Baghdasaryan, Tigran, Thomas Geernaert, Pawel Mergo, Francis Berghmans, and Hugo Thienpont. “Transverse Propagation of Ultraviolet and Infrared Femtosecond Laser Pulses in Photonic Crystal Fibers”. Photonics Letters of Poland 4, no. 2 (June 27, 2012): pp. 72–74. Accessed April 30, 2025. http://www.photonics.pl/PLP/index.php/letters/article/view/4-26.