Optical Beam Timing Monitor Experiments at the Advanced LightSource

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We present the initial results of an experimental study of abeam timing monitor based on an optoelectronic technique. This techniqueuses the electrical signal from a beam position monitor to modulate theamplitude of a train of laser pulses, converting timing jitter into anamplitude jitter. This modulation is then measured with a photodetectorand sampled by a fast ADC. This approach has already demonstrated sub-100fs resolution and promises even better results. Additionally, we areplanning to use the technique as a way to extract the maximum possiblebandwidth from a BPM, avoiding the dispersion typical of long RF cables.We show our initial results using signals ... continued below

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Byrd, John; De Santis, Stefano; Wilcox, Rusell & Yan, Yin June 17, 2007.

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We present the initial results of an experimental study of abeam timing monitor based on an optoelectronic technique. This techniqueuses the electrical signal from a beam position monitor to modulate theamplitude of a train of laser pulses, converting timing jitter into anamplitude jitter. This modulation is then measured with a photodetectorand sampled by a fast ADC. This approach has already demonstrated sub-100fs resolution and promises even better results. Additionally, we areplanning to use the technique as a way to extract the maximum possiblebandwidth from a BPM, avoiding the dispersion typical of long RF cables.We show our initial results using signals from the Advanced Light Sourcestorage ring.

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  • Particle Accelerator Conference 2007,Albuquerque, NM, June 25-29, 2007

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  • Report No.: LBNL--63106
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 927387
  • Archival Resource Key: ark:/67531/metadc896000

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Office of Scientific & Technical Information Technical Reports

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  • June 17, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 31, 2016, 4:12 p.m.

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Byrd, John; De Santis, Stefano; Wilcox, Rusell & Yan, Yin. Optical Beam Timing Monitor Experiments at the Advanced LightSource, article, June 17, 2007; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc896000/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.