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Status report on post conversion AGS and future developments at the AGS

Description: From seminar on high-energy accelerator science; Tokyo and Tsukuba, Japan (5 Nov 1973). Recent AGS performance results are presented and details are given regarding 200-MeV linac injector parameters, multiturn injection, longitudinal and transverse intensity dependent effects and the status of modified and new external beam systems at the AGS. Development work in progress and under consideration for further improvement of the AGS performance and utilization potential for physics is outlined. (auth)
Date: January 1, 1973
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

National Synchrotron Light Source and special radiation-sources development

Description: Design features are presented of the two high current electron storage rings comprising the National Synchrotron Light Source and its basic parameters are enumerated. In addition, an overview is presented of the special radiation sources under construction and development, including a superconducting wiggler, permanent magnet wiggler, x-ray and vuv undulators, free electron laser source and Compton backscattered ..gamma.. source.
Date: January 1, 1982
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Optimization of a synchrotron radiation source

Description: Some aspects of the optimization of an electron storage ring as a synchrotron radiation source will be presented. This will include the choice of magnet ring structure, choice of electron accelerating system parameters and choice of structure sections for the use of high field wigglers or undulators.
Date: January 1, 1979
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Synchrotron radiation sources

Description: As a result of the exponential growth of the utilization of synchrotron radiation for research in the domain of the material sciences, atomic and molecular physics, biology and technology, a major construction activity has been generated towards new dedicated electron storage rings, designed optimally for synchrotron radiation applications, also, expansion programs are underway at the existing facilities, such as DORIS, SPEAR, and VEPP. In this report the basic properties of synchrotron radiation will be discussed, a short overview will be given of the existing and new facilities, some aspects of the optimization of a structure for a synchrotron radiation source will be discussed and the addition of wigglers and undulators for spectrum enhancement will be described. Finally, some parameters of an optimized synchrotron radiation source will be given.
Date: January 1, 1979
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Considerations in SR facility planning: Technical options in the design of an intermediate energy synchrotron radiation source

Description: The parameter optimization and design options of a state of the art intermediate energy synchrotron radiation source are considered. This includes consideration of beam energy, current and emittance; ring magnet lattice, the use of insertion devices and related parameters and various technological aspects. 21 refs., 10 figs., 8 tabs.
Date: January 1, 1989
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

National synchrotron light source: basic design and project status

Description: A summary description and the basic design parameters of the National Synchrotron Light Source, a facility for the generation of intense synchrotron radiation in the VUV and x-ray range is presented, the parameters of the sources are given, the presently planned facility beam lines are tabulated and the status of the project is indicated.
Date: January 1, 1979
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

National Synchrotron Light Source

Description: The National Synchrotron Light Source comprises two high intensity electron storage rings for the generation of intense fluxes of synchrotron radiation in the vuv wavelength domain (700 MeV e/sup -/ ring) and in the x-ray wavelength domain (2.5 GeV e/sup -/ ring). A description is presented of the basic facility and the characteristics of the synchrotron radiation sources. The present plans for specific beam lines will be enumerated and the planned use of beam wigglers and undulators will be discussed.
Date: January 1, 1979
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Storage ring design for x-ray lithography

Description: The design of an electron storage ring for Industrial x-ray Lithography is examined and a parameter optimization carried out based on a model lithography system in use at the National Synchrotron Light Source at Brookhaven National Laboratory. In this optimization the potential use of superconducting or permanent magnet wigglers is considered. The basic parameters and geometry of a number of t(exposure) = 5 sec., lambda (operating) = 8.26 A devices are presented.
Date: January 1, 1983
Creator: van Steenbergen, A. & Grobman, W.
Partner: UNT Libraries Government Documents Department

Design and project status of the National Synchrotron Light Source; storage rings (2. 5 GeV, 0. 7 GeV) for the generation of bright synchrotron radiation sources

Description: Two high intensity storage rings are being constructed at Brookhaven National Laboratory for the generation of intense fluxes of synchrotron radiation in the vuv wavelength region (700 MeV ring, lambda/sub c/ = 31.5 A) and in the x-ray wavelength region (2.5 GeV ring, lambda/sub c/ = 2.5 A). A description is given of the facility, the main features of the storage rings are presented and the basic parameters are enumerated. High field superconducting wigglers, to lower the short wavelength cutoff in the x-ray ring, and undulators, for flux enhancement or a free electron laser experiment will be incorporated and parameters are given here. Special design aspects to optimize the electron storage rings as dedicated synchrotron radiation sources will be emphasized and the status of the project will be given.
Date: January 1, 1980
Creator: van Steenbergen, A
Partner: UNT Libraries Government Documents Department

Electron beam optics for the FEL experiment and IFEL experiment

Description: Electron beam transport system parameters for the FEL experiment and for the FEL experiment are given. The perturbation of the interaction region'' optics due to wiggler focussing is taken into account and a range of solutions are provided for relevant Twiss parameters in the FEL or IFEL region. Modifications of the transport optics in specific sections of the overall beam transport lines, for reasons of enhanced diagnostic capability or enhanced beam momentum analysis resolution, is also presented.
Date: January 1, 1990
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Overview of undulators and wigglers for the NSLS

Description: This summary is designed to present to the NSLS user community the possible options for wigglers and undulators. The desire is to make it possible for every user to respond to the request by the NSLS for guidance in insertion device development so that it can best serve their scientific interests. There are many options, each with its own advantages and disadvantages, as well as certain restrictions imposed by the parameters of the NSLS storage rings. The NSLS is asking for input in two areas. First, we must decide on the instrumentation to be developed for the high field superconducting wiggler beam lines and for the hybrid permanent magnet wiggler lines. Secondly, the long-range plans for additional insertion devices are now under discussion. Choices must be made between the large number of different magnets which can be built. To facilitate user response, we provide a review of the properties of wigglers and undulators, introducing the basic concepts and defining the fundamental parameters. A detailed account of the brightness of the undulator source is presented and the insertion devices already under construction for the x-ray and VUV rings are discussed. We describe the suitability of certain proposed undulators for the generation of soft x-rays (5 to 50A), and harder x-rays (3 to 12A).
Date: September 1, 1982
Creator: Krinsky, S.; Thomlinson, W. & van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Electron beam optics for the FEL experiment and IFEL experiment

Description: Electron beam transport system parameters for the FEL experiment and for the FEL experiment are given. The perturbation of the ``interaction region`` optics due to wiggler focussing is taken into account and a range of solutions are provided for relevant Twiss parameters in the FEL or IFEL region. Modifications of the transport optics in specific sections of the overall beam transport lines, for reasons of enhanced diagnostic capability or enhanced beam momentum analysis resolution, is also presented.
Date: December 31, 1990
Creator: van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Free electron laser experiment at Brookhaven

Description: The status of the free electron laser experiment at Brookhaven is reported. We describe the permanent magnet undulator already built and ready to be installed on the VUV storage ring. We also describe the gain measurement experiment now being prepared.
Date: January 1, 1982
Creator: Luccio, A.; Pellegrini, C.; van Steenbergen, A. & Yue, L.H.
Partner: UNT Libraries Government Documents Department

Design of a 6 Tesla wiggler for the National Synchrotron Light Source

Description: A 6-pole, 6 Tesla wiggler with Nb-Ti superconducting windings has been designed, to be installed in a straight section of the 2.5 GeV x-ray storage ring of the NSLS. The technical problems of this magnet are discussed, in particular the optimization of the two-layer magnetic windings and the mechanical structure designed to counteract the strong magnetic forces. The effects of the insertion of the wiggler in the storage ring lattice are also studied.
Date: January 1, 1981
Creator: Hsieh, H; Krinsky, S; Luccio, A & van Steenbergen, A
Partner: UNT Libraries Government Documents Department

Magnetic performance of a fast excitation wiggler for inverse free-electron lasers

Description: With the objective of performing an inverse free-electron laser accelerator experiment, an iron dominated (Vanadium Permendur), fast excitation, high K planar wiggler has been guilt and measured. We present in this report an analysis of a constant period wiggler and several tapering configurations (gap=4 mm; 3.0 cm < {lambda}{sub {omega}} < 5.0 cm) when we drive it to a peak field of B{sub max} {approx} 1.4T.
Date: December 31, 1993
Creator: Gallardo, J.C.; Romano, T. & van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

BNL feasibility studies of spallation neutron sources

Description: This paper is the summary of conceptual design studies of a 5 MW Pulsed Spallation Neutron Source (PSNS) conducted by an interdepartmental study group at Brookhaven National Laboratory. The study was made of two periods. First, a scenario based on the use of a 600 MeV Linac followed by two fast-cycling 3.6 GeV Synchrotrons was investigated. Then, in a subsequent period, the attention of the study was directed toward an Accumulator scenario with two options: (1) a 1.25 GeV normal conducting Linac followed by two Accumulator Rings, and (2) a 2.4 GeV superconducting Linac followed by a single Accumulator Ring. The study did not make any reference to a specific site.
Date: December 1, 1995
Creator: Lee, Y.Y.; Ruggiero, A.G.; Van Steenbergen, A. & Weng, W.T.
Partner: UNT Libraries Government Documents Department

A pulsed spallation neutron source: Solution with a 1.25 GeV accumulator

Description: As a possible alternative design approach for the 5 MW Pulsed Spallation Neutron Source (PSNS), the use of an intermediate energy Linac, in conjunction with two accumulator rings has been studied. The lower final beam energy necessitates the use of higher beam current. This disadvantage is greatly offset by the use of dc rings, reducing by an order of magnitude the RF requirements, simplifying greatly the ring magnets and associated power supplies, and eliminating the use of aperture demanding, impedance compensated, ceramic chambers. The reduced magnet/magnet power supply cost and reduction of ring beam energy, permits greater sophistication in ring lattice structure design, easing the beam injection configuration and permitting greater control over localizing unavoidable beam loss.
Date: October 30, 1995
Creator: Blumberg, L.N.; Luccio, A.U. & Van Steenbergen, A.
Partner: UNT Libraries Government Documents Department

Wiggler, undulator, and free-electron laser-radiation sources development at the National Synchrotron Light Source

Description: An overview is presented of the special radiation sources development at the NSLS for incorporation in a 2.5 GeV X-ray storage ring and a 700 MeV vuv storage ring. This includes a superconducting high field multipole wiggler, lambda/sub c/ = 0.5A; a permanent magnet wiggler, lambda/sub c/ = 2.0A; a maximum photon energy undulator (5 to 7 keV); an undulator for a soft X-ray line or continuum spectrum and a free electron laser source tunable in the 2500 to 4500A region. Source characteristics and status of development are given. In addition, the incorporation of a backscattered Compton photon source is being studied and relevant parameters are presented.
Date: January 1, 1982
Creator: Hsieh, H.; Krinsky, S.; Luccio, A.; Pellegrini, C. & van Steenbergen, A.
Partner: UNT Libraries Government Documents Department