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Conferences

Micro Cryogenic Coolers for IR Imaging

April 29, 2011

Author(s)

Ryan J. Lewis, Yunda Wang, Jill Cooper, Mu Hong Lin, Victor M. Bright, Yung-Cheng Lee, Peter E. Bradley, Ray Radebaugh, Marcia L. Huber

Joule-Thomson micro cryogenic coolers (MCCs) are a preferred approach for small and low power cryocoolers. With the same heat lift, MCC's power input can be...

Preliminary Investigation of Polarization Effects During Metal Cutting

April 28, 2011

Author(s)

Eric P. Whitenton

Under certain conditions, the polarization state of infrared light emitted by metal changes when the metal is strained. During cutting, metal is severely...

Toward Privacy Standards Based on Empirical Studies

April 28, 2011

Author(s)

Serge M. Egelman, Erika McCallister

In this paper, we argue that if privacy standards are created to guide do-not-track technologies, it is imperative that these standards are created with the...

Frequency Up-conversion Single Photon Detectors for Quantum Communication Systems

April 27, 2011

Author(s)

Lijun Ma, Oliver T. Slattery, Xiao Tang, Joshua Bienfang

Frequency up-conversion technology can be used to increase detection efficiency for near infrared photons, as has been demonstrated in fiber-based quantum...

The Use of Aerodynamic and Wind Climatological Databases for High-Rise Reinforced Concrete Structure Design

April 26, 2011

Author(s)

Dong Hun Yeo

Structural response due to directional wind must be taken into account rigorously and transparently in wind resistant design, particularly for tall buildings. A...

DEVELOPMENT OF LARGE DIRECTIONAL WIND SPEED DATABASES

April 25, 2011

Author(s)

DongHun Yeo

For structures sensitive to wind directionality, methods for the estimation of wind effects require the use of time series of directional wind speeds with...

Suitability of supercontinuum light near 2 υm for coherent dual comb spectroscopy

April 25, 2011

Author(s)

Kevin O. Knabe, Paul A. Williams, Nathan R. Newbury

We evaluate the signal-to-noise ratio penalty for dual comb spectroscopy caused by the excess optical phase noise and relative intensity noise on the long...

Combinatorial Screening of Osteoblast Response to 3D Nano-Composite Tissue Scaffolds Using Gradients and Arrays

April 24, 2011

Author(s)

Carl Simon, Kaushik Chatterjee, Limin Sun, Laurence C. Chow, Marian F. Young

Current methods for combinatorial and high-throughput (CHT) screening of cell-material interactions utilize a two-dimensional (2D) format where cells are...

Nanofiber Scaffolds Induce Morphological Changes in hBMSCs Critical for Osteogenic Differentiation

April 24, 2011

Author(s)

Carl Simon, Girish Kumar, Christopher K. Tison

Utilizing tissue scaffold architecture to induce stem cell differentiation is of tremendous importance to the regenerative medicine community. To this end, we...

NIST Reference Material Scaffolds Characterized for Cell Response

April 24, 2011

Author(s)

Carl Simon, Jeff M. Coles

Reference scaffolds characterized for cell response are being developed for use as a standard for biological characterization of new scaffolds. The need for...

Effect of 3D Scaffold Structure on Osteogenic Differentiation of Human Bone Marrow Stromal Cells

April 24, 2011

Author(s)

Carl Simon, Girish Kumar, Marian F. Young

Structural properties of polymeric scaffolds for tissue engineering play a key role in directing osteogenesis. These properties depend on the chemical nature...

Osteoblast Response to Protein Adsorption to 3D Polymer Scaffolds Through Pre-Ageing in Cell Medium

April 24, 2011

Author(s)

Carl Simon, Kaushik Chatterjee, Stevephen Hung

Protein adsorption mediates biological responses to materials. When a biodegradable polymer scaffold is placed in aqueous, physiological medium, proteins adsorb...

Improving the performance of the NIST five axis goniospectrometer for measurements of bidirectional reflectance distribution function

April 21, 2011

Author(s)

Vyacheslav B. Podobedov, Maria E. Nadal, Carl C. Miller

The five axis goniospectrometer at the National Institute of Standards and Technology (NIST) measures the spectral reflectance of colored samples over a wide...

Optical illumination optimization for patterned defect inspection

April 20, 2011

Author(s)

Bryan M. Barnes, Richard Quintanilha, Martin Y. Sohn, Hui Zhou, Richard M. Silver

Rapidly decreasing critical dimensions (CD) for semiconductor devices drive the study of improved methods for the detection of defects within patterned areas...

Mueller matrix ellipsometry of artificial non-periodic line edge roughness in presence of finite numerical aperture

April 20, 2011

Author(s)

Thomas A. Germer, Martin Foldyna, Brent Bergner

We used azimuthally-resolved spectroscopic Mueller matrix ellipsometry to study a periodic silicon line structure with and without artificially-generated line...

Mueller matrix bidirectional reflectance distribution function measurements and modeling of diffuse reflectance standards

April 20, 2011

Author(s)

Thomas A. Germer, Heather J. Patrick

We measure the Mueller matrix bidirectional reflectance distribution function (BRDF) of pressed and sintered powdered polytetrafluoroethylene (PTFE) reflectance...

Nested Uncertainties and Hybrid Metrology to Improve Measurement Accuracy

April 18, 2011

Author(s)

Richard M. Silver, Nien F. Zhang, Bryan M. Barnes, Hui Zhou, Jing Qin, Ronald G. Dixson

In this paper we present a method to combine measurement techniques that reduce uncertainties and improve measurement throughput. The approach has immediate...

TSOM Method for Semiconductor Metrology

April 18, 2011

Author(s)

Ravikiran Attota, Ronald G. Dixson, John A. Kramar, James E. Potzick, Andras Vladar, Benjamin D. Bunday, Erik Novak, Andrew C. Rudack

Through-focus scanning optical microscopy (TSOM) is a new metrology method that achieves 3D nanoscale measurement resolution using conventional optical...

Development of Probe Free Mapping of Cell Viability in Hydrogels

April 16, 2011

Author(s)

Joy P. Dunkers, Kaushik Chatterjee, Carl G. Simon Jr.

Diffusion of oxygen in cell/scaffold construct interior is of critical importance to cell viability in constructs of clinically relevant sizes. It has been...

Reference Modulation for Calibrated Measurements of Tag Backscatter

April 14, 2011

Author(s)

Daniel Kuester, David R. Novotny, Jeffrey Guerrieri, Randy Direen, Zoya Popovic

We present a model and reference backscatter device for calibrating measurements of 860-960 MHz Ultra-High Fre- quency (UHF) tag backscattering. The model...

SHREC11 Track: Generic Shape Retrieval

April 14, 2011

Author(s)

Helin Dutagaci, Afzal A. Godil

In this paper we present the results of the 3D Shape Retrieval Contest 2011 (SHREC11) track on generic shape retrieval. The aim of this track is to evaluate...

A Feature-preserved Canonical Form for Non-rigid 3D Meshes

April 14, 2011

Author(s)

Zhouhui Lian, Afzal A. Godil

Measuring the dissimilarity between non-rigid objects is a challenging problem in 3D shape retrieval. One potential solution is to construct the models 3D...

Load Combination Requirements in ASCE Standard 7-10: New Developments

April 14, 2011

Author(s)

Therese P. McAllister, Bruce Ellingwood

The fundamental load combination requirements for strength design (or load and resistance factor design) appearing in Section 2.3 of ASCE Standard 7-10 advance...

Online Monitoring of Tissue-Engineered Cartilage Development in a Dynamic Compression Bioreactor

April 13, 2011

Author(s)

Jenni R. Popp, Justine Roberts, Stephanie Bryant, Timothy P. Quinn

Nonlinear Dynamic Analysis of Structures Using Modal Superposition

April 13, 2011

Author(s)

Kevin K F Wong

A fast nonlinear dynamic analysis algorithm based on modal superposition of structural response incorporating both material and geometric nonlinearities is...

MODELING OF U.S. CORN ETHANOL INDUSTRIAL GROWTH

April 13, 2011

Author(s)

Deogratias Kibira, Guodong Shao, Stephen Nowak

The production capacity of corn ethanol as a transportation fuel is experiencing rapid growth in the United States. The demand is driven by increased prices of...

A New Interface Defect Spectroscopy Method

April 12, 2011

Author(s)

Jason Ryan, Liangchun (. Yu, Jae Han, Joseph J. Kopanski, Kin Cheung, Fei Zhang, C Wang, Jason Campbell, John S. Suehle, Vinayak Tilak, Jody Fronheiser

A new interface defect spectroscopy method based on variable height charge pumping capable of observing the amphoteric nature of Si/SiO2 interface states in...

A New Interface Defect Spectroscopy Method

April 11, 2011

Author(s)

Jason Ryan, Liangchun (. Yu, Jae Han, Joseph J. Kopanski, Kin Cheung, Fei Zhang, Chen Wang, Jason Campbell, John S. Suehle, Viniyak Tilak, Jody Fronheiser

A new interface defect spectroscopy method based on variable height charge pumping capable of observing the amphoteric nature of Si/SiO2 interface states in...

Electromigration of Cu Interconnects Under AC, Pulsed-DC and DC Test Conditions - Ramifications on Accelerated Testing

April 10, 2011

Author(s)

Robert R. Keller, David T. Read, Roey Shaviv, Greg Harm, Sangita Kumari

Electromigration (EM) of a dual damascene, single-via fed, test vehicle was measured using DC, AC followed by DC, and three rectangular-wave DC stressing...

Evaluation of 3D Interest Point Detection Techniques

April 7, 2011

Author(s)

Helin Dutagaci, Chun Pan (Benny) Cheung, Afzal A. Godil

In this paper, we compare the results of five 3D interest point detection techniques to the interest points marked by human subjects. This comparison is used to...

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