Tefelska, Marzena Maria, Sławomir Ertman, Tomasz Woliński, Roman Dąbrowski, and Paweł Mergo. “Tunable Filter Based on Two Cascaded Photonic Liquid Crystal Fibers”. Photonics Letters of Poland 5, no. 1 (March 28, 2013): pp. 14–16. Accessed March 28, 2024. https://www.photonics.pl/PLP/index.php/letters/article/view/5-6.