Photometry (optics) - Wikipedia
网页Photometry is a branch of optics that deals with the measurement of light in terms of its perceived brightness to the human eye. [1] It is concerned with quantifying the amount of light that is emitted, transmitted, or received by an object or a system.
Photometry (astronomy) - Wikipedia
网页In astronomy, photometry, from Greek photo- ("light") and -metry ("measure"), is a technique used in astronomy that is concerned with measuring the flux or intensity of light radiated by astronomical objects. [1] This light is measured through a telescope using a photometer, often made using electronic devices such as a CCD photometer or a ...
Photometry: Definition, Photometric Quantities, and Applications
网页2024年5月25日 · Photometry is the precise measurement and study of visible light, which is perceived as brightness by the human eye. It quantifies light and contextualizes it within the limits of human vision, considering factors like brightness, color, and perceived intensity. Photometry focuses specifically on the spectral range that the human eye can detect ...
Photometry | Measuring Brightness & Intensity | Britannica
网页Photometry, in astronomy, the measurement of the brightness of stars and other celestial objects (nebulae, galaxies, planets, etc.). Such measurements can yield large amounts of information on the objects’ structure, temperature, distance, age, etc.
PHOTOMETRY中文(简体)翻译：剑桥词典 - Cambridge Dictionary
网页Maturation of visual pathways of heterochromatic flicker photometry demonstrated in the ganglion cells of the macaque retina. 来自 Cambridge English Corpus. For that purpose, …
Photometry | NIST
网页2021年6月2日 · The purpose of photometry is to measure light in a way that takes the sensitivity of human visual system into account. While radiometry measures light in all spectral regions, including ultraviolet and infrared, photometry only measures in the visible spectral region from 360 nm to 830 nm, where human eyes are sensitive.
Photometry – perceived brightness, human eye, photopic, …
网页Photometry is the science and technology of quantifying and measuring properties of light related to its perceived brightness for human eyes. It thus deals with visible light only, not with infrared and ultraviolet light, and takes into …
Photometry - an overview | ScienceDirect Topics
网页Photometry is a system of language, mathematical formulations, and instrumental methodologies used to describe and measure the propagation of light through space and materials. In consequence, the radiation so studied …
Photometry: What is it? (Fibre, Flame & Reflectance Photometry)
网页2023年6月19日 · Photometry is defined as the science of measuring light based on its perceived brightness to the human eye. Unlike radiometry, which measures all radiant energy, photometry focuses only on visible light that stimulates the human eye.
Photometry - SpringerLink
网页2020年5月7日 · Photometry is one of the key observation pillars of astrophysics. New techniques have improved the precision of photometry to the point that exoplanet transit observations are possible with small telescopes. This chapter details the methods by example to perform...