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ICOP & ICPET 2017, 23 - : 1041-1044 Back to browse issues page
Performance Enhancement of Nanohole Array-based Plasmonic Color Filters for CMOS Image Sensors
Fatemeh Fooladi Mahani * 1, Arash Mokhtari 1
1- Shahid Bahonar University
Abstract:   (948 Views)

Color filters play a key role for applications like CMOS image sensors, liquid crystal displays and light emitting diodes. Using a nanohole array as a plasmonic color filter offers important advantages, in particular compatibility with CMOS processes. In this paper, a set of primary filters (red, green and blue) consisting of a square-lattice of
sub-wavelength holes in an aluminum film and a silicon dioxide substrate are presented for employing in CMOS image sensors. Despite their simple structure and ease of fabrication, the results have shown a transmission peak of 30-67 percent with a FWHM of 40 nm, 50 nm and 105 nm in accurate wavelengths of red, green and blue, respectively. Furthermore, reducing the cross-talk of the filters is investigated by utilizing a silicon dioxide overlay to enhance the coupling of SPPs at both sides of the aluminum film.

Keywords: Plasmonic color filters, Nanohole array, Extraordinary transmission, CMOS image sensors, SPPs
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Type of Study: Research | Subject: Special
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Fooladi Mahani F, Mokhtari A. Performance Enhancement of Nanohole Array-based Plasmonic Color Filters for CMOS Image Sensors . ICOP & ICPET. 2017; 23 :1041-1044
URL: http://opsi.ir/article-1-1210-en.html


Volume 23 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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