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Goniometric optical scatter instrument (GOSI) The bidirectional reflectance distribution function (BRDF) quantifies the angular distribution of radiation
The Nanofocus™ µsurf disc-scanning confocal microscope is a 3D surface topography measurement instrument. Its primary purpose is to collect firearm toolmark
The Alicona™ G5 focus variation microscope is a 3D surface topography measurement instrument. Its primary purpose is to collect firearm toolmark measurements
The Sensor Science Division has a focused beam spectroscopic Mueller matrix ellipsometer. Its capabilities include Wavelengths from 245 nm to 1000 nm Spot size
High-accuracy index of refraction measurements are made at NIST using a custom minimum-deviation-angle refractometry system. It uses all-reflective optics and a
Summary The Normal incidence Diffuse Optical Scatter Instrument (NDOSI) is a new facility for measuring the hemispherical reflectance and transmittance of
The reference integrating sphere performs directional-hemispherical reflectance measurements of spectrally neutral, non-fluorescent samples at room temperature
The Reference Transmission Densitometer (RTD) is the national reference instrument for standard diffuse visual transmittance density measurements for x-ray and
The Reference Transmittance Spectrophotometer (RTS) is the national reference instrument for regular spectral transmittance measurements of non-fluorescent
ROSI performs specular and bidirectional reflectance measurements of spectrally neutral, non-fluorescent specular and diffuse samples at room temperature. It
The Taylor Hobson Form Talysurf PGI 1240 is a mechanical stylus profilometer for surface texture and microform measurements. Its primary purpose is for the
A Perkin-Elmer Lambda 1050 spectrophotometer is used to complement the reference reflectance and transmittance instruments. It performs this function by