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Microcombs – chip-scale devices that generate and measure frequencies of light with exquisite accuracy – have transformed timekeeping and boosted optical
When NIST scientist Tasshi Dennis first encountered quantum physics as a student, he was skeptical it would ever amount to any practical applications. Little
Chip-based devices known as frequency combs, which measure the frequency of light waves with unparalleled precision, have revolutionized time keeping, the
This project aims to develop rigorous measurements and methodology needed for determining optical and electrical properties of advanced materials that might be
The purpose of this human subjects study is to collect high-quality measurements of the reflectance spectrum of human skin and assess the variability across the
As part of the NIST on a Chip program, the Photonic Dosimetry project is developing in-situ sub-micrometer ionizing-radiation dosimetry and calorimetry leading
Charles McLemore, Naijun Jin, Megan Kelleher, Yizhi Luo, Dahyeon Lee, Yifan Liu, Takuma Nakamura, David Mason, Peter Rakich, Scott Diddams, Franklyn Quinlan
Vacuum-gap Fabry-Perot cavities are indispensable tools for vastly improving the frequency stability of lasers, with applications across a diverse range of
In many physical systems, the interaction with an open environment leads to energy dissipation and reduced coherence, making it challenging to control these
An electron hologram is a fringe modulated image containing the amplitude and phase information of an electron transparent object. The HolograFREE routines
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
The MIST program has been developed to provide users with a general application to model an integrated scattering system. The program performs an integration of
SCATMECH is an object-oriented C++ class library developed to distribute models for light scattering applications. Included in the library are models for
The Synchrotron Ultraviolet Radiation Facility SURF III is operated by the Optical Radiation Group as a stable light source for radiometry and research. SURF
A Perkin-Elmer Lambda 1050 spectrophotometer is used to complement the reference reflectance and transmittance instruments. It performs this function by
ROSI performs specular and bidirectional reflectance measurements of spectrally neutral, non-fluorescent specular and diffuse samples at room temperature. It
The reference integrating sphere performs directional-hemispherical reflectance measurements of spectrally neutral, non-fluorescent samples at room temperature