| 词汇 | refractive-index |
| 释义 | refractive index noun[ C ] physics specializeduk /rɪˌfræk.tɪv ˈɪn.deks/ us /rɪˌfræk.tɪv ˈɪn.deks/ a measure of how much a particular substance refracts light折射率 Physics: optics, microscopy & lasers anti-reflection anti-reflective chromatic aberration concentrator converging lens eyepiece field glasses non-dispersive non-reflecting opera glasses optical density optics polarization polarize reflection reflective refract spotting scope spyglass transparency You can also find related words, phrases, and synonyms in the topics: Miscellaneous units of measurement Examples of refractive indexrefractive index Consequently, the refractiveindex is not uniform in that region too. It is of degree 2 + 3s in the square of the refractiveindex if s is the number of different particle species. On all illuminated points of one pattern, the refractiveindex was a near-maximum, while on the other it was a near-minimum. The refractiveindex of each sample was determined immediately by the refractometer, and later converted to density data. These are mica flakes 0.5pm thick, 5-20pm diameter, coated with titanium dioxide to raise their refractiveindex. These results investigate various illustrations given for the refractiveindex, power threshold, and self-focusing lengths as a function of laser intensity and density. Here we restrict ourselves to quantify the strength of the thermal lensing and hence fit a parabola to the refractiveindex profiles. Soft-x-ray inter ferometer for measuring the refractiveindex of materials. However, at the intensity maxima, the self-focusing effect is masked by the saturation effect of the nonlinear refractiveindex. The second acoustic mode, with a phase velocity less than the thermal velocity, is found to be evanescent (refractiveindex purely imaginary). The cell width increased very slowly, and the refractiveindex gradients decreased, but the effects were still observable many days later. Such a refractiveindex profile will tend to focus the pulse, preventing the natural diffraction and keeping the laser pulse confined in the channel. The beam thus creates a refractiveindex profile across its wavefront corresponding to its own intensity profile and focuses of its own. Contours of the refractiveindex distribution corresponding to figure 16(a) and (c). Up to this point, the discussion has been concerned with optics; certain cellular images have been demonstrated, and the correspondingdistributions of refractiveindex deduced. See all examples of refractive index These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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