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Pronunciation varies by accent · noun
An optical device containing parallel mirrors, used as a narrow band filter, often in laser design..
It will be shown that the simple theory outlined in the preceding paragraph, which is applicable to single-plate etalons, can be used to predict the main features of the spectral curve of a multi element etalon.
The laser output will be composed of longitudinal modes that fall inside the transmission band of the etalon, hence a narrowing of the laser line width is observed.
The next step of this experiment is to compare the etalon m₁m₂ (shortest length) with the etalon m₃m₄ (the next one). For this two etalons are arranged side by side as shown in Fig. 7.13a.
Use etalon when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Etalon means An optical device containing parallel mirrors, used as a narrow band filter, often in laser design..
Common synonyms include Fabry-Pérot interferometer.
The opposite depends on the specific sense.
It will be shown that the simple theory outlined in the preceding paragraph, which is applicable to single-plate etalons, can be used to predict the main features of the spectral curve of a multi element etalon.
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