A novel method for fabricating curved frequency selective surface via 3D printing technology

Fengchao Liang; Jinsong Gao

doi:10.1117/12.2071554

18 December 2014 A novel method for fabricating curved frequency selective surface via 3D printing technology

Fengchao Liang, Jinsong Gao

Author Affiliations +

Proceedings Volume 9295, International Symposium on Optoelectronic Technology and Application 2014: Laser Materials Processing; and Micro/Nano Technologies; 929513 (2014) https://doi.org/10.1117/12.2071554
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

A novel method for fabricating curved frequency selective surfaces with undevelopable curved shape using 3D printing technology was proposed in this paper. First, FSS composed of Y slotted elements that adapt to 0° ~ 70 ° incidences was designed. Then, the 3D model of the curved FSS was created in a 3D modeling software. Next, the 3D model was digitalized into stl format file and then the stl file was inputted into a stereo lithography 3D printer. Next, the prototype of the curved FSS was fabricated by the 3D printer layer by layer. Finally, a 10 μm thick aluminum film was coated on the outer surface of the prototype of the curved FSS by a vacuum coater. The transmission performance of the metallised curved FSS was tested using free space method. It was shown that frequency selection characteristic of the metallised curved FSS reached the requirements of simulation design. The pass-band was in the Ku-band and the transmission rate on center frequency was 63% for nose cone incident direction. This method provides a new way to apply the FSS to arbitrary curved electromagnetic window.

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Fengchao Liang, Fengchao Liang, Jinsong Gao, Jinsong Gao, "A novel method for fabricating curved frequency selective surface via 3D printing technology", Proc. SPIE 9295, International Symposium on Optoelectronic Technology and Application 2014: Laser Materials Processing; and Micro/Nano Technologies, 929513 (18 December 2014); doi: 10.1117/12.2071554; https://doi.org/10.1117/12.2071554

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