8の字形レーザー
Agrawal, G. P. (2008). Applications of nonlinear fiber optics. Optics and Photonis Series. 10 (2nd ed.). Academic Press. ISBN 978-0-12-374302-2
Fermann, M. E.; Galvanauskas, A.; Sucha, G., eds (2002). Ultrafast Lasers: Technology and Applications. CRC Press. ISBN 978-0-8247-4349-9