Optimal design of photonic crystals 51

... propagation constant β Figure 5.1: Example of dispersion relation of a three-dimensional photonic crystal fiber The inset illustrates an example of the cross section of the waveguide βL and βR are the ... order β1 β2 propagation constant β Figure 5.2: Illustration of formulation II for the optimal design of single-mode single-polarization photonic crystal fiber The propagati...

Ngày tải lên: 10/09/2015, 15:53

... 8 .1 TE 64 × 64 19 .5% 61. 5% 19 .0% 1. 4 9.0 12 8 × 12 8 4. 9% 78 .4% 16 .7% 23.7 9.0 16 × 16 22.3% 57.3% 20 .4% 0.08 4. 0 32 × 32 22.0% 60.9% 17 .1% 0 .15 4. 5 TM 64 × 64 18 .5% 65 .1% 16 .4% 0.72 4 .1 128 × 12 8 ... (out of 10 runs) Jh 0 .42 3 .4 10 T E,2 Jh 2 .4 14 .1 T E,3 Jh 1. 7 7.7 T M,2 Jh 0. 81 5.0 T E ,4 Jh 2.9 14 .1 T M,3 Jh 1. 6 8 .4 T E,5...

Ngày tải lên: 10/09/2015, 15:52

... cases of the optimal design of photonic crystals, the following directions are of great interest for the further development of this field Band gap optimization of three-dimensional photonic crystals ... omnidirectional photonic band gap Applied Physics Letters, 77 :34 90, 2000 [32 ] J Ju, W Jin, and M.S Demokan Design of single-polarization single-mode photonic cr...

Ngày tải lên: 10/09/2015, 15:53

... band width Jh = 0.014 (β1 = 0.79); (middle) optimal configuration when only cladding is optimized, with band width ˆ Jh = 0.074 (β1 = 0.74); (right) optimal configuration when both cladding and

Ngày tải lên: 10/09/2015, 15:53

... List of Tables ix List of Figures xiii Introduction 1. 1 1 1 .1. 1 Photonic crystals 1. 1.2 Optimal design Scope 1. 2 .1 ... D 13 1 5.8 Optimal PCF structures and the field intensity, example E 13 2 xiii Chapter Introduction 1. 1 1. 1 .1 Background Photonic crystals Photonic crystals will grant us the control of light ... Single-Mode Photonic Crystal Fiber 5...

Ngày tải lên: 10/09/2015, 15:49

... The material parameters, cell design, and cell operating conditions that give optimal performance depend on the application area Stationary, portable, and transportation applications all have ... an optimal design for PEM fuel cells to generate maximum power The analysis helped identifying critical parameters and shed insight into the physical mechanisms leading to a f...

Ngày tải lên: 05/09/2013, 14:58

... solar panels It exhibit a payback of 3.13 years The addition of and m2 of solar panels (cases 2-3) increases solar fraction up to 30% but also payback to 8.7 years, since the greater daily saving ... reliability of panels in case of lateral impacts) APV ,V ,MAX = (2l + w )(h − 0.9 ) − 0.1 w l FIG - SIMPLIFIED SCHEME OF SOLAR CAR (LATERAL AND REAR VIEW) The maximum pane...

Ngày tải lên: 30/03/2014, 10:20

... geometrical model introduced for the uniform rectangular array (URA), which also incorporates the uniform linear array (ULA), we have investigated the optimal design for line -of- sight (LOS) channels ... include an analysis of the influence of nonoptimal design, and analytical expressions for the singular values of the LOS matrix are derived as a function of the quali...

Ngày tải lên: 22/06/2014, 19:20

... , in Figure 6, for setting B In this case, the optimal linear minimum length array consists, as obtained by both optimization criteria, by uniform 2.2 λ spaced antennas Optimal design of linear ... tackled the problem of optimal design of linear arrays in a cellular systems under the assumption of Gaussian interference Two design problems are consid...

Ngày tải lên: 22/06/2014, 19:20

... divides the set of samples such that all the points with the same class are on the same sides of the hyperplane Let wo and bo denote the optimum values of the weight vector and bias, respectively The ... are separated by an optimal hyperplane, which is bounded by W T X m ≥ and W T X m+1 < 0, i i when the output value is m Hence, the vector X m is called th...

Ngày tải lên: 22/06/2014, 23:20

... International Journal of Control, Automation and Systems, and Journal of Control Theory and Applications He is also a Member of the Editorial Board of IEE Proceedings on Control Theory and Applications ... and noise filtering design in transmultiplexer systems, ” Signal Processing, vol 43, no 1, pp 65–78, 1995 [16] Y.-M Cheng, B.-S Chen, and L.-M Chen, “Minimax deconv...

Ngày tải lên: 22/06/2014, 23:20

... to fabrication and characterization of colloidal crystals as three-dimensional photonic crystals The effects of surfactants on the structure of polystyrene colloidal crystals and the effects of ... introduction of the basics, the optical properties and the fabrication of photonic crystals, as well as the objectives and organization of this project It wil...

Ngày tải lên: 05/10/2015, 22:32

... through the structure The position of the PBG can be determined by selection of proper thicknesses and refractive indices Since we are interested in optical frequencies, the radius of the metallic ... when the resonance energy of the lower levels is within the band gap, the system is in an absorbing state However, when the resonance energy of the lower le...

Ngày tải lên: 22/06/2014, 00:20