NIST logo
Bookmark and Share

Infrared Technology Group


Optical properties and infrared technology thumbnailWe establish and disseminate primary measurement scales for transmittance, reflectance, and emittance of materials in the infrared spectral region; study optical properties of materials in the near, mid, and far infrared spectral regions; develop technology to support hyperspectral imaging standards in the visible through infrared; develop novel infrared spectroscopic techniques to support remote sensing; establish and maintain absolute radiometric scales using the absolute cryogenic radiometer (ACR); provide cryogenic blackbody calibrations; conduct the research and development of accurate, high precision radiometric measurements at low and ambient thermal background environments, and develop and calibrate transfer standard radiometers to be used for on-site NIST traceable measurements of missile defense sensor test chambers and test chambers for NASA and NOAA.


Infrared cryogenic blackbody broadband calibration—The Missile Defense Agency (MDA) requires all test facilities to have their blackbodies calibrated at the NIST Low Background Infrared (LBIR) facility. The infrared test chambers for MDA are …

Hyperspectral Imaging Standards—Hyperspectral imaging as a field is in the process of maturing from a specialized tool to a routine method applied to many facets of society.

Hyperspectral Microscopy—Hyperspectral imagery (HSI) microscopy allows for vegetation and geologic material to be examined at the sub-centimeter spatial scale.

Diffuse Optical Properties of Materials—Diffuse optical properties are critical parameters for understanding the interaction of light with tissues and other optically diffusive materials.

Pico-Watt ACR—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 less than 1% uncertainty. The new radiometer will …

BIB-trap detector—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 calibrations in the wavelength range 4-28 µm. …

Transfer radiometers and reference detectors—We have developed several portable radiometers to transfer the primary detector-based scales for optical power, radiance, and irradiance in the infrared spectral region to user sites for …

Hyperspectral Image Projector (HIP)—Detecting climate change with remote sensing instruments, providing state-of-the-art surveillance imagery for security and defense, or getting the most out of medical imagers requires excellent …

Absolute cryogenic infrared radiometry at the LBIR facility—In support of defense programs in remote sensing, NIST maintains the scale for infrared radiant flux by using an Absolute Cryogenic radiometer (ACR) in a low background environment. The program …

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 and defense industries, optical engineering, …


Infrared technology group:
Joseph Rice, Group Leader
301-975-2133 Telephone

Andrea Swiger, Secretary
301-975-4800 Telephone
301-548-0206 Facsimile

100 Bureau Drive, M/S 8363
Gaithersburg, MD 20899-8363