Y. Seno

All-polarization-maintaining Er-doped ultrashort-pulse fiber laser using carbon nanotube saturable absorber.

K. Itoh, H. Kataura, N. Nishizawa, 2008, Optics express.

Toroidal pinch experiments with a perforated shell‐type coil

T. Hamajima, J. Irisawa, I. Hayashi, 1978 .