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Affichage de 3011 à 3020 sur 15923

  • Chapitre d'ouvrage

21 - Layered Photonic Crystals with Left-Handed Materials

Abdellatif Akjouj, El Houssaine El Boudouti, L. Dobrzynski, Bahram Djafari-Rouhani

We theoretically investigate the photonic band structure of layered photonic crystals composed of alternating layers of right- and left-handed materials (RHMs and LHMs). The dispersion curves are mainly studied by assuming that the dielectric permittivity and magnetic permeability are constant in…

Photonics, Part Three: Photonic Materials, Elsevier, pp.587-621, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00032-0⟩. ⟨hal-03360012⟩

  • Chapitre d'ouvrage

4 - Open loop examples

Housni Al Wahsh, L. Dobrzynski, Abdellatif Akjouj, El Houssaine El Boudouti

The simplest general robust zero is the middle of an open loop. When the middles of several free-end open loops of the same length are superposed, their antisymmetric eigenfunctions remain unperturbed and the final network has several degenerate states. The next three examples take into account…

Photonics, Part one : photonic paths, Elsevier, pp.33-49, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00013-7⟩. ⟨hal-03350831⟩

  • Chapitre d'ouvrage

5 - Closed loop examples

Housni Al Wahsh, L. Dobrzynski, Abdellatif Akjouj, El Houssaine El Boudouti

The specific properties of closed loop eigenfunctions deserve to be better understood. This chapter underlines that responses in closed loops differ from the responses in open loops. Within the following simple examples, constructed on closed loop robust zeros, many path states are found.A robust…

Photonics, Part one : photonic paths, Elsevier, pp.51-97, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00014-9⟩. ⟨hal-03350839⟩

  • Chapitre d'ouvrage

6 - Closed loop and stubs

L. Dobrzynski, Housni Al Wahsh, Abdellatif Akjouj, Cécile Ghouila-Houri, Abdelkrim Talbi, Gaëtan Lévêque, El Houssaine El Boudouti

Closed loops with finite open loops attached to the robust zeros of one of their two twin states are the systems investigated in this chapter. Such attached finite loops are called stubs. For simplicity, here only the cases where all the stubs have the same length are considered. This length is…

Photonics, Part one: photonic paths, Elsevier, pp.99-131, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00015-0⟩. ⟨hal-03350849⟩

  • Article dans une revue

A linearized analog microwave photonic link with an eliminated even-order distortions

Taimur Nazir Mirza, Shyqyri Haxha, Iyad Dayoub

An improved linearized analog microwave photonic link (AMPL) with significant multioctave bandwidth performance is experimentally presented. The proposed AMPL configuration is based on a double dual-parallel Mach–Zehnder modulator and a differential balanced photodetector (BPD). Explicitly, a…

IEEE Systems Journal, 2021, 15 (4), pp.4843 - 4851. ⟨10.1109/JSYST.2021.3051394⟩. ⟨hal-03383630⟩

  • Ouvrages

Photonics

Leonard Dobrzynski

Photonics, a volume in the Interface Transmission Tutorial Book series, describes the science of photonic transmission properties of the interfaces of composite materials systems and devices. The book's authors review the general analysis methods of interface transmission, give many examples,…

Elsevier, A volume in Interface Transmission Tutorial Book Series, 689 p., 2021, ISBN 978-0-12-819388-4. ⟨10.1016/C2018-0-05409-2⟩. ⟨hal-04085468⟩

  • Article dans une revue

Three-dimensional trapping and dynamic axial manipulation with frequency-tuned spiraling acoustical tweezers: a theoretical study

Zhixiong Gong, Michael Baudoin

Holographic acoustical tweezers based on Archimedes-Fermat spiraling interdigitated transducers (SIDTs) are a versatile tool for the selective manipulation of microparticles [Baudoin et al., Sci. Adv. 5, eaav1967 (2019)] and cells [Baudoin et al., Nat. Commun., 11, 4244 (2020)] in a standard…

Physical Review Applied, 2021, 16 (2), pp.024034. ⟨10.1103/PhysRevApplied.16.024034⟩. ⟨hal-03329983⟩

  • Article dans une revue

MEMS High Temperature Gradient Sensor for Skin-Friction Measurements in Highly Turbulent Flows

Cécile Ghouila-Houri, Abdelkrim Talbi, Romain Viard, Quentin Gallas, Eric Garnier, Pascal Molton, Jerome Delva, Alain Merlen, Philippe Pernod

This paper presents and discusses the results obtained with a MEMS (Micro-Electro-Mechanical System) high temperature gradient sensor for time-averaged and fluctuating skin-friction measurements in highly turbulent flows. Designed as a robust wall-mounted suspended hot-wire structure, the micro-…

IEEE Sensors Journal, 2021, 21 (8), pp.9749-9755. ⟨10.1109/JSEN.2020.2991785⟩. ⟨hal-03229029⟩

  • Communication dans un congrès

Wind tunnel integration of Micro-Magneto-Mechanical Systems (MMMS) microvalves for flow control experiments

Thomas Arnoult, Colin Leclercq, Cécile Ghouila-Houri, Aurélien Mazzamurro, Manon Benedito, Romain Viard, Quentin Gallas, Eric Garnier, Denis Sipp, Abdelkrim Talbi, Philippe Pernod

Flow control techniques can be defined as methods changing a flow natural dynamics. The control of a flow can be achieved with actuators affecting the flow momentum. Therefore, a MMMS microvalve was designed and characterized. The micro-actuators have then been integrated to a wind tunnel on the…

Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2021, Aug 2021, Paris, France. pp.01-03, ⟨10.1109/DTIP54218.2021.9568496⟩. ⟨hal-03587640⟩

  • Communication dans un congrès

High temperature gradient micro-sensors for skin-friction measurement in flow control applications

Cécile Ghouila-Houri, Manon Benedito, Eric Garnier, Abdelkrim Talbi, Aurélien Mazzamurro, Romain Viard, Alain Merlen, Philippe Pernod, Thomas Arnoult, Quentin Gallas

Robust micro machined high temperature gradient calorimetric (HTGC) transducers were designed and developed for flow separation control. Based on thermal principle, the transducers measure the amplitude and the sign of skin friction, making them particularly useful for flow separation detection. A…

2021 Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2021, Aug 2021, Paris, France. ⟨10.1109/DTIP54218.2021.9568681⟩. ⟨hal-03541940⟩

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