photometer

Example Sentences

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Euclid launched in July to probe the fine details of this sprawling structure with a state-of-the-art 600-megapixel visible-light camera and a wide-field near-infrared spectrometer and photometer.

From Scientific American • Nov. 8, 2023

Euclid also has a near-infrared spectrometer and photometer for measuring each galaxy’s redshift, or the wavelength-stretching effect that occurs in light arriving from the faraway cosmos.

From New York Times • Jul. 1, 2023

Using an instrument called a photometer, which measures brightness very accurately, researchers can detect those dips and—from their duration and frequency—can deduce the size of the exoplanet and its orbit.

From Science Magazine • Jan. 14, 2015

The machines, like the electronic nose or the laser-wielding robot that measures atmospheric ozone 10 kilometers up known as the sun photometer, constantly monitor air quality from 17 different sites.

From Scientific American • Jan. 8, 2013

A number of measurements of the illuminating power of an electric lamp were rapidly made during the lecture with this photometer.

From Scientific American Supplement, No. 288, July 9, 1881 by Various