Diffractive Nanophotonics by Victor A Soifer

By Victor A Soifer

Diffractive Nanophotonics demonstrates the application of the well-established equipment of diffractive machine optics in fixing nanophotonics initiatives. it really is focused on strange houses of laser mild diffraction via microoptics parts with nanoscale gains and light-weight confinement in subwavelength area areas. Written via well-known specialists during this box, the e-book covers intimately a large choice of complex equipment for the rigorous simulation of sunshine diffraction. The authors follow their services to addressing state of the art difficulties in nanophotonics.

Chapters think about the elemental equations of diffractive nanophotonics and similar variations and numerical tools for fixing diffraction difficulties lower than strict electromagnetic conception. They study the diffraction of sunshine on two-dimensional microscopic gadgets of arbitrary form and current a numerical strategy for fixing the matter of diffraction on periodic diffractive micro- and nanostructures. this technique is utilized in glossy tendencies in nanophotonics, resembling plasmonics, metamaterials, and nanometrology. The ebook describes the simulation of electromagnetic waves in nanophotonic units and discusses tools of calculating the spatial modes of microstructured photonic crystal fibres—a quite new type of optical fibres with the houses of photonic crystals.

The e-book explains the idea of paraxial and non-paraxial laser beams with axial symmetry and an orbital angular momentum—called vortex beams—which are used for optical trapping and rotating micro- and nanoparticles in a hoop within the cross-sectional airplane of the beam. the ultimate bankruptcy discusses tools for calculating the strength and torque exerted by means of the electromagnetic box targeted onto the microparticle of arbitrary shape, whose dimensions are related with the wavelength of light.

Show description

Read Online or Download Diffractive Nanophotonics PDF

Best light books

Newton's Optical Writings: A Guided Study (Masterworks of Discovery)

Isaac Newton’s vintage writings on mild and optics are the center of this quantity within the sequence, Masterworks of Discovery: Guided experiences of serious Texts in technological know-how. The cutting edge sequence is geared toward making the nice works of clinical discovery available to scholars and lay readers.  for every quantity, extraordinary historians of technology have conscientiously chosen unique texts (or extracts) and followed them with interpretive observation, explanatory notes, and bio-bibliographical fabric.

Electron Microscopy in Heterogeneous Catalysis

Catalysis is among the most vital applied sciences within the commercial international, controlling greater than ninety% of commercial chemical strategies and crucial for large-scale creation of plastics and gasoline. Exploring the commonest kind of catalysis utilized in undefined, Electron Microscopy in Heterogeneous Catalysis offers a coherent account of heterogeneous catalytic methods and catalyst floor constitution on the atomic scale as elucidated via electron microscopy strategies.

Femtosecond optical frequency comb : principle, operation, and applications

Over the past few years, there was a convergence among the fields of ultrafast technology, nonlinear optics, optical frequency metrology, and precision laser spectroscopy. those fields were constructing principally independently because the delivery of the laser, achieving extraordinary degrees of functionality.

Additional resources for Diffractive Nanophotonics

Example text

To describe the propagation of paraxial optical fields that propagate in a small solid angle, we use the Fresnel integral transform. The complex amplitude of the paraxial light field is represented as: U ( x, y, z ) = eikz F ( x, y, z ). 87)   -∞ where F0 (x, y, z) = F(x, y, z = 0). 84), using a Taylor series expansion to the second term of the distance R in the exponent: 1/2 1  ( x - ξ )2 + ( y - η )2  . 87) is possible under the condition: 18 Diffractive Nanophotonics kr 4 << π , 8z3 where r is the effective radius of the light field.

2. 1. 1.  As shown in [7], this technique raises the order of approximation of the difference scheme of the initial boundary- value problem. 1. 5) ht , m ​​= 0.  Distances between nodes are given by the spatial (hz) and time (ht) grid steps. The grid value of of the dielectric constant (ek) characterizes the optical element being studied. 1 presents the location of nodes Dh1 in space, without taking into account the time coordinate. 5 e 0e k = . 2). By defining the Dirichlet boundary conditions for Dh1 , we set E xm0 = 0 and E xmK = 0 at % 0 ≤ m ≤ M.

Later on studies of the method aimed at overcoming its limitations. Thus, the beam propagation method, based on the method of lines, has made possible to perform simulations of light propagation in media with a more contrast refractive index profile [14] (J. Gerdes, 1991).  Huang, 1992). However, these methods are, in turn, limited as regards beam propagation: their application is incorrect if most of the energy is distributed at a considerable angle to the axis, considered as the main direction of propagation.

Download PDF sample

Rated 4.00 of 5 – based on 41 votes