单词 | chromatic resolving power |
释义 | chromatic resolving power [krō`mad·ik rǝ`zälv·iŋ ´pau̇·ǝr] OPTICS The difference between two equally strong spectral lines that can barely be separated by a spectroscopic instrument, divided into the average wavelength of these two lines; for prisms and gratings Rayleigh's criteria are used, and the term is defined as the width of the emergent beam times the angular dispersion. |
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