Pysz D, Stepien R, Kujawa I, Kasztelanic R, Martynkien T, Berghmans F, et al. Development of silicate hollow core photonic crystal fiber. Photonics Lett. Pol. [Internet]. 2010 Mar. 30 [cited 2024 Nov. 20];2(1):pp. 7-9. Available from: http://m.photonics.pl/PLP/index.php/letters/article/view/2-3