E Liu, W Tan, B Yan, J Xie, R Ge, J Liu - JOSA A, 2018 - opg.optica.org
… loss of 10 − 4 dB / km , and large effective mode area of over 16.2 μm 2 in a broadband of …
effective mode area in this PQF is discussed, assuming a deviation ± 3 % of all air holes. …