نتایج جستجو برای: خوشهبندی optics
تعداد نتایج: 33881 فیلتر نتایج به سال:
In electromagnetics and photonics, ‘nonlocality’ refers to the phenomenon by which response/output of a material or system at certain point in space depends on input field across an extended region space. Although nonlocal effects associated wavevector/momentum dependence have often been neglected seen as nuisance context metasurfaces, emerging flat optics seeks exploit strong effective nonloca...
Fermionic linear optics is efficiently classically simulatable. Here it is shown that the set of states achievable with fermionic linear optics and particle measurements is the closure of a low dimensional Lie group. The weakness of fermionic linear optics and measurements can therefore be explained and contrasted with the strength of bosonic linear optics with particle measurements. An analysi...
In this chapter, we discuss some of the fundamentals of optics. We first cover the electromagnetic (EM) spectrum, which shows that the visible spectrum occupies just a very narrow portion of the entire EM spectrum. We then discuss geometrical optics and wave optics. In geometrical optics, we formulate the propagation of light rays in terms of matrices, whereas in wave optics we formulate wave p...
Transformation optics has been used to propose various novel optical devices. With the help of metamaterials, several intriguing designs, such as invisibility cloaks, have been implemented. However, as the basic units should be much smaller than the working wavelengths to achieve the effective material parameters, and the sizes of devices should be much larger than the wavelengths of illuminati...
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