We demonstrate by a paraxial ray-tracing analysis that these changes in image dimensions and location obey relations quite similar to thin-lens formulae.doi:10.1007/BF01419273A. H. FiresterKluwer Academic PublishersOpto-electronics
Thin Lens Equation Calculator is a physics/math tool designed to quickly and easily find object distance, image distance, focal length, and magnification. Feat…
Historically, the first lens models constructed for time-delay cosmography were based on positional constraints of the quasar images alone, and in combination with the time delays, and to some extent the image magnifications. Valid models must satisfy the lens equation (Eq. (1)) such that all...
It does not look as though it is below the horizon, but it is (Fig. 26–7). The earth's atmosphere is thin at the top and dense at the bottom. Light travels more slowly in air than it does in a vacuum, and so the light of the sun can get to point S beyond the horizon more...
Each cell-population equation has four parameters: the rates of autocrine \({p}_{{XX}}\) and paracrine\({p}_{{XY}}\) interactions, the rate of cellular removal \({r}_{X}\), and the carrying capacity \({K}_{X}\). We sought to infer these parameters from the cell count measur...
Let x represent facet area and c(x, t) the concentration of facets of area x at time t; then the linear integro-differential equation describing the evolution of c(x, t) is given by $$\frac{\partial c(x,t)}{\partial t}=-r(x)c(x,t)+\int_{x}^{\infty }c(y,t)r(y...
We based our analysis on simple power vectors [48] but not more comprehensive power matrices [49] that represent dioptric power in its full character because power vectors (with three components) are useful for adding, subtracting, and averaging powers of thin lens systems. ...
It is also possible to model structures composed of thin layers of different materials, such asdielectric mirrorsorantireflective coatings. These can be modeled by adding one or more Thin Dielectric Film nodes to a boundary. The effective reflection and transmission coefficients through the multi-laye...
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In this work, we developed an inverse design approach that allows the realization of highly efficient (up to 99%) ultrathin (down to 50 nm thick) optics for vectorial light control with broadband input–output responses in the visible and near-IR regions with a desired wavefront shape. ...