| 单词 | optical path |
| 释义 | > as lemmasoptical path optical path n. (a) = optical length n.; (b) the path followed by a ray of light, e.g. through an optical instrument. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > emission of light, radiation > [noun] > optical path optical path1893 optical length1894 path length1900 Rayleigh limit1922 eikonal1923 1893 London, Edinb., & Dublin Philos. Mag. 5th Ser. 35 471 The phenomenon is due to the interference of two parallel gratings... Their distance, which is virtually constant, is the optical path, 2ne, e being the thickness, and n the index of the gelatine. 1923 R. Glazebrook Dict. Appl. Physics IV. 310/1 The function has the dimensions of a length, and..represents the length of the optical path between the points whose co-ordinates are taken as variables. 1992 Astronomy May 71/1 The optical path of the telescope and the polar axis of the fork mount not only lie parallel but overlap. < as lemmas |
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