The radio refractive index: its formula and refractivity datadoi:ITU-R P.453
The radio refractive index formula adopted in 1963 by the International Union of Geodesy and Geophysics (IUGG) and the International Association of Geodesy (IAG) is being reviewed. Forty years ago, this formula was essential for the reduction of distances measured with microwave EDM instruments. Sin...
Refractive index determination of RBCs and Hb solutions has been carried out already for many decades. Homogeneous solutions of Hb can be obtained from RBCs by breaking open the cell membranes (hemolysis) and it is known that their complex RI depends on the (intracellular) Hb concentrationcHbaccor...
摘要: The fitting of measured optical index data to the Sellmeier dispersion formula, using the variable projection algorithm, is described. Examples of fits obtained by this method to several Schott optical glasses and non-glass materials are given.关键词: DISPERSION OPTICAL MATERIALS ...
Measurement of the refractive index of air and comparison with modified Edl茅n's formulae G B枚Nsch,E Potulski 被引量: 0发表: 1998年 The Refractive Index of Air Present knowledge of the refractive index of air is reviewed. Regarding the absolute values there are as yet no definite ...
The refractive index at a wavelength other than the spectral lines can be calculated from a dispersion formula. SCHOTT uses Sellmeier dispersion formula: (3) where λ is the wavelength in um ,and B1, B2, B3, C1, C2and C3are coefficients to be determined for each optical glass type. Table...
Global Positioning System (GPS). Today, the formulae are important for accurate measurements using radio waves, including GPS and VLBI (Very Long Baseline Interferometry). The new radio wave refractive index formulae of the last decades are ...
For the specification of awavelength-dependentrefractive indexof a transparentoptical material(e.g. anoptical glass), it is common to use a so-calledSellmeier formula[1](also calledSellmeier equationorSellmeier dispersion formula, after Wolfgang von Sellmeier). This is typically of the form ...
3. The composition for forming a low refractive index film according to claim 2, wherein the silazane-containing organic polymer is a silazane-containing organic polymer represented by the formula (II): wherein R1 is a group represented by the formula (I) described above; R2, R3, and R4...
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