Photometers | Photonics Buyers' Guide

Photonics Buyers' Guide > Photometers

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(31 companies)

Photometers A photometer is a device used to compare the luminous intensities of two sources by comparing the illuminance they produce.

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Gigahertz-Optik, Inc., Sub. of Gigahertz-Optik GmbH - Newburyport, MAManufacturer of instrumentation for the measurement of light and measurement with light including UV-VIS-NIR radiometers, photometers, colorimeters, LED light analyzers, integrating spheres, power, reflectance and transmittance meters, and calibration standards. Standard lab-based systems, mobile...
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International Light Technologies, Gilway & International Light Divs. - Peabody, MAFor over 40 years, International Light Technologies (ILT) has provided direct and OEM customers in industrial, academic and research markets with light measurement and detection systems, and a broad range of off-the-shelf and customized specialty light sources. ILT is ISO 9001 certified and ISO/IEC...
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PCO-TECH Inc. - Romulus, MIOn July 21, 2003 PCO AG, a global leader in the development, manufacture and marketing of scientific cameras, acquired the Cooke Corporation. Our web site and e-mail addresses have also changed, so please update your records, so that you easily access our web site and support. PCO-TECH Inc. was...
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PI (Physik Instrumente) L.P., Sub. of Physik Instrumente (PI) GmbH & Co. KG, Piezo Nano Positioning - Auburn, MAPI employs more than 700 people and provides the broadest and deepest portfolio of precision motion technologies worldwide— from piezo ceramic actuators to hexapod 6-axis systems to air-bearing stages. Two of our products were selected for NASA’s Mars Rover Curiosity science lab due to...
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ADDITIONAL COMPANIES

TERMS
photometer A device used to compare the luminous intensities of two sources by comparing the illuminance they produce.
illuminance Luminous flux incident per unit area of a surface; luminous incidence. (The use of the term "illumination" for this quantity conflicts with its more general meaning.)
luminous intensity Luminous flux emitted by a source in a given range of directions; the unit of measure is the lumen/steradian, now known as the candela.
light Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.