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Journals

Coherent Rayleigh Scattering

October 16, 2008

Author(s)

J H. Grinstead, P F. Barker

Nonresonant four-wave mixing in rarefied gases in which the nonlinearity arises from microscopic velocity perturbations induced by electrostriction has been...

Chemical Force Microscopy of 30 nm Half-Pitch Latent Images in Poly(Methyl-Methacrylate)

October 16, 2008

Author(s)

John T. Woodward IV, Harun Solak

Poly(methyl-methacrylate) (PMMA) thin films were spun cast on silicon and exposed to a 30 nm half-pitch EUV interference pattern. The sample was imaged by...

Stability of Bose-Einstein Condensates in a Kronig-Penney Potential

October 16, 2008

Author(s)

Ippei Danshita, S Tsuchiya

We study the stability of Bose-Einstein condensates with superfluid currents in a one-dimensional periodic potential. By using the Kronig-Penney model, the...

Second Harmonic Generation From the Si/SiO₂ Interface

October 16, 2008

Author(s)

S T. Cundiff, T M. Fortier

Optical second harmonic generation Is very sensitive to surfaces or interfaces if the bulk material is inversion symmetric. We present the resultsof second...

The NIST Eutectic Project: Construction of Co-C, Pt-C, and Re-C Fixed-Point Cell and Their Comparison With the NMIJ

October 16, 2008

Author(s)

Howard W. Yoon, Charles E. Gibson, V B. Khromchenko

The National Institute of Standards and Technology (NIST) has initiated a project on novel high-temperature fixed points by use of metal (carbide)-carbon...

OH stretch overtone spectroscopy and transition dipole slignment of HOD

October 16, 2008

Author(s)

David Nesbitt, J R. Fair, O Votava

Photoscoustic spectroscopy in room-temperature H 2O/HOD/D 2O cells has been used to probe the 3v OH and 4v OH overtone bands in HOD via excitation with a single...

Standards for Intravascular Brachytherapy Dosimetry

October 16, 2008

Author(s)

Christopher G. Soares

The dosimetry of intravascular brachytherapy sources is quite difficult due to the small size of the sources and the close proximity at which measurements are...

Optical Feshbach Resonance of Alkaline-Earth Atoms in a 1D or 2D Optical Lattice

October 16, 2008

Author(s)

Pascal Naidon, Paul S. Julienne

Motivated by a recent experiment by Zelevinsky et al. [Phys. Rev. Lett. 96, 203201], we present the theory for photoassociation and optical Feshbach resonances...

Observation of Polarization-Locked Vector Solitons in Optical Fiber

October 16, 2008

Author(s)

S T. Cundiff, B C. Collins, N N. Akhmediev, J M. Soto-Crespo, K Bergman, W H. Knox

We observe the formation of polarization-locked vector solitons in a modelocked fiber laser. Temporal vector solitons contain components along both principal...

Polycapillary X-Ray Optics for X-Ray Astronomy

October 16, 2008

Author(s)

C H. Russell, Andrey Guber, K Kolodziejczak, M Joy, C A. MacDonald, W M. Gibson

High-energy x-ray spectrometry from astronomical sources is difficult due to low flux rates and high background. Polycapillary X-ray optics can be used to...

Pholarization-Locked Temporal Vector Solitions in a Fiber Laser Experiment

October 16, 2008

Author(s)

B C. Collings, S T. Cundiff, N N. Akhmediev, J M. Soto-Crespo, K Bergman, W H. Knox

We experimentally observe polarization-locked vector solitons in a passively modelocked fiber laser. The vector soliton pulse is composed of components along...

Calculation of Hydrogenic Bethe Logarithms for Rydberg States

October 16, 2008

Author(s)

U Jentschura, Peter J. Mohr

We describe the calculation of hydrogenic (one-loop) Bethe logarithms for all states with principal quantum numbers n 200. While the calculation of the Bethe...

Characterization of UV-Induced Radiation Damage to Si-based Photodiodes

October 16, 2008

Author(s)

Keith R. Lykke, Ping-Shine Shaw, J L. Dehmer, R Gupta

We have made direct measurements of the internal quantum efficiency and the reflectivity of UV-damaged silicon photodiodes in the spectral range of 120 nm to...

Merging the Ultrasensitive the Ultrastable, and the Ultrafast: A New Epoch of Frequency Standards and Optical Frequency Measurement

October 16, 2008

Author(s)

John L. Hall, Jun Ye

The use of optical frequencies in measurement science has been proposed and practiced since the very early days of the invention of lasers. Comparison of a...

Predicted Signature of the Quantum Statistical Nature of Vortices in Bose-Einstein Condensates

October 16, 2008

Author(s)

Z Dutton, L V. Hau

Vortices are robust, particle-like excitations which occur in a variety of fluids. A tell-tale characteristic of superfluids is the existence only of vortices...

Effects of Random Localizing Events on Matter Waves: Formalism and Examples

October 16, 2008

Author(s)

J Gea-Banacloche

A formalism is introduced to describe a number of physical processes that may break down the coherence of a matter wave over a characteristic length scale l. In...

Comparison of Resonance Ionization Mass Spectrometry Systems for the Determination of ¹³⁵Cs/¹³⁷Cs Ratios

October 16, 2008

Author(s)

Leticia Pibida, C A. McMahon, W Nortershauser, B A. Bushaw

The performance of the Resonance Ionization Mass Spectrometry (RIMS) system at the National Institute of Standards and Technology (NIST) has been compared to a...

Quantum Teleportation Between Nanomechanical Modes

October 16, 2008

Author(s)

Lin Tian, Stephen Carr

We study a quantum teleportation scheme between two nanomechanical modes without local interaction. The nanomechanical modes are linearly coupled to and...

Proceedings of the 6th International Colloquium on Atomic Spectra and Oscillator Strengths (ASOS 6) - Victoria, BC, Canada - August 9-13, 1998

October 16, 2008

Author(s)

Wolfgang L. Wiese, D C. Morton

This collection of papers constitutes ath proceedings of the sixth International colloquium on Atomic Spectra and oscillator strengths, encompassing all invited...

Non-Markovian Qubit Dynamics in a Thermal Field Bath: Relaxation, Decoherence, and Entanglement

October 16, 2008

Author(s)

S Shresta, C Anastopolous, A Dragulescu, B- L. Hu

Fourier Transform Spectrometry of Rare Earth Elements for the Lighting Industry

October 16, 2008

Author(s)

Gillian Nave

Branching fractions for neutral holmium have been measured with FT spectrometry. Hyperfine structure patterns have been analyzed using a modified Xgremlin...

Accurate Determination of High Energy Gamma-Ray Standards

October 16, 2008

Author(s)

Ernest G. Kessler Jr., Maynard S. Dewey, R Deslattes, Albert Henins, H G. Borner, M Jentschel, H Lehmann

The extension of accurate crystal diffraction spectroscopy to the 2 to 6 MeV region is described. Gamma-ray standards with a relative uncertainty of (2 to 5)x10...

Fabry-Perot Metrology for Displacements up to 50 mm

October 16, 2008

Author(s)

John R. Lawall

A system designed to apply Fabry-Perot interferometry to the measurement of displacements is described. Two adjacent modes of a Fabry-Perot cavity are probed...

Prospects for mixed-isotope Bose-Einstein condensates in rubidium

October 16, 2008

Author(s)

J P. Burke, J L. Bohn, B D. Esry, C H. Greene

We present quantiative calculations of binary collision parameters for mixtures of ultracold gases of 85Rb and 87Rb atoms. The elastic cross section for pure...

Diffuse Reflectance of Sintered and Pressed Polytetrafluroethylene (PTFE)

October 16, 2008

Author(s)

P Y. Barnes, E A. Early

Polytetrafluoroethylene (PTFE) is widely used in applications requiring a material with a diffuse reflectance factor close to unity. The bidirectional...

Quantized Rotation of Atoms From Photons With Orbital Angular Momentum

October 16, 2008

Author(s)

Mikkel Andersen, Changhyun Ryu, Pierre Clade, Vasant Natarajan, A Vaziri, Kristian Helmerson, William D. Phillips

Light can carry two kinds of angular momentum: Spin angular momentum (SAM) associated with its polarization and orbital angular momentum (OAM) associated with...

Miniature Fourier Transform Instrument for Radiation Thermometry

October 16, 2008

Author(s)

F J. Dunmore, Leonard Hanssen

A miniature Fouier transform (FT0 spectrometer was evaluated as a device for remotely measuring the temperature of a high stability/emissivity blackbody. The...

Relative Number Squeezing in Bose-Einstein Condensates

October 16, 2008

Author(s)

M Edwards, J A. Dunningham, Karen G. Burnett

We describe a procedure for creating pairs of condensates with appreciable relative number squeezing. We show that our procedure is relatively robust against...

Laboratory Experiments for Fundamental Physics in Space

October 16, 2008

Author(s)

William D. Phillips

Laboratory Experiments refers generally to active spaceborne experiments as opposed to the equally important passive observation in space of signals coming from...

Spectroradiometric Sources

October 16, 2008

Author(s)

Howard W. Yoon, Charles E. Gibson

rth climate modeling and global impacts of particles and gases in the atmosphere are some of the studies that benefit from the use of spectroradiometers...

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