Diffraction Gratings
Multilayer porous silicon diffraction gratings operating in the infrared
... Diffraction gratings built from porous silicon (PS) have enormous potential to produce highly sensitive and rapid detection of analytes ...Planar gratings respond to changes in the near surface ...
8
Rayleigh-Bloch waves along elastic diffraction gratings
... the diffraction grating and this effect could be used to filter or guide waves of specific frequency: see figure 8, wherein the removal of two voids within the grating leads to a confinement of the RB wave in the ...
19
Method for Measurement of Multi Degrees of Freedom Motion Parameters Based on Polydimethylsiloxane Cross Coupling Diffraction Gratings
... This work presents a multi-degrees-of-freedom motion parameter measurement method based on the use of cross- coupling diffraction gratings that were prepared on the two sides of a polydimethylsiloxane ...
8
Modeling of phase relief of holographic diffraction gratings: application to self-developing photopolymers
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9
Modal expansion theories for singly periodic diffraction gratings
... Zero order efficiency as a function of wavelength for the bottle grating in a normal incidence mounting... Figures 4.4 - 4.7 S polarization efficiency spectra for a bottle grating of uni[r] ...
197
Modal expansion theories for singly periodic diffraction gratings
... TABLE 3.2 For S polarization and a -1 Littrow mounting, real-wavelength pole positions Ap and blaze wavelengths AB are tabulated as a function of groove depth h for the lamellar, sinusoi[r] ...
186
Modal expansion theories for singly periodic diffraction gratings
... spectral performance of the semi-circular groove grating, while the second is applied, not only to this grating, but also to the triangular and sinusoidal groove gratings.... I would lik[r] ...
10
Theories of singly and doubly periodic diffraction gratings
... The first author to avoid its use was Petit [1.13] who derived an integral equation treatment for the problem of the diffraction of a plane wave by a perfectly conducting grating.. In hi[r] ...
518
Analysis of Diffraction Graphene Gratings Using the C-Method and Design of a Terahertz Polarizer
... the diffraction graphene ...multilayer gratings with the graphene sheets at the interface between two ...graphene diffraction gratings accurately, and results are in good agreement with EM ...
12
Nondestructive Evaluation Of Corrosion Damage In Reinforced Concrete Aged Slab Specimen
... (BS), diffraction gratings (G1 and G2), imaging lens (placement shown in Figure ...The diffraction of the heterodyned wavelengths produces crossing wave-fronts at the ...grooves/mm diffraction ...
44
Programmable liquid crystal waveplate polarization gratings as elements for polarimetric and interference applications
... Polarization diffraction gratings (PDG) are diffraction gratings based on creating a periodic spatial change of the state of polarization of an incident beam of ...these gratings [1], ...
5
A high-performance Test-Bed Dedicated for Responsivity Measurements of Infrared Photodetectors in a Wide Band of Low Temperatures
... The components of this module include two voltage sources, two radiation sources in the infrared band, a monochromator equipped with three diffraction gratings and micrometer driven a[r] ...
6
Thin high numerical aperture metalens
... subwavelength gratings, with each grating rotating the electric vector of the normally incident linearly polarized beam by a pregiven ...different diffraction gratings, which rotated the polarization ...
9
Optical Spectrometer with Acousto Optical Dynamic Grating for Guillermo Haro Astrophysical Observatory
... static diffraction gratings as dis- persive ...static gratings with slit-densities 150 - 600 lines/mm and optical apertures 9 cm × 9 cm that provide the first order spectral resolution from ...static ...
9
The diversity and implications of animal structural colours
... and diffraction gratings is indicative of the similarity of the physical nature of the two reflector ...A diffraction grating, in contrast, separates the incident wave into many waves that propagate ...
5
The Casimir force for 2d sinusoidal gratings
... the gratings are defined by frequency dependent ...2d gratings, periods of the gratings in a selected spatial direction coincide though they may di ff er in orthogonal directions ...
6
Modelling of photonic wire Brag Gratings
... Abstract. Some important properties of photonic wire Bragg grating structures have been investigated. The design, obtained as a generalisation of the full-width gap grating, has been modelled using 3D finite-difference ...
16
Dye lasers with induced Bragg gratings
... the diffraction efficiency is a function of the product of strain and interaction ...wave gratings does not apply to stationary gratings, therefore a long interaction length can be used to compensate ...
198
Minireview on diffraction
... The results for total, elastic, and single- di ff ractive cross sections, calculated for the bare pomeron (meaning the Born amplitude without saturation e ff ects) are shown in fig. We see [r] ...
8
Scattering formalism in the Casimir interaction of gratings and Chern-Simons layers
... 1d gratings which are periodic in a direction x with a period d and separated by a vacuum slit L which is a minimum distance between the ...the gratings are defined by frequency dependent permittivities, ...
6