| 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 |
| LOA |
Letter of Authorization |
| 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 |