920 resultados para FIBER AMPLIFIER


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Bibliography: p. 17-18.

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Additional references: p. 34-35.

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"For Spanish edition of this material see: ... [his] Fibras vegetales y su producción en América. Translated by María A. Ruisánchez Masters. Unión panamericana, Officina de cooperación agrícola Pub. agric. nos. 137-140"--Foot-notes, p. 1.

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Includes bibliographical references (p. 60-62).

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Caption title.

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Thesis (doctoral)--

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Includes bibliography.

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Continued by U.S. Agricultural Marketing Service. Agricultural Information Bulletin After 1953

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We theoretically demonstrate a method for producing the maximally path-entangled state (1/root2)(\N,0>+exp[iNphi]\0,N>) using intensity-symmetric multiport beam splitters, single photon inputs, and either photon-counting postselection or conditional measurement. The use of postselection enables successful implementation with non-unit efficiency detectors. We also demonstrate how to make the same state more conveniently by replacing one of the single photon inputs by a coherent state.

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Thesis (Master's)--University of Washington, 2016-06

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The purpose of this study was to compare average muscle fiber conduction velocity (CV) and its changes over time in the upper trapezius muscle during a repetitive upper limb task in people with chronic neck pain and in healthy controls. Surface EMG signals were detected bilaterally from the upper trapezius muscle of 19 patients and nine healthy controls using linear adhesive arrays of four electrodes. Subjects were asked to tap their hands in a cyclic manner between targets positioned mid-thigh and 120 degrees of shoulder flexion, to the beat of a metronome set at 88 beats/min for up to 5 min. Muscle fiber CV and instantaneous mean power spectral frequency were estimated for each cycle at the time instant corresponding to 90 degrees of shoulder flexion. Average muscle fiber CV of the upper trapezius muscle was higher in people with chronic neck pain (mean +/- SE, 4.8 +/- 0.1 m/s) than in control subjects (4.4 +/- 0.1 m/s; P