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Journals

Optimizing Single-Photon Source Heralding Efficiency and Detection Efficiency Metrology at 1550 nm Using Periodically Poled Lithium Niobate

March 23, 2006

Author(s)

Stefania Castelletto, Ivo P. Degiovanni, V Schettini, Alan L. Migdall

We explore the feasibility of using high-efficiency periodically-poled crystals to produce photon pairs for photon-counting detector calibrations at 1550 nm...

Remotely Accessed Photovoltaic Power Experiment

March 21, 2006

Author(s)

W J. Hutzel, William M. Healy

A solar energy experiment that estimates the number of photovoltaic panels needed to provide supplemental power for a typical residence is described. The...

Probing the ordering of semiconducting fluorene-thiophene copolymer surfaces on rubbed polymide substrates by near-edge X-ray absorption fine structure

March 21, 2006

Author(s)

L R. Pattison, A Hexemer, E J. Kramer, Sitaraman Krishnan, P M. Petroff, Daniel A. Fischer

Characterizing Gaseous Air Cleaner Performance in the Field

March 20, 2006

Author(s)

Cynthia H. Reed, Steven J. Emmerich, Steven J. Nabinger

As part of an ongoing effort to better understand the performance of indoor air cleaners in buildings, the National Institute of Standards and Technology (NIST)...

High sensitivity bacterial detection using biotin-tagged phage quantum-dot nanocomplexes

March 20, 2006

Author(s)

R Edgar, M Mckinstry, Jeeseong C. Hwang, A B. Oppenheim, R A. Fekete, Gary Giulian, C Merril, K Nagashima, S Adhya

Conformational Changes Associated With Receptor-Stimulated Guanine Nucleotide Exchange in a Heterotrimeric G-Protein α-Subunit: NMR Analysis of the GTPγS-Bound States

March 17, 2006

Author(s)

K D. Ridge, N G. Abdulaev, Xi-Cheng Zhang, T Ngo, D M. Brabazon, John P. Marino

Solution NMR studies of a 15N-labeled G-protein ?-subunit (G?) chimera (15N-ChiT) reconstituted heterotrimer have previously shown that binding of ??-subunits...

Poisson transition rates from time-domain measurements with finite bandwidth

March 17, 2006

Author(s)

Ofer Naaman, Joe Aumentado

We show that in realistic time-domain measurements of a Poisson two-level system, the observed transition rates are renormalized downwards due to the finite...

Fast Setting CPC-Chitosan Composite: Mechanical Properties and Dissolution Rates

March 16, 2006

Author(s)

Limin Sun, Hockin D. Xu, Shozo Takagi, Laurence C. Chow

Calcium phosphate cement (CPC) can self-harden in vivo to form hydroxyapatite with excellent osteoconductivity. In recent studies, CPC-chitosan composites were...

Frequency-Resolved Coherent LIDAR using a Femtosecond Fiber Laser

March 15, 2006

Author(s)

William C. Swann, Nathan R. Newbury

We demonstrate a coherent lidar that uses a broadband femtosecond fiber laser as a source and resolves the returning heterodyne signal into N spectral channels...

Alkanethiols on Platinum: Multicomponent Self-Assembled Monolayers

March 14, 2006

Author(s)

D Y. Petrovykh, H Y. Kimura-Suda, A Opdahl, Lee J. Richter, Michael J. Tarlov, L J. Whitman

We have studied the formation of self-assembled monolayers (SAMs) of n-alkanethiols on platinum thin films using X-ray photoelectron spectroscopy (XPS)...

Tissue Engineering Scaffolds Based on Photocured Dimethacrylate Polymers for the In-Vitro Optical Imaging of Cellular Activity

March 13, 2006

Author(s)

Forrest A. Landis, J S. Stephens, James A. Cooper, Sheng Lin-Gibson

Model tissue engineering scaffolds based on photocurable resin mixtures with sodium chloride have been prepared for optical imaging studies of cell attachment...

Generalized nonlinear Schrödinger equation and ultraslow optical solitons in a cold four-state atomic system

March 13, 2006

Author(s)

Lu Deng, Guoxiang Huang, C Hang

We investigate the influence of high-order dispersion and nonlinearity on the propagation of ultraslow optical solitons in a lifetime broadened four-state...

Highly efficient inelastic four-wave mixing using dual induced transparency and coherently prepared states

March 13, 2006

Author(s)

Lu Deng, M. G. Payne, Kaijun Jiang

We investigate a life time broadened and coherently prepared five-state system for multi-wave mixing processes. We show that very efficient wave mixing occurs...

Effects of Humidity on Unencapsulated Poly(thiophene) Thin Film Transistors

March 13, 2006

Author(s)

Michael L. Chabinyc, Fred Endicott, B D. Vogt, Dean DeLongchamp, Eric K. Lin, Yiliang Wu, Ping Liu, Beng S. Ong

The effects of humidity on unencapsulated polymeric thin-film transistors (TFTs) were investigated. TFTs were fabricated on glass substrates with inorganic gate...

High Throughput Microfluidic Light Scattering for Aqueous Polymer Solutions

March 10, 2006

Author(s)

A I. Norman, Wenhua Zhang, Kathryn L. Beers, Eric J. Amis

A small-angle light scattering (SALS) apparatus, coupled with a specially designed microfluidic device was used, to monitor the structure of a diblock copolymer...

Optical Properties of Fluids For 248 nm and 193 nm Immersion Photolithography

March 10, 2006

Author(s)

Simon G. Kaplan, John H. Burnett

We present measured values of the refractive index, thermo-optic coefficient, and absorption coefficient of a number of common organic solvents and aqueous...

DNA Commission of the International Society of Forensic Genetics (ISFG): An update of the recommendations on the use of Y-STRs in forensic analysis

March 10, 2006

Author(s)

L. Gusmao, John M. Butler, A. Carracedo, P. Gill, M. Kayser, W. R. Mayr, N. Morling, M. Prinz, L. Roewer, C. Tyler-Smith, P. M. Schneider

Nanometer Scale Crystallographic Texture Mapping of Platinum and Lead Zirconate Titanate Thin Films by Electron Backscatter Diffraction

March 9, 2006

Author(s)

G R. Fox, X Han, T Maitland, Mark D. Vaudin

Influence of surface energy and relative humidity on AFM nanomechanical contact stiffness

March 9, 2006

Author(s)

Donna C. Hurley, Malgorzata Kopycinska-Mueller, D Julthongpiput, Michael J. Fasolka

The effects of surface functionality and relative humidity (RH) on nanomechanical properties were investigated using atomic force acoustic microscopy (AFAM), a...

Optical frequency measurements of 6s²S_1/2 – 6p²P_1/2 (D1) transitions in ¹³³Cs and their impact on the fine-structure constant

March 8, 2006

Author(s)

Vladislav Gerginov, K Calklins, Carol Tanner, John J. McFerran, Scott A. Diddams, A Bartels, Leo W. Hollberg

High resolution laser spectroscopy of 6s 2S 1/2 – 6p 2P 1/2 transition (D1 line) in neutral 133Cs is performed in a highly collimated thermal atomic beam using...

Optical frequency measurements of 6s ²S_1/2 – 6p ²P_1/2 (D¹)transitions in ¹³³Cs and their impact on the fine-structure constant

March 8, 2006

Author(s)

Vladislav Gerginov, K Calklins, B Tanner, John J. McFerran, Scott A. Diddams, Albrecht Bartels, Leo W. Hollberg

High resolution laser spectroscopy of 6s 2S 1/2 – 6p 2P 1/2 transition (D 1 line) in neutral 133Cs is performed in a highly collimated thermal atomic beam using...

Single electron tunnelling transistor with tunable barriers using silicon nanowire MOSFET

March 7, 2006

Author(s)

Akira Fujiwara, Hiroshi Inokawa, Kenji Yamazaki, Hideo Namatsu, Yasuo Takahashi, Neil M. Zimmerman, Stuart Martin

Single-electron tunnelling (SET) transistors 1 are now of great and wide interest as basic elements for future applications such as low-power nanoelecronics 2...

Evaluating the Correlation Between Fibroblast Morphology and Promoter Activity on Thin Films of Extracellular Matrix Proteins

March 6, 2006

Author(s)

K J. Langenbach, John T. Elliott, Alessandro Tona, Anne L. Plant

The response of cells to their environment is complex, not only because of the many chemical, mechanical, and other features of the environment that they...

Magnetic field-induced spectroscopy of strongly forbidden optical transitions

March 3, 2006

Author(s)

Alexey Taychenachev, V Yudin, Christopher W. Oates, C Hoyt, Zeb Barber, Leo W. Hollberg

We propose a method that uses a static magnetic field to enable direct optical excitation of forbidden electric dipole transitions that are otherwise...

Direct Excitation of the Forbidden Clock Transition in Neutral ¹⁷⁴Yb Atoms Confined to an Optical Lattice

March 3, 2006

Author(s)

Zeb Barber, C Hoyt, Christopher W. Oates, Leo W. Hollberg, A. V. Taichenachev, V. I. Yudin

We report direct single laser excitation of the strictly forbidden (6s 2) 1S 0 –(6s6p) 3P 0 clock transition in the even 174Yb isotope confined to a 1-D optical...

Electrodeposition of (Fe,Co,Ni)xPt1-x films

March 3, 2006

Author(s)

J Mallett, Erik B. Svedberg, William F. Egelhoff Jr., Thomas P. Moffat

Top-down standards will not serve systems biology

March 2, 2006

Author(s)

Marc L. Salit

Effects of Steel and Tungsten Carbide Ball Indenters on Rockwell Hardness Measurements

March 1, 2006

Author(s)

Li Ma, Samuel R. Low III, J L. Fink

The Rockwell hardness (HR) test is a valuable and widely used indentation hardness test for evaluating mechanical properties of metallic materials. For the...

Sampling-Oscilloscope Measurement of a Microwave Mixer With Single-Digit Phase Accuracy

March 1, 2006

Author(s)

Dylan F. Williams, Hassen Khenissi, Fabien Ndagijimana, Catherine A. Remley, Joel Dunsmore, Paul D. Hale, Jack Wang, Tracy S. Clement

We describe a straightforward method of separately characterizing up-conversion and down-conversion in microwave mixers with a sampling oscilloscope. The method...

Analysis of Charpy impact verification data: 1993-2003

March 1, 2006

Author(s)

Jolene D. Splett, Christopher N. McCowan

Indirect verification tests, used to verify the performance of Charpy impact machines according to ASTM Standard E23, are evaluated by the National Institute of...

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