国家/地区 中国（4）
IPC部 H（3）
IPC大类 H01（3）
IPC小类 H01S（3）
IPC H01S003/067（3） H01S003/098（2）
发明人 LIU J（4） WANG P（3）
公开年 2011（4）
申请年 2011（4） 
专利权人 UNIV BEIJING TECHNOLOGY（4）

Graphene passive Q-nanosecond impulse fiber laser for non-linear optical field, has saturable absorber graphene saturable absorber made from oxidized graphite alkene and graphite alkene polymer.

LIU J, WANG P

Graphene passive mode-locking laser has polarization controller that is connected with signal end of wavelength division multiplexer.

LIU J, WANG P

Graphene passive mode-locking optical fiber laser, has wave division multiplexing optical fiber coupler, gain and single-mode optical fibers, output coupler, circulator, and polarization controller that forms annular cavity structure.

LIU J, WANG P, XU J

Single layer graphene preparation includes expanding graphite oxide, adding anhydrous ethanol to disperse the graphite, performing ultrasonic treatment, adding hydrazine hydrate, and performing hydrothermal reaction.

WANG H, YAN H, ZHU M, LIU J, ZHANG Y, WU C