Vol. 97

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2020-10-10

Flexible Frequency Selective Surface in Convoluted Square Form with Microstrip Patch for X-Band Application

By Palniladevi Paulpandian and Priya Dharshini Ramaraj
Progress In Electromagnetics Research M, Vol. 97, 97-106, 2020
doi:10.2528/PIERM20082002

Abstract

This article reports a very efficient Frequency Selective Surface (FSS) with Convoluted Square Loop (CSL) shape is designed for applications in the X-band. They are designed on the surfaces of an FR-4 substrate. Frequency selective surface (FSS) is a combination of a periodic structure designed to selectively absorb, reflect, and transmit the electromagnetic (EM) waves. FR-4 material provides durability and flexibility. A convoluted square loop structure reduces the size of the unit cell, and it also has a better stability with good gain. So, a CSL patch with a CSL FSS array with a slot on dual FR4 substrates is introduced for the improvement in overall gain and bandwidth. As per the design parameters, a structure is designed at 10GHz. This structure is designed with ANSYS HFSS. The proposed antenna structure has a return loss of -36.424 db, and VSWR value is 1.0307. The measurement results show a gain improvement of 6.266db and bandwidth of 5.882 db.

Citation


Palniladevi Paulpandian and Priya Dharshini Ramaraj, "Flexible Frequency Selective Surface in Convoluted Square Form with Microstrip Patch for X-Band Application," Progress In Electromagnetics Research M, Vol. 97, 97-106, 2020.
doi:10.2528/PIERM20082002
http://www.jpier.org/PIERM/pier.php?paper=20082002

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