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Optical Technology Portal

Programs and Projects
Optical medical imaging

The Optical Medical Imaging program was established to advance the application of optical imaging in surgical, clinical, and medical practices. … more

Building the next generation reference reflectometer

ROSI (Robotic Optical Scatter Instrument) is a new facility for measuring reflectance and scattering of materials in the ultraviolet to short-wave … more

EUV Detector Calibrations

Transfer standard photodiodes may be purchased with a calibration in the range from 5 nm to 254 nm. Other detectors supplied by the customer may … more

Spectrophotometry

Spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. While … more

Photometry

The purpose of photometry is to measure light in a way that takes the sensitivity of human visual system into account. While radiometry measures … more

Vision science

The Vision Science program was established to develop new photometric and colorimetric standards based on vision science to facilitate development … more

Instruments
Color and appearance metrology facility

The NIST Physical Measurement Laboratory has established the color and appearance metrology facility to support calibration services for 0°/45° … more

Goniophotometer for specular gloss calibrations

Specular gloss is the perception by an observer of the mirror-like appearance of a surface. The measurement of specular gloss consists of … more

Retroreflection calibration facility (CHARM)

In 1993, the United States Congress directed the U.S. Department of Transportation to establish "a standard for a minimum level of … more

Transfer spectrophotometer

A Perkin-Elmer Lambda 1050 spectrophotometer is used to complement the reference instruments. It performs this function by measuring samples … more

Reference transmittance spectrophotometer

The Reference Transmittance Spectrophotometer (RTS) is the national reference instrument for regular spectral transmittance measurements of … more

STARR

STARR is the national reference instrument for spectral reflectance measurements of spectrally neutral, non-fluorescent samples at room … more

Software
jb95 Spectral fitting program

A graphical user interface program, JB95 , based on a Windows 95 © API platform has been written in the C programming language to aid in the … more

SCATMECH

SCATMECH is an object-oriented C++ class library developed to distribute models for light scattering applications. Included in the library are … more

Modeled integrated scattering tool (MIST)

The MIST program has been developed to provide users with a general application to model an integrated scattering system. The program performs an … more

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