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Optical Technology Portal

Programs and Projects
SDO/EVE/ESP Calibration

NASA launched the Solar Dynamics Observatory ( SDO ) satellite on 11 Feb 2010 on a mission to study the sun. The EUV Variability Experiment ( EVE … more

Solid-state lighting metrology

With the rise of new, energy-efficient solid-state lighting (SSL) systems has come the need for new performance metrics and measurement methods to … more

Laser Applications

High power lasers capable of continuous output powers ranging from hundreds of watts to tens-of-thousands of watts present exciting opportunities … more

Infrared optical properties of materials and components

Accurate measurements of the optical properties of materials in the infrared spectral range play an increasingly important role in the aerospace … more


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

Laser Radiometry

Accurate characterization of photonic equipment is important for optical communications, medical devices, semiconductor lithography, manufacturing … more

Beamline 7:  EUV reflectometry

The NIST/DARPA EUV Reflectometry facility began in the late 1980's to make measurements of the reflectivity of EUV multilayer optics for … more

Beamline 8: EUV Surface Chemistry & Lifetime

The purpose of the end station on Beamline 8 at the Synchrotron Ultraviolet Radiation Facility (SURF III) is to study the degradation of materials … more

EUV Detector Radiometry Beamline

The EUV Detector Radiometry Beamline (BL-9) is devoted to detector-based radiometry and other measurements of optical properties in the extreme … more

Beamline 2: Spectrometer Calibrations

Absolute irradiance calibrations based on the calculability of synchrotron radiation are performed on beamline 2. See GOES-R/EXIS and SDO as … more

Beamline 1: Degradation of EUV filters and mirrors

Beamline 1 separates a swath of light from the SURF III electron storage ring into two parts. The first part is collected in Beamline 1a by a … more

BMDO transfer radiometer (BXR)

NIST developed the BMDO transfer radiometer (BXR) to calibrate small-aperture blackbodies for the test facilities of the Missile Defense Agency … more

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

FPGA-based Digital Control Box for Phase Stabilization of a Frequency Comb

This page provides information on firmware/software used at NIST to phase-lock a frequency comb. The firmware/software operates with hardware that … 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


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

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