NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Raghu N. Kacker, Linbin Yu, Yu Lei, David R. Kuhn, Ram D. Sriram, Kevin G. Brady
ISO/IEEE 11073 Personal Health Data (IEEE 11073 PHD) is a set of standards that addresses the interoperability of personal healthcare devices. As an important
Jason T. Ryan, Jason P. Campbell, Kin P. Cheung, John S. Suehle, Richard Southwick, Anthony Oates
We demonstrate a new charge pumping (CP) methodology, frequency modulated CP (FMCP), that robustly treats metrology challenges associated with high gate leakage
High-accuracy comparison standards for Al mole fraction x in AlxGa1xAs have been available at NIST since 2006 via the Standard Reference Material (SRM) program
Alessandro Restelli, Joshua C. Bienfang, Alan L. Migdall
We present an InGaAs/InP single-photon detection system operating at 1.25 GHz with detection efficiency above 50 % and per-gate afterpulse probability, measured
While published literature of the optical properties of human skin is prevalent for the visible region, data are sparse in the ultra violet and shortwave
We present the quantum key distribution (QKD) secure key ratio expression in a form that exposes the parameters that affect the Reconciliation (error correction
Chukwudi A. Okoro, Yaw S. Obeng, Jan Obrzut, Pavel Kabos, Klaus Hummler
In this work, we used radio frequency (RF) based measurement technique is used as a prognostic tool for the assessment of the effect of thermal cycling on the
Chukwudi A. Okoro, Lyle E. Levine, Oleg A. Kirillov, Yaw S. Obeng, Ruqing Xu, Jonathan Z. Tischler, Wenjun Liu, Klaus Hummler
We report the first non-destructive, depth resolved determination of the full stress tensor in Cu through-silicon vias (TSVs), using synchrotron based micro
Dynamic resource sharing has both positive and negative effects on the system performance. Current research mostly concentrates on the positive effect resulting
Gale A. Holmes, Jae Hyun Kim, Nathanael A. Heckert, Walter G. McDonough, Stefan D. Leigh, Kirk D. Rice
The use of advanced fibers in applications where they are subjected to extremely energetic events has necessitated the need to develop measurement tools that
The intrinsic instability of silver nanoparticles (AgNPs) is a substantial challenge to achieving stable long-term storage for on-demand use of AgNPs. Here, a
John G. Hagedorn, Kamran Sayrafian, Judith E. Terrill
Recent advances in micro-electronics technology to build small radio-enabled implantable and wearable medical sensors have sparked considerable interest in
David W. Allen, Ronald G. Resmini, Christopher Deloye
Assessing the ability of a hyperspectral imaging (HSI) system to detect the presence of a substance or to quantify abundance requires an understanding of the
Jingyu Liu, Karen E. Murphy, Robert I. MacCuspie, Michael R. Winchester
Inductively coupled plasma mass spectrometry (ICP-MS) operated in single particle mode is an attractive analytical tool capable of both sizing and counting
Mauro Zammarano, Rick D. Davis, Yeon S. Kim, Richard H. Harris Jr., Marc R. Nyden, Jeffrey W. Gilman, Nasir M. Uddin
Nanoparticles can effectively reduce polymer flammability; however, the impact of nanoparticles on environmental and health safety is still unclear. The purpose
Justin M. Gorham, Tinh Nguyen, Deborah S. Jacobs, Coralie Bernard, Richard D. Holbrook
Silica nanoparticles (SiNPs) incorporated into a polymeric matrix, or silica nanocomposites (SiNCs), are used in a wide variety of commercially available
Chiara F. Ferraris, Nicos Martys, William L. George
Rheometers are used to determine the rheological properties of materials ranging from mayonnaise to concrete. While rotational rheometers are routinely used for
Elijah J. Petersen, Xiaomin X. Tu, M Miral Dizdar, Ming Zheng, Bryant C. Nelson
Ultrasonication is a physical process known to generate abundant levels of oxygen-derived species such as hydroxyl radicals, hydrogen atoms, and hydrogen
Elijah J. Petersen, Bryce Marquis, Pawel Jaruga, M Miral Dizdar, Bryant C. Nelson
Hyphenated mass spectrometry techniques have been employed as one of the primary analytical tools for investigating the effects of ionizing radiation, chemical
How is the calibration of a micrometer using gage blocks different from using a micrometer to calibrate gage blocks? In the measurement community there seems to
Theodore D. Doiron, Wei Ren, Eric S. Stanfield, Balasubramanian Muralikrishnan, Christopher J. Blackburn
The capabilities of non-contact laser spot triangulation sensors for high accuracy measurements have slowly increased over the past decade, and now have usable
The design and application of a novel, focused solar simulator based on a high-power, super-continuum laser is described. We used the simulator to create
Nathan R. Newbury, Esther Baumann, Ian R. Coddington, Fabrizio R. Giorgetta, Greg B. Rieker, Laura C. Sinclair, William C. Swann, Alexander M. Zolot
Frequency combs have enabled a wide range of applications because of their unique combination of coherence and broad bandwidth. The comb provides 100,000's of
Wyatt N. Vreeland, Renee R. Hood, Eric Kendall, Mariana Junqueira, Julia Finkel, Don L. DeVoe
Topical anesthesia has the ability to provide painless application of pain management medications for minor procedures such as venipuncture, particularly in the
Darwin R. Reyes-Hernandez, Michael W. Halter, Jeeseong Hwang
New metrology tools to measure the critical parameters of internal structures in lab on a chip devices are greatly needed in order to develop standard tests for
Jae Hyun Kim, Nathanael A. Heckert, Walter G. McDonough, Kirk D. Rice, Gale A. Holmes
The Kolsky bar test has been widely used in measuring material response under high strain rate conditions. Initial experiments in the literature applying this
The initial thermal conductivity measurements from a guarded hot plate apparatus using multiple line-heat sources are presented for specimens of high-density
An approach for establishing metrological traceability for measurement results from guarded-hot-plate apparatus consistent with policy at the National Institute
As the National Metrology Institute (NMI) for the United States, NIST, formerly the National Bureau of Standards, has provided measurement services, both