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J. Gallardo

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Last Name: Gallardo

Full Name: J. Gallardo

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3 papers

title: A microwiggler free-electron laser at the Brookhaven Accelerator Test Facility

format: conference procceeding

conference: 11th International Free Electron Laser Conference

year: 1990

8 authors: Batchelor, K. | Ben-Zvi, I. | R. Fernow | J. Gallardo | H. Kirk | C. Pellegrini | van Steenbergen, A. | Bhowmik, A.

abstract: The authors report the design and status of an FEL experiment at the Brookhaven National Laboratory Accelerator Test Facility. A 50 MeV high-brightness electron beam will be utilized for an oscillator experiment in the visible-wavelength region. The microwiggler to be used is a superferric planar undulator with a 0.88 cm period, 60 cm length and K=0.35. The optical cavity is a 368 cm long stable resonator with broadband dielectric coated mirrors. (8 References).

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title: Operational status of the Brookhaven National Laboratory Accelerator Test Facility

format: conference procceeding

conference: 1989 Particle Accelerator Conference

year: 1989

18 authors: Batchelor, K. | Ben-Zvi, I. | Biglio, I. | Chou, T. S. | R. Fernow | Fischer, J. | J. Gallardo | H. G. Kirk | Kurnit, N. | McDonald, K. T. | Palmer, R. B. | Parsa, Z. | C. Pellegrini | Sheehan, J. | Srinivasan-Rao, T. | Ulc, S. | M. Woodle | van Steenbergen, A.

abstract: The design and operation of a 50-MeV electron linear accelerator utilizing a low emittance ( gamma epsilon =5 to 10 mm-mrad) radio-frequency gun operating at an output energy of 5 MeV and a charge of 1 nC are described. Design calculations, early radio-frequency measurements, and operational experience with the electron gun utilizing a dummy cathode in place of the proposed photocathode emitter are given. The dynamics of the electron beam coming off the photocathode has been modeled with the programs PARMELA and MASK. General agreement as to the expected characteristics of the electron beam at the RF-gun exit has been obtained using the two programs. It was also verified that, with proper matching of the transverse beam, no increase of the transverse normalized emittance occurs at the linac due to the fundamental RF mode. (5 References).

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title: The Brookhaven Accelerator Test Facility

format: conference procceeding

conference: 1988 Linear Accelerator Conference

year: 1989

16 authors: Batchelor, K. | Chou, T. S. | R. C. Fernow | Fischer, J. | J. Gallardo | H. G. Kirk | Koul, R. | Palmer, R. B. | C. Pellegrini | Sheehan, J. | Srinivasan-Rao, T. | Ulc, S. | M. Woodle | Bigio, I. | Kurnit, N. | McDonald, K. T.

abstract: The Brookhaven Accelerator Test Facility (ATF) will consist of a 50-100 MeV/c electron linac and a 100 GW CO/sub 2/ laser system. A high brightness RF-gun operating at 2856 MHz is to be used as the injector into the linac. The RF-gun contains a Nd:Yag-laser-driven photocathode capable of producing a stream of six ps electron pulses separated by 12.5 ns. The maximum charge in a micropulse will be one nano-Coulomb. The CO/sub 2/ laser pulse length will be a few picoseconds and will be synchronized with the electron pulse. The design electron beam parameters are given and possible initial experiments are discussed. (9 References).

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title:	A microwiggler free-electron laser at the Brookhaven Accelerator Test Facility
format:	conference procceeding
conference:	11th International Free Electron Laser Conference
year:	1990
8 authors:	Batchelor, K. \| Ben-Zvi, I. \| R. Fernow \| J. Gallardo \| H. Kirk \| C. Pellegrini \| van Steenbergen, A. \| Bhowmik, A.
abstract:	The authors report the design and status of an FEL experiment at the Brookhaven National Laboratory Accelerator Test Facility. A 50 MeV high-brightness electron beam will be utilized for an oscillator experiment in the visible-wavelength region. The microwiggler to be used is a superferric planar undulator with a 0.88 cm period, 60 cm length and K=0.35. The optical cavity is a 368 cm long stable resonator with broadband dielectric coated mirrors. (8 References).
keywords:
Download \| View \| Details \| edit \| delete

title:	Operational status of the Brookhaven National Laboratory Accelerator Test Facility
format:	conference procceeding
conference:	1989 Particle Accelerator Conference
year:	1989
18 authors:	Batchelor, K. \| Ben-Zvi, I. \| Biglio, I. \| Chou, T. S. \| R. Fernow \| Fischer, J. \| J. Gallardo \| H. G. Kirk \| Kurnit, N. \| McDonald, K. T. \| Palmer, R. B. \| Parsa, Z. \| C. Pellegrini \| Sheehan, J. \| Srinivasan-Rao, T. \| Ulc, S. \| M. Woodle \| van Steenbergen, A.
abstract:	The design and operation of a 50-MeV electron linear accelerator utilizing a low emittance ( gamma epsilon =5 to 10 mm-mrad) radio-frequency gun operating at an output energy of 5 MeV and a charge of 1 nC are described. Design calculations, early radio-frequency measurements, and operational experience with the electron gun utilizing a dummy cathode in place of the proposed photocathode emitter are given. The dynamics of the electron beam coming off the photocathode has been modeled with the programs PARMELA and MASK. General agreement as to the expected characteristics of the electron beam at the RF-gun exit has been obtained using the two programs. It was also verified that, with proper matching of the transverse beam, no increase of the transverse normalized emittance occurs at the linac due to the fundamental RF mode. (5 References).
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title:	The Brookhaven Accelerator Test Facility
format:	conference procceeding
conference:	1988 Linear Accelerator Conference
year:	1989
16 authors:	Batchelor, K. \| Chou, T. S. \| R. C. Fernow \| Fischer, J. \| J. Gallardo \| H. G. Kirk \| Koul, R. \| Palmer, R. B. \| C. Pellegrini \| Sheehan, J. \| Srinivasan-Rao, T. \| Ulc, S. \| M. Woodle \| Bigio, I. \| Kurnit, N. \| McDonald, K. T.
abstract:	The Brookhaven Accelerator Test Facility (ATF) will consist of a 50-100 MeV/c electron linac and a 100 GW CO/sub 2/ laser system. A high brightness RF-gun operating at 2856 MHz is to be used as the injector into the linac. The RF-gun contains a Nd:Yag-laser-driven photocathode capable of producing a stream of six ps electron pulses separated by 12.5 ns. The maximum charge in a micropulse will be one nano-Coulomb. The CO/sub 2/ laser pulse length will be a few picoseconds and will be synchronized with the electron pulse. The design electron beam parameters are given and possible initial experiments are discussed. (9 References).
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