COHERENT 3×3 PLANAR ARRAY OF WATER-LOADED BOX-HORNS FOR HYPERTHERMIA TREATMENT OF CANCER

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GUPTA R.C.; SINGH S.P.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE) Year:2006 | Volume:5 | Issue:1 Page(s): 40-44

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Title

COHERENT 3×3 PLANAR ARRAY OF WATER-LOADED BOX-HORNS FOR HYPERTHERMIA TREATMENT OF CANCER

Author(s)

GUPTA R.C. | SINGH S.P. | Issue Writer Certificate

Keywords

CANCER

HYPERTHERMIA

PLANAR ARRAY OF BOX-HORNS

SPECIFIC ABSORPTION RATE (SAR)

Abstract

In this paper, the authors have proposed a 3×3 planar array of water-loaded box-horns for HYPERTHERMIA treatment of tumor. The box-horn consists of a TE10 mode H-plane sectoral-horn coupled to a length L of rectangular waveguide of same E-plane height but whose H-plane width is large enough to support the TE30 mode. Thus box-horn supports TE10 and TE30 modes resulting in relatively uniform amplitude distribution over the H-plane of the aperture to prevent steep heating gradient in bio-medium. Expression for electric field in muscle due to PLANAR ARRAY OF BOX-HORNS is derived using two different techniques, i.e., Fresnel-Kirchhoff scalar diffraction field theory and plane wave spectral technique. SAR distributions in different planes of heating medium due the array applicator are evaluated at 2.45 GHz using these techniques. The results for SAR distribution of the PLANAR ARRAY OF BOX-HORNS are also compared with those for single box-horn. The results for SAR distribution in z-direction demonstrate that tumor at greater depth can be heated with the PLANAR ARRAY OF BOX-HORNS due to increased penetration depth in comparison to a single box-horn. Also planar array has wider area of illumination and higher peak value of SAR in both x- and y-directions as compared with a single box-horn. It is shown that the results obtained by these two techniques are in agreement with each other.

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APA: Copy

GUPTA, R.C., & SINGH, S.P.. (2006). COHERENT 3×3 PLANAR ARRAY OF WATER-LOADED BOX-HORNS FOR HYPERTHERMIA TREATMENT OF CANCER. IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE), 5(1), 40-44. SID. https://sid.ir/paper/283393/en

Vancouver: Copy

GUPTA R.C., SINGH S.P.. COHERENT 3×3 PLANAR ARRAY OF WATER-LOADED BOX-HORNS FOR HYPERTHERMIA TREATMENT OF CANCER. IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE)[Internet]. 2006;5(1):40-44. Available from: https://sid.ir/paper/283393/en

IEEE: Copy

R.C. GUPTA, and S.P. SINGH, “COHERENT 3×3 PLANAR ARRAY OF WATER-LOADED BOX-HORNS FOR HYPERTHERMIA TREATMENT OF CANCER,” IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE), vol. 5, no. 1, pp. 40–44, 2006, [Online]. Available: https://sid.ir/paper/283393/en

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