| 单词 | light pipe |
| 释义 | > as lemmaslight pipe light pipe n. (a) a cylinder or strip of (usually transparent) material along which visible, infrared, or ultraviolet light can travel with little energy loss by means of total internal reflection; a bundle of such cylinders or strips; = light guide n.; (b) a pipe or shaft used to guide light into the interior of a building, either made from a transparent material, or taking the form of a hollow shaft with a reflective coating. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > apparatus > [noun] spectacle-case1597 steel glass1662 dark glasses1733 bruiser1738 hone pavement1738 Ramsden's ghost1807 sunshade1829 optical bank1874 phacometer1876 optical bench1880 flat1897 lens paper1925 light pipe1939 lens tissue1941 optical fibre1960 1939 Sci. News Let. 4 Feb. 76/3 They could insert probe ‘light pipes’ inside the incision to provide illumination right where it is needed. 1970 New Scientist 13 Aug. 340/1 Light can travel along a bundle of certain glass fibres—a light pipe. 1982 Lighting Design & Applic. Nov. 14 Alcoves located along this vault in manifold fashion with floor to ceiling clear double glazing act as light pipes to transmit daylight into the large open vault area. 2007 Sci. Amer. Feb. 64/1 Any pattern in the light goes in and out of focus as it travels down the light pipe as a result of constructive and destructive interference among the lightwaves reflecting off the waveguide's walls. 2015 T. Muneer et al. in I. Staffell et al. Domest. Microgeneration vi. 156 Daylighting systems, such as rooflights or light pipes, can be fitted to existing buildings. < as lemmas |
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