IBIC2015 - List of Authors (McCrady, R.C.)

Paper	Title	Page
MOPB074	Reference Signal Distribution for Beam Position and Phase Monitors at LANSCE	235
	R.C. McCrady, H.A. Watkins LANL, Los Alamos, New Mexico, USA
	Funding: This work is supported by the United States Department of Energy under contract DE-AC52-06NA2596. The new beam position and phase monitors at LANSCE measure the phase of the beam relative to a reference signal from the master reference oscillator. The distribution of the reference signal along the 800 m long linac is subject to thermal effects, and phase drifts of the reference signal are observed to be greater than 15 degrees. We are investigating stabilisation schemes, one of which involves distributing two RF signals of different frequencies. By observing the phase difference between the two signals, the phase drift of the reference signal can be deduced. Initial tests indicate that the reference can be stabilised to within 0.5 degrees using this scheme. In this paper we will present the principles of operation of this stabilisation scheme and results from tests of the system.
Export •	reference for this paper to ※ BibTeX, ※ LaTeX, ※ Text, ※ RIS/RefMan, ※ EndNote (xml)

TUPB080	Signal Processing Algorithm for Beam Position and Phase Monitors at LANSCE	540
	R.C. McCrady, H.A. Watkins LANL, Los Alamos, New Mexico, USA
	Funding: This work is supported by the United States Department of Energy under contract DE-AC52-06NA2596. The new beam position and phase monitors at LANSCE measure the phase of the beam relative to a reference signal from the master reference oscillator. Because of the various beam pulse formats used at LANSCE the algorithm needs to be flexible and to work well with short bursts of signals. We have developed an algorithm that provides phase resolution of better than 0.25 degrees with signal bursts one microsecond long, and also allows measurement of bursts as short as 100 nanoseconds. For beam position measurements flexibility took priority over precision; the processing scheme provides precision of less than 0.1 mm. In this paper we will present the principles of the algorithm and results of measurements.
Export •	reference for this paper to ※ BibTeX, ※ LaTeX, ※ Text, ※ RIS/RefMan, ※ EndNote (xml)

Paper

Title

Page

Reference Signal Distribution for Beam Position and Phase Monitors at LANSCE

235

R.C. McCrady, H.A. Watkins
LANL, Los Alamos, New Mexico, USA

Funding: This work is supported by the United States Department of Energy under contract DE-AC52-06NA2596.
The new beam position and phase monitors at LANSCE measure the phase of the beam relative to a reference signal from the master reference oscillator. The distribution of the reference signal along the 800 m long linac is subject to thermal effects, and phase drifts of the reference signal are observed to be greater than 15 degrees. We are investigating stabilisation schemes, one of which involves distributing two RF signals of different frequencies. By observing the phase difference between the two signals, the phase drift of the reference signal can be deduced. Initial tests indicate that the reference can be stabilised to within 0.5 degrees using this scheme. In this paper we will present the principles of operation of this stabilisation scheme and results from tests of the system.

Export •

reference for this paper to ※ BibTeX, ※ LaTeX, ※ Text, ※ RIS/RefMan, ※ EndNote (xml)

TUPB080

Signal Processing Algorithm for Beam Position and Phase Monitors at LANSCE

540

R.C. McCrady, H.A. Watkins
LANL, Los Alamos, New Mexico, USA

Funding: This work is supported by the United States Department of Energy under contract DE-AC52-06NA2596.
The new beam position and phase monitors at LANSCE measure the phase of the beam relative to a reference signal from the master reference oscillator. Because of the various beam pulse formats used at LANSCE the algorithm needs to be flexible and to work well with short bursts of signals. We have developed an algorithm that provides phase resolution of better than 0.25 degrees with signal bursts one microsecond long, and also allows measurement of bursts as short as 100 nanoseconds. For beam position measurements flexibility took priority over precision; the processing scheme provides precision of less than 0.1 mm. In this paper we will present the principles of the algorithm and results of measurements.

Export •

reference for this paper to ※ BibTeX, ※ LaTeX, ※ Text, ※ RIS/RefMan, ※ EndNote (xml)