AAMI | Association for the Advancement of Medical Instrumentation |
AAPM | American Association of Physicists in Medicine |
ACR (ACRii) | Absolute Cryogenic Radiometer (second upgrade) |
ACS | American Chemical Society |
ACTS | Automated Computer Time Service |
ADCL | Accredited Dosimetry Calibration Laboratory |
ADMIT | Analytical Detection Methods for the Irradiation Treatment of foods |
AECL | Atomic Energy Canada Limited |
AEDC | Arnold Engineering Development Center |
AFB | Air Force Base |
AFGL | Air Force Geophysics Laboratory |
AFM | Atomic Force Microscope |
AFOSR | Air Force Office of Scientific Research |
AFPL | Air Force Phillips Laboratory |
AFRRI | Armed Forces Radiobiology Research Institute |
AI | Associative Ionization |
AIAA | American Institute for Aeronautics and Astronautics |
AIGER | American Industry Government Emissions Research Consortium |
AIP | American Institute of Physics |
ALG | Advanced Lithography Group |
AM | amplitude modulation |
AM1 | First Launch in the morning series of EOS platforms |
AMMAC | Mexican Metrology Association |
AMO | Atomic, Molecular and Optical |
AMS | Accelerator-Mass Spectrometry |
ANS | American Nuclear Society |
ANSI | American National Standards Institute |
ANSOM | Apertureless Near-Field Scanning Optical Microscopy |
ANVIS | Aviator Night Vision Imaging System |
APAS | Astrophysical, Planetary and Atmospheric Sciences |
APHIS | Animal and Plant Health Inspection Service |
APOMA | American Precision Optics Manufacturers Association |
APRF | Army Pulse Radiation Facility |
APS | American Physical Society or Advanced Photon Source |
APT | Annular Proton Telescope |
ARO | Army Research Office |
ARPES | Angle Resolved Photoelectron Spectroscopy |
ART | Algebraic Reconstruction Technique |
ASCA | Advanced Satellite for Cosmology & Astrophysics |
ASCA | Japan-NASA X-ray Satellite |
ASME | American Society for Mechanical Engineers |
ASSI | Airglow Solar Spectrometer Instrument |
ASTER | Advance Spaceborne Thermal Emission and Reflectance Radiometer |
ASET | Association of Super-advanced Electronics Technologies |
ASTM | American Society for Testing and Materials |
AT&T | Atlantic Telephone & Telegraph |
ATD | Above-Threshold Dissociation |
ATI | Above-Threshold Ionization |
ATLAS | Atmospheric Laboratory for Applications and Science |
ATP | Advanced Technology Program |
ATW | Accelerator Transmutation of Waste |
AURA | Association of Universities for Research in Astronomy |
AXAF | Advanced X-ray Astrophysical Facility |
AXAF-I | Imaging Advanced X-ray Astrophysical Facility |
AXAF-S | Spectroscopy Advanced X-ray Astrophysical Facility |
BARC | Bhabha Atomic Research Centre |
BB | Blackbody |
BB | Broad-bandwidth |
BBIR | Broad Band Infrared |
BBO | Beta-Barium Borate |
BBXRT | Broad-Band X-Ray Telescope |
BCC | Broadband Calibration Chamber |
BCS | Bardeen-Cooper-Schrieffer theory of superconductivity |
BCS | Bragg Crystal Spectrometer |
BEB | Binary-encounter-Bethe |
BEC | Bose-Einstein Condensation |
BED | Binary-encounter-dipole |
BEEM | Ballistic Electron Emission Spectroscopy |
BEV | Bundesamt für Eich- und Vermessungswesen, Vienna, Austria |
BFRL | Building & Fire Research Laboratory |
BGSM | Bowman Gray School of Medicine |
BIB | Blocked Impurity Band |
BIFL | Burst Integrated Fluorescence |
BIPM | Bureau International des Poids et Mesures |
BL | Beam Line at SURF-III |
BMDO | Ballistic Missile Defense Organization |
BNL | Brookhaven National Laboratory |
BNM | National Bureau of Metrology, France |
BOMAB | Bottle Manikin Absorber |
BRAN | Boulder Research and Administrative Network |
BRDF | Bidirectional Reflectance Distribution Function |
BSDF | Bidirectional Scattering Distribution Function |
BSS | Beta Secondary System |
BSS.2 | Beta-Particle Secondary Standards System |
BTI | Bubble Technology, Inc. |
BWO | Backward Wave Oscillator |
BXR | BMDO Transfer Radiometer |
CAD | Computer Aided Design |
CAM | Computer Aided Machining |
CAMOS | Committee on Atomic, Molecular and Optical Sciences |
CAO | Carlsbad Area Office |
CARB | Center for Advanced Research in Biotechnology |
CARS | Coherent Anti-Stokes Raman Spectroscopy |
CASS | Calibration Accuracy Support System |
CAST | Council of Agricultural Science and Technology |
CBNM | Central Bureau for Nuclear Measurements |
CCD | Charged Coupled Device |
CCDM | Consultative Committee for the Definition of the Meter |
CCDS | Consultative Committee for the Definition of the Second |
CCE | Consultative Committee on Electricity |
CCEMRI | Consultative Committee for Ionizing Radiations, CIPM |
CCG | Calibration Coordination Group |
CCP6 | Collaborative Computational Project 6 |
CCPR | Consultative Committee on Photometry and Radiometry |
CCRI | Comité Consultatif des Rayonnements Ionisants |
CCTF | Consultative Committee for Time and Frequency |
CDRH | Center for Devices and Radiological Health |
CEL | Correlated Emission Laser |
CEMRC | Carlsbad Environmental Monitoring Research Center |
CERES | Clouds and Earth's Radiant Energy System |
CFS | Constant-Final-State Spectroscopy |
CHEM-1 | Chemistry |
CIAQ | Committee on Indoor Air Quality |
CIE | Commission Internationale De L'Éclairage |
CIPM | International Committee of Weights and Measures, France |
CIRMS | Council on Ionizing Radiation Measurements and Standards |
CIRRPC | Committee on Interagency Radiation Research and Policy Coordination |
CIS | Constant-Initial-State Spectroscopy |
CMC | Calibration Measurement Capabilities |
CMR | Colossal Magnetoresistance |
CNIF | Californium Neutron Irradiation Facility |
CNRF | Cold Neutron Research Facility |
CODATA | Committee on Data for Science and Technology |
CORM | Council for Optical Radiation Measurements |
COSPAR | Committee on Space Research |
CPIC | International Physics Center, Elba |
CPT | conjugation, parity, and time |
CPU | Central Processing Unit |
CR | Cascaded Rectifier Accelerator |
CRADA | Cooperative Research and Development Agreement |
CRCPD | Conference of Radiation Control Program Directors |
CRDS | Cavity-Ring-Down Spectroscopy |
CRI | Cambridge Research Instrumentation |
CRP | Coordinated Research Program |
CRT | Cathode Ray Tube |
CRYRING | Electron Accelerator and Storage Ring Facility (Stockholm, Sweden) |
CSDA | Continuous-Slowing-Down Approximation |
CSEWG | Cross Section Evaluation Working Group |
CSI | Compton Scatter Imaging |
CSIC | Consejo Superior de Investigaciones Científicas |
CSIR | Council of Scientific and Industrial Research |
CSTL | Chemical Science and Technology Laboratory |
CT | Computed Tomographic |
CTI | Critical Technologies Institute |
CU | University of Colorado |
CVD | Chemical Vapor Deposition |
cw (CW) | continuous wave |
CXRO | Center for X-Ray Optics at Berkeley, CA |
CY | Calendar Year |
EBIS | Electron Beam Ion Source |
EBIT | Electron Beam Ion Trap |
ec | electron-capture |
ECP | Effective Core Potential |
ECPR | Electrically-Calibrated Pyroelectric Radiometer |
ECR | Electron Cyclotron Resonance |
ECRIS | Electron-Cyclotron-Resonance Ion Source |
ECS | Energy-Corrected-Sudden |
ECSED | Electronic Commerce in Scientific and Engineering Data |
EDX | Energy-Dispersive X-ray Analysis |
EEEL | Electronics & Electrical Engineering Laboratory |
EELS | Electron Energy Loss Spectroscopy |
EEO | Equal Employment Opportunity |
EEP | Einstein Equivalence Principle |
EM | Environmental Management |
ENEA | Ente per le Nuove Tecnologie, L'Energia E L'Ambiente |
ENDF | Evaluated Nuclear Data File |
ENDL | Evaluated Nuclear Data Library |
ENSDF | Evaluated Nuclear Structure Data File |
EOM | Electro-Optic Modulator |
EOS | Earth Observing System |
EPA | Environmental Protection Agency |
EPIC | Earth Polychromatic Imaging Camera |
ERATO | Exploratory Research for Advanced Technology Office |
EROS | Electric Resonance Optothermal Spectrometer |
ESA | European Space Agency |
ESB | Electrical Substitution Bolometer |
ESDIAD | Electron-Stimulated Desorption Ion Angular Distributions |
ESO | European Southern Observatory |
ESR | Experimental Storage Ring or Electrical Substitution Radiometer |
ESR | Electron Spin Resonance (EPR now preferred) |
ETI | Environmental Technology Initiative |
ETRAN | Monte Carlo computer code for Electrons and Photons through Extended Media |
EURADOS | European Radiation Dosimetry Group |
EURATOM | European Nuclear Energy Organization |
EUROMET | A European collaboration in measurement standards |
EUV | Extreme Ultraviolet |
EUVE | Extreme Ultraviolet Explorer |
EUVL-LLC | EUV Lithography - Limited Liability Corporation |
EXAFS | Edge X-ray Absorption Fine Structure |
FAA | Federal Aviation Administration |
FACSS | Federation of Analytical Chemistry and Spectroscopy Societies |
FAD | FASCAL Absolute Detector |
FARCAL | Facility for Advanced Radiometric Calibrations |
FASCAL | Facility for Automatic Spectroradiometric Calibrations |
FCCSET | Federal Coordinating Council Science, Engineering and Technology |
FCDC | Fundamental Constants Data Center |
FCPM | Fundamental Constants and Precision Measurements |
FDA | U.S. Food and Drug Administration |
FEA | Field-Emitter Array |
FED | Field-Emitter Display |
FEL | Free Electron Laser |
FEMA | Federal Emergency Management Agency |
FET | Field Effect Transistor |
FIMS | Fissionable Isotope Mass Standards |
FIR | Far Infrared |
FLIR | Forward Looking Infrared Radiometer |
FM | Frequency Modulation |
FNR | Ford Nuclear Reactor |
FOS | Faint Object Spectrograph |
FOV | Field of View |
FPC | Fullerene Production Chamber |
FR | Filtered Radiometer |
FRET | Fluorescence Resonant Energy Transfer |
FT | Fourier Transform |
FT-IRAS | Fourier Transform-Infrared Reflection Absorption Spectroscopy |
FTIR | Fourier Transform Infrared |
FTMS | Fourier Transform Microwave Spectroscopy |
FTMW | Fourier Transform Microwave |
FTS | Fourier Transform Spectroscopy |
FUSE | Far Ultraviolet Spectroscopic Explorer |
FUV | Far Ultraviolet |
FWHM | Full Width at Half Maximum |
FY | Fiscal Year |
HACR | High Accuracy Cryogenic Radiometer |
HALO | Hypersonic Aircraft Launch Option |
HBM | Hybrid Bilayer Membrane |
HCCD | Mono-deuterated Acetylene |
HDR | High Dose Rate |
HECT | High-Energy Computed Tomography |
HFIR | High Flux Isotope Reactor |
HID | High Intensity Discharge |
HIRDLS | High Resolution Dynamics Limb Sounder |
HPGe | High Purity Germanium |
HPLC | High Pressure Liquid Chromatographic |
HPS | Health Physics Society |
HPSSC | Health Physics Society Standards Committee |
HR3DCT | High Resolution 3-D Computed Tomography |
HRTS | High Resolution Telescope Spectrograph |
HSST | Heavy Section Steel Technology |
HST | Hubble Space Telescope |
HTBB | High-Temperature Black Body |
HTD | Heat Transfer Division |
HTS | High-Temperature Superconductivity |
HUT | Hopkins Ultraviolet Telescope |
HVL | Half-Value Layer |
IAEA | International Atomic Energy Agency |
IAG | International Association of Gravity |
IAU | International Astronomical Union |
IC | Integrated Circuit |
ICAMDATA | International Conference on Atomic and Molecular Data |
ICP | Inductively Coupled Plasma |
ICPEAC | International Conference on the Physics of Electronic and Atomic Collisions |
ICRM | International Committee for Radionuclide Metrology |
ICRP | International Commission on Radiological Protection |
ICRU | International Commission on Radiation Units and Measurements |
ID (id or i.d.) | inside diameter |
IDMS | Isotope Dilution Mass Spectrometry |
IEC | International Electrotechnical Commission |
IEEE | Institute of Electrical and Electronics Engineers |
IEN | Istituto Elettrotecnico Nazionale (Italy) |
IES | Illumination Engineering Society |
IESNA | Illumination Engineering Society of North America |
IGC | International Gravity Commission |
IHPRPTP | Integrated High Payoff Rocket Propulsion Technology Program |
ILL | Institut Laue Langevin |
ILS | International Laser Spectroscopy |
IMECE | International Mechanical Engineering Congress and Exposition
|
IMGC | Istituto di Metrologia "G. Colonnetti" (Italy) |
IMS | Institute for Molecular Science |
INDC | International Nuclear Data Committee |
INISO-TTC | Experimental Radiochromic Film |
INM | Institute National de Metrologie |
INMM | Institute for Nuclear Materials Management |
INMRI-ENEA | Istituto Nazionale di Metrologia delle Radiazioni Ionizzanti - Ente per le Nuove Tecnologie |
IPNS | Intense Pulsed Neutron Source |
IPSN | L'Institut de Protection et de Sûreté Nucléaire |
IPTS | International Practical Temperature Scale |
IQEC | International Quantum Electronics Conference |
IQI | Image Quality Indicators |
IR | Infrared |
IRAS | Infrared Astronomical Satellite or Infrared Reflection Absorption Spectroscopy |
IRB | Institutional Review Board |
IRDCF | Infrared Detector Calibration Facility |
IRMM | Institute of Reference Materials and Measurements |
ISCC | Inter-Society Color Council |
ISO | International Organization for Standardization |
ISP | International Specialty Products |
ISCC | Information System to Support Calibrations |
ISS | International Space Station |
ISSI | International Space Science Institute (Bern, Switzerland) |
ITAMP | International Meeting of Theory of Atomic and Molecular Physics |
ITL | Information Technology Laboratory |
ITEP | Institute for Theoretical and Experimental Physics |
ITER | International Thermonuclear Experimental Reactor |
ITS | International Temperature Scale |
ITU | International Telecommunication Union |
IUCr | International Union of Crystallography |
IUE | International Ultraviolet Explorer |
IVBT | Intravascular Brachytherapy |
IVR | Intramolecular Vibrational Relaxation |
IVR | Intramolecular Vibrational Redistribution |
IWG | Investigators Working Group |
LAGOS | Laser Gravitational-Wave Observatory in Space |
LAMPF | Los Alamos Meson Physics Facility |
LAMSCAL | Large Area Monochromatic Source for Calibrations |
LANL | Los Alamos National Laboratory |
LANSCE | Los Alamos Neutron Scattering Center |
LASP | Laboratory for Atmospheric and Space Physics, University of Colorado |
LBIR | Low Background Infrared Radiometry |
LBL | Lawrence Berkeley Laboratory |
LBRS | Low Background Reference System |
LCD | Liquid Crystal Display |
LCIF | Laser-Collision-Induced Fluorescence |
LED | Light Emitting Diode |
LEED | Low Energy Electron Diffraction |
LEI | Laser-Enhanced Ionization |
LET | Linear Energy Transfer |
LF | Low Frequency |
LIF | Laser Induced Fluorescence |
LIGO | Laser Interferometric Gravitational-Wave Observatory |
LISA | Laser Interferometer Space Antenna |
LLNL | Lawrence Livermore National Laboratory |
LMR | Laser Magnetic Resonance |
LMRI | Laboratoire de Mesure des Rayonnements Ionisants (France) |
LO | Laser Optics |
LORAN-C | A Radio Navigation System Operated by the U.S. Coast Guard |
LPM | Light-Particle Monitor |
LPRI | Laboratoire Primaire des Rayonnements Ionisants, Gif-sur-Yvette, France |
LPRT | Light-Pipe Radiation Thermometers |
LPTF | Laboratoire Primaire du Temps et des Fréquencies |
LS | Liquid Scintillation |
LSC | Liquid Scintillation Counting |
LTE | Local Thermodynamic Equilibrium |
LT | Low-Temperature |
LTEC | Lamp Testing Engineers Conference |
LTG | Low-Temperature Growth |
LVIS | Low Velocity Intense Source |
LWIR | Long Wave Infrared |
MARLAP | Multi-Agency Radiological Laboratory Procedures |
MARS | Multiple-Angle Reference System |
MBE | Molecular Beam Epitaxy |
MBIR | Medium Background Infrared Facility |
MBOS | Molecular-Beam Optothermal Spectrometer |
MCNP | Monte Carlo Neutron Photon (computer code) |
MCQDT | Multi Channel Quantum Defect Theory |
MCT | Mercury-cadmium-telluride |
MCU | Mobile Calibration Unit |
MDRF | Materials Dosimetry Reference Facility |
MEA | Materials Engineering Associates |
MEA | membrane electrode assembly |
MEDEA | Microelectronics Development for European Applications |
MEIBEL | Merged Electron-Ion Beam Energy Loss |
MEL | Manufacturing Engineering Laboratory |
MEMS | Micro Electro Mechanical Systems |
MET | Medium Energy Telescope |
MEVVA | Metal Vapor Vacuum Arc |
MIDAS | Modular Interactive Data Acquisition System |
MIL | Military |
MIM | Metal-Insulator-Metal (Diode) |
MIRD | Medical Internal Radiation Dose (committee) |
MIRF | Medical and Industrial Radiation Facility |
MISR | Multi-angle Imaging Spectroradiometer |
MIT | Massachusetts Institute of Technology |
MJD | Modified Julian Date |
MMI | Mallinckrodt Medical, Inc. |
MOBY | Marine Optical Buoy |
MOCVD | Metal Organic Chemical Vapor Deposition |
MODIL | Manufacturing Operations Development & Integration Laboratory |
MODIS | Moderate Resolution Imaging Spectrometer |
MOEMS | Micro Optp Electro Mechanical Systems |
MOKE | Magneto-Optical Kerr Effect |
MOPITT | Measurement of Pollution In The Troposphere |
MOS | Marine Optical System or Marine Optical Spectrograph |
MOSFET | Metal Oxide Semiconductor Field Effect Transistor |
MOT | Magneto Optical Trap |
MQDT | Multichannel Quantum Defect Theory |
MPD | Multiphoton Detector |
MPI | Multiphoton Ionization |
MPP | Multi-Pinned Phasing |
MQA | Measurement Quality Assurance |
MQDT | Multichannel Quantum Defect Theory |
MQSA | Mammography Quality Standards Act |
MRA | Mutual Recognition Arrangement |
MRI | Magnetic Resonance Imaging |
MRT | Minimal Resolvable Temperature |
MSEL | Materials Science and Engineering Laboratory |
MSX | Midcourse Space Experiment |
MTG | Methanol To Gasoline |
MURR | University of Missouri Research Reactor |
MW | Microwave |
NAMP | National Analytical Management Program |
NAMT | National Advanced Manufacturing Testbed |
NAPM | National Association of Photographic Manufacturers |
NAS | National Academy of Sciences |
NAS/NRC | National Academy of Sciences/National Research Council |
NASA | National Aeronautics and Space Administration |
NATO | North Atlantic Treaty Organization |
NBS | National Bureau of Standards, now NIST |
NBS-4 | Older Primary Frequency Standard (retains the NBS name) |
NBS-6 | Previous Primary Frequency Standard (retains the NBS name) |
NBSR | National Bureau of Standards' Reactor (retains the NBS name) |
NCAR | National Center for Atmospheric Research |
NCI | National Cancer Institute |
NCNR | NIST Center for Neutron Research |
NCRP | National Council on Radiation Protection and Measurements |
NCSCANS | National Steering Committee for the Advanced Neutron Source |
NCSL | National Conference of Standards Laboratories |
ND | Neutron Density |
NDT | Nondestructive Testing |
Nd:YAG | Neodymium: Yttrium-Aluminum-Garnet (YAG doped with Nd) |
NEANDC | Nuclear Energy Agency Nuclear Data Committee |
NEANSC | Nuclear Energy Agency Nuclear Science Committee |
NEC | Nippon Electric Corporation |
NED | Nuclear Effects Directorate |
NEI | Nuclear Energy Institute |
NELAC | National Environmental Laboratory Accreditation Conference |
NEOS | Newport Electro-Optic Systems |
NERI | Nuclear Energy Research Initiative
|
NESDIS | National Environmental Satellite Data and Information Service |
NEWRAD | New Radiometry |
NG6, NG-6 | Monochromatic Beam Line near the end of NG6 |
NG6M | Neutron Guide No. 6 |
NG7 | Neutron Guide No. 7 |
NGS | National Geological Society |
NICE-OHMS | Noise-Immune Cavity Enhanced Optical Heterodyne Molecular Spectroscopy |
NI&D | Nuclear Interactions and Dosimetry |
NIDR | National Institute of Dental Research |
NIF | National Ignition Facility |
NIH | National Institutes of Health |
NIM | Normal-Incidence Monochromator or National Instrumentation Methods |
NIOF | Neutron Interferometry and Optics Facility |
NIPDE | National Initiative for Product Data Exchange |
NIR | Near Infrared |
NIST | National Institute of Standards and Technology |
NIST-7 | Former NIST Primary Frequency Standard |
NIST-F1 | Current NIST Primary Frequency Standard |
NISTAR | NIST Advanced Radiometer |
NMI | National Metrology Institute or National Measurement Institute |
NML | National Measurement Laboratory (Japan) |
NMR | Nuclear Magnetic Resonance |
NMS | Natural Matrix Standard |
NOAA | National Oceanic and Atmospheric Administration |
NOAO | National Optical Astronomy Observatory |
NOBCChE | National Organization for the Professional Advancement of Black Chemists and Chemical Engineers |
NORA | Non-Overlapping Redundant Array |
NORAMET |
A North American regional collaboration in national measurement standards and services |
NPL | National Physical Laboratory (U.K.) |
NPOESS | National Polar-orbiting Operational Environmental Satellite |
NPSS | Nuclear and Plasma Sciences Society |
NRC | National Research Council |
NRC | Nuclear Regulatory Commission |
NRCC | National Research Council Canada |
NREL | National Renewable Energy Laboratory |
NRIP | NIST Radiochemistry Intercomparison Program |
NRL | Naval Research Laboratory |
NRLM | National Research Laboratory of Metrology (Japan) |
NRRS | Near Resonance Rayleigh Scattering |
NSA | National Security Agency |
NSBP | National Society of Black Physicists |
NSCANS | National Steering Committee for the Advanced Neutron Source |
NSF | National Science Foundation |
NSLS | National Synchrotron Light Source, Brookhaven National Laboratory |
NSOM | Near-Field Scanning Optical Microscopy |
NTSB | National Transportation Safety Board |
NVIS | Night Vision Imaging System |
NVLAP | National Voluntary Laboratory Accreditation Program |
OAI | Optical Associates, Inc. |
OCLI | Optical Cooling Laboratory Incorporated |
OD | Optical Density |
OE | Optical Engineering |
OFS | Österreichisches Forschungszentrum |
OIML | International Organization of Legal Metrology |
OMEGA | 24-Beam Laser Facility at Rochester |
OMH | National Office of Measures (Hungary) |
ONR | Office of Naval Research |
OPA | Optical Parametric Amplifier |
OPO | Optical Parametric Oscillator |
OPTCON | International conference sponsored by 3
agencies: Optical Society of America; Society of Photo-optical
Instrumentation Engineers; and Institute of Electrical and Electronics
Engineers |
ORM | Office of Radiation Measurement |
ORELA | Oak Ridge Electron Linear Accelerator |
ORNL | Oak Ridge National Laboratory |
OSA | Optical Society of America |
OSL | Optical Stimulated Luminescence |
OSRD | Office of Standard Reference Data |
OSTP | Office of Science and Technology Policy |
OTD | Optical Technology Division |
PA | Proton Affinity |
PADE | Parallel Applications Development Environment |
PARCS | Primary Atomic Reference Clock in SPACE |
PC | Personal Computer |
PCB | polychlorinated biphenyl |
PDC | Parametric down-conversion |
PDE | Product Data Exchange |
PDML | Photovoltaic Device Measurement Laboratory |
PE | Performance Evaluation |
PECVD | Plasma-Enhanced Chemical Vapor Deposition |
PEM | polymer-electrolyte-membrane |
PES | Photoelectron Spectroscopy |
PET | Positron Emission Tomography |
PFID | Perturbed Free Induction Decay |
PID | Proportional, Integral, and Derivative |
PIXE | Particle Induced X-ray Emission |
PL | Physics Laboratory |
PM | phase modulation |
PMG | Precision Measurement Grant |
PMMA | polymethylmethacrylate |
PMS | Particle Measurement System |
PMT | Photomultiplier Tube |
PNL | Pacific Northwest Laboratory |
PNNL | Pacific Northwest National Laboratory |
PNR | Polarized Neutron Reflectivity |
POC | Physical Optics Corporation |
POP | Plasma Oscillation Probe |
POPA | Panel on Public Affairs of American Physical Society |
PREP | Professional Research Experience Program |
PRF | Petroleum Research Fund |
PRL | Physical Review Letters |
PRM | Precision Radiation Measurement |
PS | Polystyrene |
PSD | Photon-Stimulated Desorption |
PSL | Polystyrene-latex |
PT | Performance Testing |
PTB | Physikalisch-Technische Bundesanstalt (Germany) |
PTCA | Percutaneous Transluminal Coronary Angioplasty |
PTFE | Polytetrafluoroethylene |
PTI | Proxima Therapeutics, Inc. |
PUD | Paired Uranium Detector |
PWR | Pressurized-Water Reactor |
PWS | Primary Working Standard |
PZT | Piezoelectric Transducer |
SACR | Space-based Active Cavity Radiometer |
SAM | Self-Assembled Monolayer |
SANS | Small-Angle Neutron Scattering |
SBIR | Small Business Innovation Research |
SCAMPY | Scanning Micro Pyrometer |
SCATMECH | Consortium of 14 U.S. Semiconductor Manufacturers |
SCC | Standards Coordinating Committee or Spectral Calibration Chamber |
SCF | Spectral Comparator Facility |
SCLIR | Secondary Calibration Laboratories for Ionizing Radiation |
SDI | Strategic Defense Initiative |
SDIO | Strategic Defense Initiative Organization |
SDL | Space Dynamics Laboratory |
SEAWIFS (SeaWiFS) | Sea-Viewing of Wide Field Sensor |
SEBA | Standards' Employees Benefit Association |
SEM | Scanning Electron Microscope |
SEMATECH | Consortium of 14 U.S. Semiconductor Manufacturers |
SEMPA | Scanning Electron Microscopy with Polarization Analysis |
SFA | Sachs Freeman and Associates |
SFCP | Special Foreign Currency Program |
SFG | Sum Frequency Generation |
SI | Système International d' Unités
or International System of Units |
SIA | Semiconductor Industry Association |
SID | Society for Information Display |
SIMS | Secondary Ion Mass Spectrometry |
SIRCUS | Spectral Irradiance and Radiance Calibration with Uniform Sources |
SIRREX-3 | SeaWiFS Intercalibration Round-Robin Experiment |
SKACR | Superconducting Kinetic-inductance Absolute Cryogenic Radiometer |
SLM | Synthetic Layer Microstructure |
SME | Solar Mesosphere Explorer |
SM | Single Molecule |
SNOM | Scanning Near Field Optical Microscope |
SOG | Spin-on Glass |
SOLSPEC | Solar Spectrometer |
SOLSTICE | Solar Stellar Irradiance Comparison Experiment |
SPIE | Society of Photo-optical Instrumentation Engineers |
SPP | Storage Photostimulable Phosphor |
SQL | Structured Query Language |
SRAM | Static Random Access Memory |
SRDP | Standard Reference Data Program |
SRM | Standard Reference Material |
SSBUV | Shuttle Solar Backscatter Ultraviolet |
SSC | Superconductor Super Collider |
SSDL | Secondary Standard Dosimetry |
SSPM | Solid State Photomultipliers |
SSRCR | State Suggested Regulations for Controlling Ionizing Radiations |
SSTR | Solid State Track Recorder |
SSUV | Shuttle Solar Ultraviolet |
STARR | Spectral Tri-function Automated Reference Reflectometer |
STD | Standard |
STM | Scanning Tunneling Microscope |
STP | Standard Temperature Pressure |
STScI | Space Telescope Science Institute |
SUNY | State University of New York |
SURF | Summer Undergraduate Research Fellowship program |
SURF-III (SURF II) | The NIST Synchrotron Ultraviolet Radiation Facility Electron Storage Ring |
SUSIM | Solar Ultraviolet Spectral Irradiance Monitor |
SVGL | Silicon Valley Group Lithography |
SWIXR | Short Wave Infrared Transfer Radiometer |
SWIR | Short Wave Infrared |
SXR | SeaWiFS Transfer Radiometer |
TAG | Technical Advisory Group |
TAI | International Atomic Time |
TAMOC | Theoretical Atomic, Molecular, and Optical Physics Community |
TASSII | Total and Spectral Solar Irradiance Investigation |
TC | Technical Committee |
TCAP | Time-Correlated Associated Particle |
TDCR | Triple-to-Double Coincidence Ratio |
TEPC | Tissue Equivalent Proportional Counter |
TEXT | Texas Experimental Tokamak |
TFTC | Thin-Film Thermocouple |
TFWM | transient four-wave-mixing |
TGM | Toroidal-Grating Monochromator |
TIMED | Thermosphere Ionosphere Mesosphere Energetics and Dynamics |
TLC | Thin Layer Chromatography |
TLD | Thermoluminescent Detector |
TMA | Tri-methyl-aluminum |
TOF | Time-of-Flight Spectrometer |
TOMS | Total Ozone Mapping Spectrometer |
TOP | Time-Orbiting-Potential Trap |
TPB | Tetraphenyl Butadiene |
TPD | Temperature Programmed Desorption |
TQM | Total Quality Management |
TRIGA | Training, Research and Isotope Reactor, General Atomics |
TRU | Transuranic |
TuFIR | Tunable Far Infrared (Radiation) |
TXR | Thermal-infrared Transfer Radiometer |
WAFAC | Wide-Angle Free-Air Chamber |
WERB | Washington Editorial Review Board |
WG | Working Group |
WHC | Washington Hospital Center |
WHO | World Health Organization |
WIPP | Waste Isolation Pilot Plant |
WISE | Women in Science and Engineering |
WKB | Wentzel-Kramers-Brillouin |
4WM | Four Wave Mixing |
WMO | World Metrological Organization |
WPMA | Working Party on Measurement Activities |
WSTC | Westinghouse Science and Technology Center |
WWV | Call letters for NIST short-wave radio station in Colorado |
WWVB | Call letters for NIST lf radio station in Colorado |
WWVH | Call letters for NIST short-wave radio station in Hawaii |
WWW (www) | World Wide Web |
WYSIWYG | What You See Is What You Get |