6 papers

title:	Commissioning of the Neptune photoinjector
format:	conference procceeding
conference:	2001 Particle Accelerator Conference
year:	2001
9 authors:	S. Boucher | Burke, A. | Loh, M. | P. Musumeci | J. B. Rosenzweig | M.C. Thompson | S. Anderson | R. Agustsson | R. J. England
abstract:	The status of the RF photoinjector in the Neptune advanced accelerator laboratory is discussed. The components of the photoinjector: the RF gun and booster linac, chicane compressor, and beam diagnostic systems are described. Measurement techniques used to diagnose the short pulse length, high brightness beam are detailed and measurements of emittance and pulse compression are given. The effect of the pulse compressor on transverse emittance is explored. (11 References).
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title:	Commissioning and measurements of the Neptune photo-injector
format:	conference procceeding
conference:	9th Advanced Accelerator Concepts Workshop
year:	2001
6 authors:	S. Anderson | Loh, M. | P. Musumeci | J. B. Rosenzweig | Suk, H. | M.C. Thompson
abstract:	The photo-injector for the Neptune Advanced Accelerator Laboratory is introduced. Its component parts, including the radio frequency gun, photo-cathode drive laser system, booster linac, RF system, chicane compressor, beam diagnostics, and control system are described. The injector is designed to produce high brightness, short pulse electron beams. Measurements of the photo-injector beams including quantum efficiency, emittance, pulse length, and pulse compression are presented. (21 References).
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title:	Commissioning of the Neptune Photoinjector
format:	conference procceeding
conference:	APS April Meeting
year:	2000
13 authors:	S. Anderson | J. B. Rosenzweig | Burke, A. | X. Ding | Loh, M. | P. Musumeci | C. Pellegrini | Suk, H. | M.C. Thompson | C. Clayton | C. Joshi | Marsh, K. | P. Muggli
abstract:	The status of the commissioning of the rf photoinjector in the Neptune advanced accelerator laboratory is discussed. The component parts of the photoinjector, the rf gun, photocathode drive laser system, booster linac, rf system, chicane compressor, beam diagnostics systems, and control system are described. Recent improvements in the rf gun, rf timing, and chicane compressor systems are detailed. This injector is designed to produce short pulse length, high brightness electron beams. Experiments planned for the immediate future are described. Initial measurements of various beam parameters are presented.
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title:	Electron Beam Photocathode Cleaning
format:	conference procceeding
conference:	APS April Meeting
year:	2000
7 authors:	M.C. Thompson | S. Anderson | Loh, M. | P. Musumeci | J. B. Rosenzweig | Suk, H. | D. T. Palmer
abstract:	We are experimenting with low energy electron beams as a means of cleaning and improving the quantum efficiency of metallic photocathodes. Electron beam surface cleaning has been used successfully in electron cooling devices at Fermilab (S. Nagaitsev) and Novosibirsk (A.N. Sharapa and A.V. Shemyakin). The cooling device data indicates that a 2 mA h/cm2 specific dose of 3 keV electrons on the surface of the photocathode will produce a surface with an outgas rate at least one order of magnitude lower than a 24 hour 400
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title:	Underdense plasma lens experiment at the UCLA Neptune Laboratory
format:	conference procceeding
conference:	1999 Particle Accelerator Conference
year:	1999
10 authors:	Suk, H. | C. E. Clayton | G. Hairapetian | C. Joshi | Loh, M. | P. Muggli | R. Narang | C. Pellegrini | J. B. Rosenzweig | T. C. Katsouleas
abstract:	An underdense plasma-lens experiment is planned at the UCLA Neptune Laboratory. For this experiment, a LaB/sub 6/-based discharge plasma source was developed and tested. Test results of the plasma source show that it can provide satisfactory Ar plasma parameters for underdense plasma lens experiments, i.e., a density in the low 10/sup 12/ cm/sup -3/ range and a thickness of a few cm. In the plasma chamber a YAG slab and a Cherenkov radiator are placed for electron beam diagnostics so that both time-integrated and time-resolved information will be obtained and compared with the MAGIC code (2 and 1/2 dimensional particle-in-cell) simulations. In this paper, the planned experiment including test results of the plasma source, diagnostics and MAGIC simulation results is presented. (5 References).
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title:	Commissioning of the Neptune photoinjector
format:	conference procceeding
conference:	1999 Particle Accelerator Conference
year:	1999
21 authors:	S. Boucher | P. Musumeci | Loh, M. | Burke, A. | S. Anderson | J. B. Rosenzweig | Bishofberger, K. | X. Ding | Holden, T. | A. Murokh | C. Pellegrini | Suk, H. | A. Tremaine | C. Clayton | C. Joshi | Marsh, K. | P. Muggli | M.C. Thompson | S. Anderson | R. Agustsson | R. J. England
abstract:	The status of the commissioning of the RF photoinjector in the Neptune advanced accelerator laboratory is discussed. The component parts of the photoinjector, the RF gun, photocathode drive laser system, booster linac, RF system, chicane compressor, beam diagnostics systems, and control system are described. This injector is designed to produce short pulse length, high brightness electron beams. Experiments planned for the immediate future are described. Initial measurements of various beam parameters are presented. (10 References).
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