Marczak, Jan Andrzej, Antoni Rycyk, Antoni Sarzyński, Marek Strzelec, and Krzysztof Czyż. “The Nd:YAG Dual-Channel Laser System With Q - Modulation for Direct Interference Lithography”. Photonics Letters of Poland 6, no. 1 (March 31, 2014): pp. 44–46. Accessed November 23, 2024. http://photonics.pl/PLP/index.php/letters/article/view/6-16.