| 单词 | birefringent filter |
| 释义 | birefringent filter [´bī·ri`frin·jǝnt `fil·tǝr] OPTICS A filter consisting of alternate layers of polarizing films and plates cut from a birefringent crystal; transmits light in a series of sharp, widely spaced wavelength bands. Also known as Lyot filter; monochromatic filter. |
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