Title :
Passively Q-Switched Nd:YAG Laser With Graphene Oxide in Heavy Water
Author :
Qiao Wen ; Xiaojun Zhang ; Yonggang Wang ; Yishan Wang ; Hanben Niu
Author_Institution :
Key Lab. of Optoelectron. Devices & Syst. of Minist. of Educ. & Guangdong Province, Shenzhen Univ., Shenzhen, China
Abstract :
Liquid saturable absorbers have some advantages in some aspects over solid saturable absorbers. In this paper, graphene oxide in heavy water (deuteroxide, D2O) dispersion was fabricated and used as absorber in Q-switched Nd:YAG laser for the first time, to the best of our knowledge. The shortest pulse width of the Q-switched laser is 523 ns, corresponding to a repetition rate of 92.9 kHz. The maximum peak power of Q-switched pulse is 6.6 W. Such a liquid absorber has the virtues of good optical transparency, high heat dissipation, and no contact damage.
Keywords :
Q-switching; graphene; heavy water; laser beams; neodymium; optical saturable absorption; solid lasers; transparency; CO; D2O; YAG:Nd; deuteroxide; frequency 92.9 kHz; graphene oxide; heat dissipation; heavy water; liquid absorber; optical transparency; passively Q-switched Nd:YAG laser; pulse width; repetition rate; Graphene; Laser excitation; Laser mode locking; Liquids; Optical fiber dispersion; Pump lasers; Semiconductor lasers; Lasers; Q-switching; nonlinear optical materials;
Journal_Title :
Photonics Journal, IEEE
DOI :
10.1109/JPHOT.2014.2309631
