单词 | graded refractive index rod lens |
释义 | graded refractive index rod lens [`grād·ǝd ri`frak·tiv `in´deks ¦räd ´lenz] OPTICS A type of gradient index lens used in optical fiber components, consisting of a rod with a refractive index that has its maximum value on the axis, and decreases approximately as the square of the distance. Abbreviated GRIN-rod lens. |
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