF tour, Safety training (if any), Magnet field map of basic accelerator beam line components: dipole, quadrupole, chicane
6 Mon, Mar 02 Review of beam sources, source physics, space-charge and simulation codes Intro Lecture Computational Lecture Computational HW1 Electron gun operation, quantum efficiency measurement
7 Mon, Mar 09 Magnet basics, concept of beam emittance Intro Lecture Operation of quadrupole and solenoidal magnets; magnet misalignment effects; beam imaging;
8 Mon, Mar 16 Spring Break (no class)
9 Mon, Mar 23 Transport of particle beams, Beam Acceleration HW1 Discussion Acceleration Lecture Computational HW2 Operation of radio-frequency cavities, phase-dependence, alignment errors, dark currents
10 Mon, Mar 30 Beam Diagnostics, emittance measurement techniques LectureComputational HW3 Operation of position monitors; beam profile monitors; energy analyzer; emittance measurement with a magnet scan
11 Mon, Apr 06 Advanced acceleration topics Lecture Wakefield acceleration
12 Mon, Apr 13 Masking Techniques HW3 Discussion Beam masking techniques and bunch-train production
13 Mon, Apr 20 Coherent Synchrotron Radiation (CSR)Lecture1 (DK)Lecture2 (DS) Experimental demonstration of CSR; magnetic bunch compression
14 Mon, Apr 27 Student Presentations
15 Mon, May 04 No Class
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