Infrared Chalcogenide Tube Waveguides

Croitoru, N.; Goldenberg, Eda; Mendleovic, D.; Ruschin, S.; Shamir, Nachum

doi:10.1117/12.961107

Cited by 8 publications

(15 citation statements)

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“…if its inner hollow surface (the core) is covered by a metallic layer and a dielectric overlayer. This layer structure enables us to transmit both the TE and TM polarization with low attenuation [4,5].…”

Section: Introductionmentioning

confidence: 99%

Influence of the Spot-Size and Cross-Section on the Output Fields and Power Density Along the Straight Hollow Waveguide

Menachem

Tapuchi²

2013

PIER B

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Abstract-This paper presents a rigorous approach for the propagation of electromagnetic (EM) fields along a straight hollow waveguide with a circular cross section. The objectives are to present the technique to calculate the dielectric profiles and their transverse derivatives in the inhomogeneous cross section of the cylindrical hollow waveguide, and to understand the influence of the spot-size and cross section on the output fields and output power density. The derivation is based on Maxwell's equations. The longitudinal components of the fields are developed into the Fourier-Bessel series. The transverse components of the fields are expressed as functions of the longitudinal components in the Laplace plane and are obtained by using the inverse Laplace transform by the residue method. The separation of variables is obtained by using the orthogonal-relations. These objectives contribute to the application of the model for the straight hollow waveguide.

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Section: Introductionmentioning

confidence: 99%

Influence of the Spot-Size and Cross-Section on the Output Fields and Power Density Along the Straight Hollow Waveguide

Menachem

Tapuchi²

2013

PIER B

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“…A different approach [5,7] treats the bending as a perturbation that couples the modes of a straight waveguide. That theory explains the large difference between the metallic and metallic-dielectric bent waveguide attenuation.…”

Section: Introductionmentioning

confidence: 99%

Analyzing Wave Propagation in Helical Waveguides Using Laplace, Fourier, and Their Inverse Transforms, and Applications

Menachem¹,

Tapuchi²

2013

Wave Propagation Theories and Applications

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“…Various methods of cylindrical hollow metallic or metallic with inner dielectric coating waveguide have been proposed in the literature [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. A review of the hollow waveguide technology [1,2] and a review of IR transmitting, hollow waveguides, fibers and integrated optics [3] were published.…”

Section: Introductionmentioning

confidence: 99%

Helical Waveguide With Two Bendings, and Applications

Menachem¹,

Tapuchi

2010

PIER B

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Abstract-This paper presents an improved approach for the propagation of electromagnetic (EM) fields along a helical hollow waveguide that consists of two bendings in the same direction. In this case, the objective is to develop a mode model for infrared (IR) wave propagation, in order to represent the effect of the radius of the cylinder of the helix and the step's angle on the output fields and the output power transmission. This model enables us to understand more precisely the influence of the step's angle and the radius of the cylinder of the helix on the output results of each section (bending). The output transverse components of the field, the output power transmission and the output power density for all bending are improved by increasing the step's angle or the radius of the cylinder of the helix, especially in the cases of space curved waveguides. This mode model can be a useful tool to improve the output results in all the cases of the helical hollow waveguides with two bendings for industrial and medical regimes.

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Infrared Chalcogenide Tube Waveguides

Cited by 8 publications

References 0 publications

Influence of the Spot-Size and Cross-Section on the Output Fields and Power Density Along the Straight Hollow Waveguide

Influence of the Spot-Size and Cross-Section on the Output Fields and Power Density Along the Straight Hollow Waveguide

Analyzing Wave Propagation in Helical Waveguides Using Laplace, Fourier, and Their Inverse Transforms, and Applications

Helical Waveguide With Two Bendings, and Applications

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