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Here we employ an analytical electron scattering model to show that the decrease in ADF t-SEM contrast of gold nanoparticles on carbon films is consistent with...
Robust geometry and tolerance representations are needed in additive manufacturing for precise part specification and interoperability with downstream...
Erdem Coskun, Pawel Jaruga, Leona D. Scanlan, Alessandro Tona, Mark S. Lowenthal, Prasad T. Reddy, M Miral Dizdar, Ann-Sofie Jemth, Olga Loseva, Thomas Helleday
Accurate measurement of DNA repair proteins in cancer tissues is becoming more important due to the individual and origin based expression differences in cancer...
Steven W. Brown, Mark A. Schwarz, Craig J. Kent, Robert Bousquet
This work describes the development of an improved vacuum compatible flat plate radiometric source used for characterizing and calibrating remote optical...
Random numbers are essential for cryptography. In most real-world systems, these values come from a cryptographic pseudorandom number generator (PRNG), which in...
Design rules in additive manufacturing (AM) can help ensure manufacturability, which can be viewed as compatibility between designs and the fabrication...
Alvin F. Martin, Craig S. Greenberg, John M. Howard, Desire Banse, G R. Doddington, Jaime Hernandez-Cordero, Lisa Mason
We discuss two NIST coordinated evaluations of automatic language recognition technology planned for calendar year 2015 along with possible additional plans for...
Desire Banse, G R. Doddington, Craig Greenberg, John M. Howard, Alvin F. Martin, Daniel Garcia-Romero, John J. Godfrey, Jaime Hernandez-Cordero, Lisa Mason, Alan McCree, Douglas A. Reynolds
In late 2013 and 2014, the National Institute of Standards and Technology (NIST) coordinated an i-vector challenge utilizing data from previous NIST Speaker...
For many shape analysis problems in computer vision and scientific imaging (e.g., computational anatomy, morphological cytometry), the ability to align two...
Martin Y. Sohn, Bryan M. Barnes, Hui Zhou, Richard M. Silver
Optical microscope tool characterization has been investigated for the quantitative measurements of deep sub-wavelength features using a Fourier plane...
There is a growing interest in the science and user community in the Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) low light detection...
George P. Eppeldauer, Thomas C. Larason, Robert E. Vest, Uwe Arp, Howard W. Yoon
Since the CIE standardized rectangular-shape spectral response function for the 320 nm to 400 nm wavelength range can be realized only with large spectral...
George P. Eppeldauer, Thomas C. Larason, Howard W. Yoon
Traditionally used source spectral-distribution or detector spectral-response based standards cannot be applied for accurate UV LED measurements. Since the CIE...
Service-oriented manufacturing systems need to be supported by formal reference models for effective service description, discovery, and composition. A...
Aric W. Sanders, Jaevyn Faulk, Devin T. Edwards, Thomas T. Perkins
In addition to providing the ability to image on the nanoscale, atomic force microscopy (AFM) has the ability to measure small (pN) forces at a single point...
We report the implementation of a swept-sine dynamic force calibration system at NIST. This system is designed to perform primary calibration of force...
Dynamic calibration of force transducers using sinusoidal acceleration of load mass objects requires the accurate determination of the displacement field in...
Winnie K. Wong-Ng, Josef Matyas, Tatsuki Ohji, Kanakala Raghunath, Gary Pickrell
The Materials Science and Technology 2014 Conference and Exhibition (MS&T14) was held October 12-16, 2014 at the David L. Lawrence Convention Center...
Automobiles are incorporating more and more electronics from various industry sectors that have not been optimally designed for use inside the vehicle passenger...
Oliver T. Slattery, Lijun Ma, Paulina S. Kuo, Xiao Tang
Spontaneous parametric down-conversion (SPDC) is a common method to generate entangled photon pairs for use in quantum communications. The generated single...
Corey A. Stambaugh, Edward C. Mulhern, Eric C. Benck, Zeina J. Kubarych, Patrick J. Abbott
The redefined kilogram will be realized in vacuum and a method will be required to disseminate the standard to air. NIST has been developing a magnetic...
Along with economic and convenience benefits, interconnectivity also brings potential risks and drawbacks. System designers and operators are faced with problem...
Jay H. Hendricks, Jacob E. Ricker, Jack A. Stone Jr., Patrick F. Egan, Gregory E. Scace, Gregory F. Strouse, Douglas A. Olson, Donavon Gerty
The future of pressure and vacuum measurement will rely on lasers and Fabry-Perot optical cavities, and will be based on fundamental physics of light...
Document and physical standards play a vital role in security applications. Standards allow setting common measurement units, physical quantities and...
Among cellular structures, the genome is particularly prone to damage, which can result from spontaneous reactions, replication linked failures, or oxidative...
Thomas E. Lipe, Joseph R. Kinard Jr., Yi-hua Tang, Samuel P. Benz, Charles J. Burroughs, Paul D. Dresselhaus
We report on the use of a quantum-based AC voltage standard for ac-dc difference metrology at the National Institute of Standards and Technology (NIST). The...
Lijun Ma, Oliver T. Slattery, Paulina S. Kuo, Xiao Tang
Quantum memory is a key device in the implementation of quantum repeaters for quantum communications and quantum networks. We demonstrated a quantum memory...
Linear mixtures of materials in a scene often occur because the pixel size of a sensor is relatively large and consequently they contain patches of different...
James R. Matey, George W. Quinn, Patrick J. Grother, Elham Tabassi, Craig I. Watson, James L. Wayman
We present practical recommendations for improving the clarity, transparency, and usefulness of many biometric papers. Several of the recommendations can be...