High brightness symmetric emittance rf photoinjector preliminary design report

Technical Report · Mon Aug 01 00:00:00 EDT 1994

DOI:https://doi.org/10.2172/10185919· OSTI ID:10185919

Colby, E R; Ostiguy, J F ^[1]; Rosenzweig, J B ^[2]

---

1. Fermi National Accelerator Lab., Batavia, IL (United States)
2. California Univ., Los Angeles, CA (United States). Dept. of Physics

A preliminary design for a high bunch charge (8 nC), low emittance (< 20 mm-mr) radiofrequency electron photoinjector matched to the requirements of the Tesla Test Facility is presented. A 1.5 cell iris coupled {pi}mode structure with high average accelerating gradient is chosen for its high shunt impedance, simplicity, and ability to accommodate an externally mounted solenoid for simultaneous beam divergence control and emittance compensation. Beam optics are optimized for an overall injector consisting of the electron gun followed by one linac capture section, a dipole chicane for magnetic bunch compression to achieve a bunch length corresponding to {sigma}{sub z} = 1 mm. Electrical and beam dynamical aspects of the photoinjector design are presented. A description of the proposed experimental program is included.

• Research Organization: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-76CH03000
• OSTI ID: 10185919
• Report Number(s): FNAL-TM-1900; ON: DE95000646; TRN: 94:020334
• Resource Relation: Other Information: PBD: Aug 1994
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ELECTRON GUNS
DESIGN
PHOTOEMISSION
RF SYSTEMS
BEAM EMITTANCE
BEAM INJECTION
BEAM OPTICS
BEAM DYNAMICS
PHOTOCATHODES
LASER RADIATION
430301
ION SOURCES