1349 lines
93 KiB
Text
1349 lines
93 KiB
Text
<!DOCTYPE html>
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<html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# ">
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<head>
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about="/news-events/news/2025/02/spotlight-edward-garboczi-and-ann-chiaramonti-debay-analyzed-14000-moon" typeof="schema:Article" class="nist-teaser"
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>
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<header>
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<h3 class="nist-teaser__title"><a href="/news-events/news/2025/02/spotlight-edward-garboczi-and-ann-chiaramonti-debay-analyzed-14000-moon"><span property="schema:name">Spotlight: Edward Garboczi and Ann Chiaramonti Debay Analyzed 14,000 Moon Dust Particles</span>
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</a></h3>
|
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<div class="nist-teaser__date">
|
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<div class="daterange"><time datetime="2025-02-27T12:00:00Z">February 27, 2025</time>
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</div>
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</header>
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<div class="nist-teaser__content">
|
||
<div property="schema:text" class="text-with-summary"> Having such precise models of lunar dust will enable NASA and private space exploration companies to create more accurate simulations of the Moon’s surface.
|
||
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|
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<article
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about="/news-events/news/2024/12/nist-offers-new-calibration-service-wavemeters" typeof="schema:Article" class="nist-teaser"
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>
|
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<div class="nist-teaser__image">
|
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<div class="entity-reference"> <a href="/news-events/news/2024/12/nist-offers-new-calibration-service-wavemeters" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2024/12/23/wavemeter%20image%20of%20Costa%20Rican%20metrologist.jpg?itok=R6qlmZup" width="100" height="75" alt="Johnny Jiménez" typeof="foaf:Image" />
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</a>
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</div>
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<div class="nist-teaser__content-wrapper">
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<header>
|
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<h3 class="nist-teaser__title"><a href="/news-events/news/2024/12/nist-offers-new-calibration-service-wavemeters"><span property="schema:name">NIST Offers New Calibration Service for Wavemeters</span>
|
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</a></h3>
|
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<div class="nist-teaser__date">
|
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<div class="daterange"><time datetime="2024-12-23T12:00:00Z">December 23, 2024</time>
|
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</div>
|
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</div>
|
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</header>
|
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<div class="nist-teaser__content">
|
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<div property="schema:text" class="text-with-summary"> For more than three decades, the National Institute of Standards and Technology (NIST) has calibrated the wavelengths of lasers used in industry, academia, and
|
||
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</div>
|
||
|
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</div>
|
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</div>
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|
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|
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<div>
|
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<article
|
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about="/news-events/news/2022/09/back-future-gear-edition" typeof="schema:Article" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__image">
|
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<div class="entity-reference"> <a href="/news-events/news/2022/09/back-future-gear-edition" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2022/09/12/little-artifact.png?itok=r2BeSkUN" width="100" height="63" alt="artifact" typeof="foaf:Image" />
|
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|
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</a>
|
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</div>
|
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</div>
|
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<div class="nist-teaser__content-wrapper">
|
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<header>
|
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<h3 class="nist-teaser__title"><a href="/news-events/news/2022/09/back-future-gear-edition"><span property="schema:name">Back to the Future: Gear Edition</span>
|
||
</a></h3>
|
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<div class="nist-teaser__date">
|
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<div class="daterange"><time datetime="2022-09-12T12:00:00Z">September 12, 2022</time>
|
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</div>
|
||
|
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</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div property="schema:text" class="text-with-summary"> As mechanical objects, gears have been around for so long that people may take them for granted. But gears are sophisticated parts that play a vital role in
|
||
|
||
</div>
|
||
|
||
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|
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|
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<article
|
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about="/news-events/events/2025/03/workshop-advancing-uv-germicidal-efficacy-measurement-metrology-standards" class="nist-teaser"
|
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>
|
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<div class="nist-teaser__image">
|
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<div class="entity-reference"> <a href="/news-events/events/2025/03/workshop-advancing-uv-germicidal-efficacy-measurement-metrology-standards" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2025/01/16/NEW%20UV%20Germicidal%20Img.png?itok=jsgg-PUs" width="100" height="84" alt="Abstract blue image Advancing UV Germicidal Efficacy Measurement: Metrology, Standards, Data and Protocols " typeof="foaf:Image" />
|
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|
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<h3 class="nist-teaser__title"><a href="/news-events/events/2025/03/workshop-advancing-uv-germicidal-efficacy-measurement-metrology-standards"><span>Workshop: Advancing UV Germicidal Efficacy Measurement: Metrology, Standards, Data and Protocols</span>
|
||
</a></h3>
|
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<div class="nist-teaser__date">
|
||
<div class="smartdate">Tue, Mar 18 - Thu, Mar 20 2025</div>
|
||
|
||
</div>
|
||
|
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</header>
|
||
<div class="nist-teaser__content">
|
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<div class="text-with-summary"> The U.S. Department of Commerce, National Institute of Standards and Technology (NIST) and the International Ultraviolet
|
||
|
||
</div>
|
||
|
||
</div>
|
||
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|
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|
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|
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<h2 class="nist-block__title"> <div class="string">Projects and Programs</div>
|
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</h2>
|
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<div
|
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class="nist-block "
|
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>
|
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||
|
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|
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|
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<div>
|
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<article
|
||
about="/programs-projects/microplastic-and-nanoplastic-metrology" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/programs-projects/microplastic-and-nanoplastic-metrology"><span>Microplastic and Nanoplastic Metrology</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> The Micro and Nanoplastic (MNP) Metrology Project aims to develop a toolbox of methods for size-based separations from complex matrices, chemical characterization protocols, and test materials necessary to enable quantification of micro- and nano-sized plastic particles, a need articulated by our
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
</div>
|
||
<div>
|
||
<article
|
||
about="/programs-projects/si-length-and-traceability" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__image">
|
||
<div class="entity-reference"> <a href="/programs-projects/si-length-and-traceability" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/pml/div683/grp01/block_1.jpg?itok=ogabrRVu" width="100" height="86" alt="block" typeof="foaf:Image" />
|
||
|
||
</a>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/programs-projects/si-length-and-traceability"><span>SI Length and Traceability</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Laser interferometry, which measures distances in terms of light wavelength, provides the backbone of top-level length metrology in industry and science. This project develops techniques to facilitate the tie between interferometer-based length measurements and the SI definition of length (in terms
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
</div>
|
||
<div>
|
||
<article
|
||
about="/programs-projects/diffraction-metrology-and-standards" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__image">
|
||
<div class="entity-reference"> <a href="/programs-projects/diffraction-metrology-and-standards" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2016/09/06/dscn7291.jpg?itok=98ZJAuTx" width="100" height="100" alt="Picture of PBD set up for wavelength measurement" typeof="foaf:Image" />
|
||
|
||
</a>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/programs-projects/diffraction-metrology-and-standards"><span>Diffraction Metrology and Standards</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Diffraction techniques can provide data on a number of sample characteristics. Therefore, the method of certification and the artifact itself are chosen to address a specific measurement issue pertinent to a diffraction experiment. NIST diffraction SRMs may be divided into five groups: Line Position
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
</div>
|
||
<div>
|
||
<article
|
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about="/programs-projects/additive-manufacturing-part-qualification" class="nist-teaser"
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>
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<div class="nist-teaser__content-wrapper">
|
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<header>
|
||
<h3 class="nist-teaser__title"><a href="/programs-projects/additive-manufacturing-part-qualification"><span>Additive Manufacturing Part Qualification</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-badge display-inline-block margin-y-1 nist-badge--green boolean">Completed</div>
|
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|
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</div>
|
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|
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</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Objective To develop and deploy test methods and protocols, standard test artifacts, exemplar data, data processing tools, and automation tools that create robust post-process measurements and non-destructive testing to enable qualification of AM parts by manufacturers. What is the Problem? To
|
||
|
||
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|
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<h2 class="nist-block__title"> <div class="string">Publications</div>
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class="nist-block "
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>
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<article
|
||
about="/publications/x-ray-computed-tomography-flaw-phantom-development-stepper-photolithography-and-deep" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/publications/x-ray-computed-tomography-flaw-phantom-development-stepper-photolithography-and-deep"><span>X-ray computed tomography flaw phantom development: stepper photolithography and deep reactive ion etching: Fabrication and reference measurements</span>
|
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</a></h3>
|
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<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2025-02-18T12:00:00Z">February 18, 2025</time>
|
||
</div>
|
||
|
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</div>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-field nist-field--label-inline text-long">
|
||
<div class="nist-field__label">Author(s)</div>
|
||
<div class="nist-field__item"><span class="nist-author">Felix Kim</span>, <span class="nist-author">Sarah Robinson</span>, <span class="nist-author">Nikolai Klimov</span>, <span class="nist-author">John Henry J. Scott</span></div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Stepper photolithography combined with deep reactive ion etching was used to generate controlled flaws to assess X-ray computed tomography (XCT) flaw
|
||
|
||
</div>
|
||
|
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</div>
|
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|
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|
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<article
|
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about="/publications/role-median-curves-and-surfaces-and-their-computations-coordinate-metrology" class="nist-teaser"
|
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>
|
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<div class="nist-teaser__content-wrapper">
|
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<header>
|
||
<h3 class="nist-teaser__title"><a href="/publications/role-median-curves-and-surfaces-and-their-computations-coordinate-metrology"><span>ROLE OF MEDIAN CURVES AND SURFACES AND THEIR COMPUTATIONS IN COORDINATE METROLOGY</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2024-11-15T12:00:00Z">November 15, 2024</time>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-field nist-field--label-inline text-long">
|
||
<div class="nist-field__label">Author(s)</div>
|
||
<div class="nist-field__item"><span class="nist-author">Craig Shakarji</span>, Kexin Yin, Qunfen Qi, Edward Morse, <span class="nist-author">Vijay Srinivasan</span></div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> This paper explores a novel role for median curves and surfaces in coordinate metrology, and the techniques to compute these curves and surfaces. The role
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
|
||
</div>
|
||
<div>
|
||
<article
|
||
about="/publications/conversion-piston-cylinder-dimensional-dataset-effective-area-mechanical-pressure" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/publications/conversion-piston-cylinder-dimensional-dataset-effective-area-mechanical-pressure"><span>Conversion of a piston--cylinder dimensional dataset to the effective area of a mechanical pressure generator</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2024-10-07T12:00:00Z">October 7, 2024</time>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-field nist-field--label-inline text-long">
|
||
<div class="nist-field__label">Author(s)</div>
|
||
<div class="nist-field__item"><span class="nist-author">Patrick Egan</span>, <span class="nist-author">Eric S. Stanfield</span>, <span class="nist-author">John R. Stoup</span>, <span class="nist-author">Christopher W. Meyer</span></div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Recent developments in diameter metrology at NIST have improved the dimensional characterization of piston–cylinder assemblies (PCAs) to unprecedented precision
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
|
||
</div>
|
||
<div>
|
||
<article
|
||
about="/publications/expansivity-fused-quartz-glass-measured-within-6-x-10-10-k-1" class="nist-teaser"
|
||
>
|
||
<div class="nist-teaser__content-wrapper">
|
||
<header>
|
||
<h3 class="nist-teaser__title"><a href="/publications/expansivity-fused-quartz-glass-measured-within-6-x-10-10-k-1"><span>Expansivity of fused quartz glass measured within 6 x 10^-10 K^-1</span>
|
||
</a></h3>
|
||
<div class="nist-teaser__date">
|
||
<div class="daterange"><time datetime="2024-09-11T12:00:00Z">September 11, 2024</time>
|
||
</div>
|
||
|
||
</div>
|
||
<div class="nist-teaser__type">
|
||
<div class="nist-field nist-field--label-inline text-long">
|
||
<div class="nist-field__label">Author(s)</div>
|
||
<div class="nist-field__item"><span class="nist-author">Patrick Egan</span></div>
|
||
</div>
|
||
|
||
</div>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> A method is described to measure the thermal expansion coefficient of fused quartz glass. The measurement principle is to monitor the change in resonance
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
|
||
</div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
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|
||
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|
||
</div>
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|
||
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|
||
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||
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|
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|
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|
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<h2 class="nist-block__title"> <div class="string">Tools and Instruments</div>
|
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|
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class="nist-block "
|
||
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|
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|
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|
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|
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|
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|
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|
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|
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about="/laboratories/tools-instruments/laser-doppler-vibrometer-microscope" class="nist-teaser"
|
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>
|
||
<div class="nist-teaser__image">
|
||
<div class="entity-reference"> <a href="/laboratories/tools-instruments/laser-doppler-vibrometer-microscope" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/04/28/2010_LDV_DSC_3184.jpg?itok=H84pvKTh" width="100" height="84" alt="Laser Doppler Vibrometer located in 218/D012 (Group 643.09)" typeof="foaf:Image" />
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|
||
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|
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<header>
|
||
<h3 class="nist-teaser__title"><a href="/laboratories/tools-instruments/laser-doppler-vibrometer-microscope"><span>Laser Doppler Vibrometer Microscope</span>
|
||
</a></h3>
|
||
|
||
</header>
|
||
<div class="nist-teaser__content">
|
||
<div class="text-with-summary"> Since 2006, the Nanomechanical Properties Group has pioneered the use of Laser Doppler Vibrometry (LDV) to calibrate the stiffness of AFM cantilevers using the
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
</article>
|
||
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|
||
<div>
|
||
|
||
<article
|
||
about="/laboratories/tools-instruments/precision-imaging-facility" class="nist-teaser"
|
||
>
|
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<div class="nist-teaser__image">
|
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<div class="entity-reference"> <a href="/laboratories/tools-instruments/precision-imaging-facility" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2018/04/17/pifintrofig.png?itok=1bJjDrE0" width="61" height="100" alt="Examples of work in the Precision Imaging Facility. (a) STEM image of a crack (dislocation) formed during growth of an AlGaN shell around a GaN nanowire, and (b) FIB fabrication of an AFM tip with a GaN nanowire contact point." typeof="foaf:Image" />
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|
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|
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<h3 class="nist-teaser__title"><a href="/laboratories/tools-instruments/precision-imaging-facility"><span>Precision Imaging Facility</span>
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|
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|
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<div class="nist-teaser__content">
|
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<div class="text-with-summary"> The Precision Imaging Facility (PIF) is a cooperative research facility at the National Institute of Standards and Technology (NIST) dedicated to the
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