Spectroscopy

News and Updates

Micrograph shows six blue boxes with thin lines at the center, each connected to white rectangular shapes.

Spotlight: A New Wavelength of Scientific Exploration With Single-Photon Detectors

January 29, 2024

From the minuscule bindings of molecules to the far reaches of space, we’re exploring the universe around us by catching sight of the smallest particles of

A scientific device attached to a lab table has a round, porthole-like opening on one end of a cylinder wrapped in foil.

Spotlight: Near-Perfect Mirror Surfaces for Reflecting Mid-Infrared Light Better

December 6, 2023

Mirror, mirror in the chamber, how can we get light to reflect from you better?

New NIST Licensing Opportunity Teems with Potential Applications

July 5, 2023

Max Planck, one of the Twentieth Century’s most eminent physicists, observed, "An experiment is a question that science poses to Nature, and a measurement is

Projects and Programs

X-ray Testbed for Breakthrough Catalyst Measurements

Ongoing

NIST’s Material Measurement Laboratory and Physical Measurement Laboratory are developing a first-of-kind X-ray testbed for operando monitoring of catalytic

Optical and Optoelectronic Materials Characterization

Ongoing

This project aims to develop rigorous measurements and methodology needed for determining optical and electrical properties of advanced materials that might be

Femtosecond Nonlinear Optical Spectroscopy of Nanoscale Materials

Ongoing

Condensed matter dynamics can evolve on a subpicosecond timescale, too fast to follow using many characterization techniques. We use femtosecond optical pulses

PTIR combines the spatial resolution of AFM with the specificity of absorption spectroscopy

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Ongoing

Conventional techniques for analyzing chemical composition, such as infrared (IR) microscopy often miss critically important nanoscale details. To overcome this

The Research

X-ray Testbed for Breakthrough Catalyst Measurements

Ongoing

NIST’s Material Measurement Laboratory and Physical Measurement Laboratory are developing a first-of-kind X-ray testbed for operando monitoring of catalytic

Optical and Optoelectronic Materials Characterization

Ongoing

This project aims to develop rigorous measurements and methodology needed for determining optical and electrical properties of advanced materials that might be

Femtosecond Nonlinear Optical Spectroscopy of Nanoscale Materials

Ongoing

Condensed matter dynamics can evolve on a subpicosecond timescale, too fast to follow using many characterization techniques. We use femtosecond optical pulses

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Ongoing

Conventional techniques for analyzing chemical composition, such as infrared (IR) microscopy often miss critically important nanoscale details. To overcome this

Additional Resources Links

Atomic Spectroscopy - A Compendium of Basic Ideas, Notation, Data, and Formulas

Handbook of Basic Atomic Spectroscopic Data

X-Ray Transition Energies Database

Atomic Spectroscopy Databases

Publications

Dual-comb spectroscopy of ammonia formation in non-thermal plasmas

May 13, 2024

Author(s)

Ibrahim Sadiek, Adam Fleisher, Jacok Hayden, Andreas Hugi, Xinyi Huang, Richard Engeln, Norbert Lang, Jean-Pierre van Helden

Nanoscale Three-Dimensional Imaging of Integrated Circuits Using a Scanning Electron Microscope and Transition-Edge Sensor Spectrometer

April 30, 2024

Author(s)

Nathan Nakamura, Paul Szypryt, Amber Dagel, Bradley Alpert, Douglas Bennett, W.Bertrand (Randy) Doriese, Malcolm Durkin, Joseph Fowler, Dylan Fox, Johnathon Gard, Ryan Goodner, James Zachariah Harris, Gene C. Hilton, Edward Jimenez, Burke Kernen, Kurt Larson, Zachary H. Levine, Daniel McArthur, Kelsey Morgan, Galen O'Neil, Christine Pappas, Carl D. Reintsema, Dan Schmidt, Peter Schulz, Daniel Swetz, Kyle Thompson, Joel Ullom, Leila R. Vale, Courtenay Vaughan, Christopher Walker, Joel Weber, Jason Wheeler

X-ray nanotomography is a powerful tool for the characterization of nanoscale materials and structures, but it is difficult to implement due to the competing

Evaluating Models That Predict Epoxy Conversion Using Rheological Properties

April 15, 2024

Author(s)

Stian Romberg, Paul Roberts, Chad R. Snyder, Anthony Kotula

Simultaneous rheology and conversion measurements of neat and composite epoxy resins reveal that conventional models neither accurately nor fully describe the

Influence of fluorescence lifetime selections and conformational flexibiiliy on brightness of FusionRed variants

February 5, 2024

Author(s)

Srijit Mukherjee, Nancy Douglas, Ralph Jimenez

Software

Custom Lifetime Imaging Platform (CLIP)

CLIP is an analysis program for fluorescence lifetime images. It provides the user with the ability to fit or calculate the phasor plots for lifetime decays

Tools and Instruments

Synchrotron Ultraviolet Radiation Facility SURF III

The Synchrotron Ultraviolet Radiation Facility SURF III is operated by the Optical Radiation Group as a stable light source for radiometry and research. SURF

Picture of PBD set up for wavelength measurement

The Parallel Beam Diffractometer (PBD) Laboratory

The Parallel Beam Diffractometer laboratory is a highly-controlled space (0.01 degree C stability) containing a set of absolutely calibrated stacked goniometer

BL-2 with the new clean room in the back.

Beamline 2: Absolute Source-Based Radiometry

Absolute source-based radiometry is founded in the traceability of a light source’s output to measurable operational parameters. The absolute irradiance at BL-2

Beamline 10: Quantitative Hyperspectral Infrared Microscopy

The new beamline 10, currently under construction, is intended for applications that make use of the super-thermal brightness from SURF in the near- to mid

Spectroscopy

News and Updates

Spotlight: A New Wavelength of Scientific Exploration With Single-Photon Detectors

Spotlight: Near-Perfect Mirror Surfaces for Reflecting Mid-Infrared Light Better

New NIST Licensing Opportunity Teems with Potential Applications

Projects and Programs

X-ray Testbed for Breakthrough Catalyst Measurements

Optical and Optoelectronic Materials Characterization

Femtosecond Nonlinear Optical Spectroscopy of Nanoscale Materials

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

The Research

X-ray Testbed for Breakthrough Catalyst Measurements

Optical and Optoelectronic Materials Characterization

Femtosecond Nonlinear Optical Spectroscopy of Nanoscale Materials

Nano-Chemical Imaging and -Spectroscopy (IR, nIR, VIS)

Additional Resources Links

Publications

Dual-comb spectroscopy of ammonia formation in non-thermal plasmas

Nanoscale Three-Dimensional Imaging of Integrated Circuits Using a Scanning Electron Microscope and Transition-Edge Sensor Spectrometer

Evaluating Models That Predict Epoxy Conversion Using Rheological Properties

Influence of fluorescence lifetime selections and conformational flexibiiliy on brightness of FusionRed variants

Software

Custom Lifetime Imaging Platform (CLIP)

Tools and Instruments

Synchrotron Ultraviolet Radiation Facility SURF III

The Parallel Beam Diffractometer (PBD) Laboratory

Beamline 2: Absolute Source-Based Radiometry

Beamline 10: Quantitative Hyperspectral Infrared Microscopy

Awards

2015 French Award

2009 APS Fellow - Yuri Ralchenko

2009 Washington Academy of Sciences Award - Dr. Joseph Reader