WebThe necessary population inversion can be achieved in a variety of ways . 我們可以用各種方法來實現這種必要的粒子數反轉。 With the increase of the average photon number of the coherent light field, the oscillation frequency of the atomic population inversion increases correspondingly. WebPopulation inversion is a state of a system, for example a laser gain medium, where a higher-lying energy level is more strongly populated than a lower-lying level. This cannot occur under conditions of thermal equilibrium, where the level populations are described by a Boltzmann distribution. However, a population inversion is often easily ...

population inversion — 中文 翻译 - TechDico辞書

WebMany of his political stances are built on this type of inversion. العديد من مواقفه السياسية مبنية على هذا النوع من الانقلابات . Since only a few atoms must be excited into the upper laser level to form a population inversion , a four-level laser is much more efficient than a three-level one, and most practical lasers are of this type . Webpopulation inversion, in physics, the redistribution of atomic energy levels that takes place in a system so that laser or maser action can occur. Normally, a system of atoms is in temperature equilibrium and there are always more atoms in low energy states than in higher ones. Although absorption and emission of energy is a continuous process, the … can i eat with cipro

Inversion - 當代英語文法 - 劍橋線上詞典 - Cambridge Dictionary

Web@@ We propose an inverse idea of controlling the evolution of the population inversion by a time-dependent coupling between the cavity field and a two-level system described through the Jaynes-Cummin WebApr 15, 2024 · population interaction在中文中有"种群间相互作用"的意思还有种群间相互作用的意思发音是[populationinteraction]population interaction在英语中经常以名词形式出现 … Webpopulation inversion lifetime中文意思:粒子數反轉壽命…,點擊查查權威綫上辭典詳細解釋population inversion lifetime的中文翻譯,population inversion lifetime的發音,三態,音標,用法和造句等。 fitted pool winter covers