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Displaying records 611 to 620 of 733 records.
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611. Sub-micron force detection using optically-cooled levitated microspheres
Topic: Physics
Published: 9/3/2010
Authors: Andrew Geraci, Scott B Papp, John E Kitching
Abstract: We propose an experiment using optically trapped and cooled dielectric microspheres for the detection of short-range forces. The center-of-mass motion of a microsphere trapped in vacuum can experience extremely low dissipation and quality factors of ...

612. Submillimeter Spectrum and Analysis of Vibrational and Hyperfine Coupling Effects in (HI)2
Topic: Physics
Published: 10/1/2009
Authors: Laurent H. Coudert, Sergei P. Belov, F. Willaert, B. McElmurry, R. Lucchese, John W. Bevan, Jon Torger Hougen
Abstract: Observed rotational-vibrational transitions of HI dimer in the geared bending mode, centered at 511.9 GHz, are reported. This ~50 kHz high resolution spectrum was recorded using a co-axially configured pulsed jet submillimeter spectrometer and the h ...

613. Sum-Frequency Generation of Continuous-Wave Light at 194 nm
Topic: Physics
Published: 6/20/1997
Authors: D J Berkeland, F C Cruz, James C Bergquist

614. Superconducting transition edge sensor using dilute AlMn alloys
Topic: Physics
Published: 7/6/2004
Authors: Steven Deiker, William Bertrand Doriese, Gene C Hilton, Kent D Irwin, William H Rippard, Joel Nathan Ullom, Leila R Vale, Steve T Ruggiero, Anthony Williams, B. Young
Abstract: We have fabricated a bolometer using a transition-edge sensor (TES) made of Al doped with Mn to suppress the superconducting critical temperature !Tc" of Al from #1 K to #100 mK. The resulting detector exhibits low-frequency noise consistent with t ...

615. Supercontinuum generation in an on-chip silica waveguide
Topic: Physics
Published: 2/13/2014
Authors: Scott A Diddams, Dong Yoon Oh, David Sell, Hansuek Lee, Ki Youl Yang, Kerry J. Vahala
Abstract: Supercontinuum generation is demonstrated in an on-chip silica spiral waveguide by launching 180-fs pulses from an optical parametric oscillator at the center wavelength 1330 nm. With a coupled pulse energy of 2.17 nJ, the broadest spectrum in the fu ...

616. Superposition, Entanglement, and Raising Schroedinger's Cat
Topic: Physics
Published: 7/12/2013
Author: David J Wineland
Abstract: This is a written version of the lecture I presented in connection with the Nobel Prize ceremonies in December 2012. The paper briefly summarizes experiments on quantum state manipulaiton and measurement in the context of trapped atomic ions. The f ...

617. Suppression of excess noise in transition-edge sensors using magnetic field and geometry
Topic: Physics
Published: 12/17/2003
Authors: Joel Nathan Ullom, William Bertrand Doriese, Gene C Hilton, James A Beall, Steven Deiker, Kent D Irwin, Carl D Reintsema, Leila R Vale, Yizi Xu
Abstract: We report recent progress at NIST on Mo/Cu Transition-Edge Sensors (TESs). While the signal- band noise of our sensors agrees with theory, we observe excess high-frequency noise. We describe this noise and demonstrate that it can be heavily suppresse ...

618. Surface-Electrode Architecture for Ion-Trap Quantum Information Processing
Topic: Physics
Published: 9/1/2005
Authors: J Chiaverini, Brad Rodney Blakestad, Joseph Wright Britton, John D. Jost, C. Langer, Dietrich G Leibfried, R Ozeri, David J Wineland
Abstract: We investigate a surface-mounted electrode geometry for miniature linear radio frequency Paul ion traps. The electrodes reside in a single plane on a substrate, and the pseudopotential minimum of the trap is located above the substrate at a distance ...

619. Survey of FY 2001 Nanotechnology-Related Research at the National Institute of Standards and Technology.
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6864
Topic: Physics
Published: 1/1/2002
Authors: Chad R Snyder, J P. Looney, M P Casassa

620. Symmetry and Fourier analysis of the ab-initio-determined torsional variation of structural and Hessian-related quantities for application to vibration-torsion-rotation interactions in CH3OH
Topic: Physics
Published: 1/11/2010
Authors: Li-Hong Xu, Jon Torger Hougen, Jonathan M. Fisher, Ronald M. Lees
Abstract: The aim of the present paper is to investigate the use of quantum chemistry calculations to obtain the torsional dependence of various structural and vibrational-force-field-related quantities that could help in estimating the vibration-torsion-rotat ...

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