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Methods for producing mode locking in a laser may be classified as either "active" or "passive". Active methods typically involve using an external signal to induce a modulation of the intracavity light. Passive methods do not use an external signal, but rely on placing some element into the laser cavity which causes self-modulation of the light.
Q-switching, sometimes known as giant pulse formation or Q-spoiling, [1] is a technique by which a laser can be made to produce a pulsed output beam. The technique allows the production of light pulses with extremely high peak power, much higher than would be produced by the same laser if it were operating in a continuous wave (constant output) mode.
The canonical passive in European languages has the following properties: The subject is not an agent. There is a change in: word order; or in nominal morphology—the form of the nouns in the sentence. There is specific verbal morphology—a particular form of the verb indicates passive voice. The problem arises with non-European languages.
Passive solar building design, which uses (or avoids) sunlight as an energy source without active mechanical systems; Passive house, a standard for energy efficiency in buildings; Passive mode, in regard to how a data connection is established in File Transfer Protocol
Geometric transformations can be distinguished into two types: active or alibi transformations which change the physical position of a set of points relative to a fixed frame of reference or coordinate system (alibi meaning "being somewhere else at the same time"); and passive or alias transformations which leave points fixed but change the ...
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How Combining Active and Passive Income Helps You Earn More. While active income is the most common way to earn money, passive income helps you earn money without putting in any extra work.
Suicidal ideation (suicidal thoughts) exists on a spectrum: passive and active. Experts say the main difference between passive and active suicidal ideation is the intent and plan that accompanies ...