Reflectance spectroscopy is a technique used to analyze the reflective properties of materials across various wavelengths of the electromagnetic spectrum. By measuring the reflectance of light from a sample, scientists can gain valuable information...

A Nernst glower, also known simply as a Nernst lamp or Nernst filament, is a type of incandescent lamp or radiant heater...

A colorimeter is a device used to measure and quantify the color characteristics of an object or a light source. It provides...

An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...

A machine vision system is an integrated combination of hardware and software components designed to capture, process, and...

Spectral repeatability refers to the consistency and reproducibility of spectral measurements across multiple trials or...

In optics, the term image jump refers to a displacement or shift in the apparent position of an image when a change occurs...

Photocells of various kinds used to measure photometric quantities; i.e., intensity, luminance and illuminance. Meter...

An autocollimator is an optical instrument used for measuring small angular deviations with high precision. It operates on...

A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...

A blackbody source, often simply referred to as a blackbody, is a theoretical or practical physical object that absorbs all...

A corner cube, also known as a corner reflector or retroreflector prism, is a type of optical device used to reflect light...

Near-infrared spectroscopy (NIRS) is a non-invasive analytical technique that uses the near-infrared region of the...

An accelerometer is a sensor or transducer that measures the rate of change of velocity of an object, or in simpler terms,...

Any known value derived from standard analysis that serves as a reference to the accuracy of an instrument or process in...

A prism is a geometric optical element with flat, polished surfaces that refract light. It is typically a solid, transparent...

Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement,...