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Optical Technology Programs & Projects

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Pico-Watt ACR
Last Updated Date: 08/14/2015

The goal of the Pico-Watt ACR project (pW-ACR) is to develop an absolute cryogenic radiometer (ACR) able to calibrate 1 pW of optical power with … more

BIB-trap detector
Last Updated Date: 08/14/2015

The goal of the BIB-Trap Detector project is to develop a detector composed of solid-state devices that can be used as a reference detector for … more

Transfer radiometers and reference detectors
Last Updated Date: 08/14/2015

We have developed several portable radiometers to transfer the primary detector-based scales for optical power, radiance, and irradiance in the … more

Absolute cryogenic infrared radiometry at the LBIR facility
Last Updated Date: 08/14/2015

In support of defense programs in remote sensing, NIST maintains the scale for infrared radiant flux by using an Absolute Cryogenic radiometer … more

Vision science
Last Updated Date: 08/03/2015

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

Spectral irradiance and radiance responsivity calibrations using uniform sources (SIRCUS)
Last Updated Date: 07/27/2015

SIRCUS is a reference facility for the calibration of detectors and radiometers for spectral irradiance responsivity and spectral radiance … more

Infrared optical properties of materials and components
Last Updated Date: 07/27/2015

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

Frequency Conversion Interfaces for Photonic Quantum Systems
Last Updated Date: 07/24/2015

Optical frequency conversion, in which the color of light is changed, is a process that has numerous applications in physics and technology. For … more

Color and appearance
Last Updated Date: 07/10/2015

We are developing instrumentation, standards artifacts, and measurement protocols to characterize appearance attributes including color, texture, … more

NIST Stars
Last Updated Date: 06/19/2015

NIST Stars is an Innovations in Measurement Science project to create a catalog of stars whose top-of-the-atmosphere spectral flux has an SI … more

Bilateral Comparison of Spectral Responsivity in the Vacuum-Ultraviolet
Last Updated Date: 04/23/2015

To compare the calibration capabilities for the spectral responsivity in the vacuum-ultraviolet spectral region between 135 nm and 250 nm, PTB and … more

Building the next generation reference reflectometer
Last Updated Date: 04/10/2015

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

Primary optical watt radiometer (POWR)
Last Updated Date: 03/30/2015

The Sensor Science Division of NIST realizes and maintains the unit of optical power (watt) with the NIST reference cryogenic radiometer, Primary … more

Lunar spectral irradiance and radiance (LUSI)
Last Updated Date: 03/30/2015

LUnar Spectral Irradiance and radiance (LUSI) is a proposed suite of instruments to radiometrically characterize the Moon for use as an on-orbit … more

Synchrotron Radiation-Based Calibrations for Space Weather Prediction
Last Updated Date: 03/24/2015

Orbital ultraviolet and extreme-ultraviolet spectrometers are calibrated on beamline 2, taking advantage of the calculability of synchrotron … more

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