financially supported by the National High Technology Research and Development Program of China(No.2016YFB0402201)
A large-mode-area(LMA) ytterbium-doped photonic crystal fiber(PCF) with core NA of 0.034 and core diameter of 50 μm was made by the stack-and-draw technique. The core is formed by Yb3+/Al3+/F-/P5+ co-doped silica...
supported by the National Basic Research Program of China(No.2011CB808101);the Chinese Academy of Science;the National Natural Science Foundation of China(Nos.11127901,10734080,61221064,60908008,and 61078037)
A mode-locked(ML)picosecond ytterbium-doped thin disk laser using a monolayer Mo S2as the saturable absorber(SA)is demonstrated.The monolayer MoS2 is fabricated through the method of low-pressure chemical vapor de...
supported by the National Natural Science Foundation of China(Nos.51272262 and 50911140475);the Ministry of Science and Technology of China(MOST)
Yb^3+ singly doped and Yb^3+/Al^3+co-doped high silica glass samples are prepared, and their luminescent properties are investigated. Al^3+ is considered as a beneficial activator for Yb^3+-doped glass. However, ...
A fiber laser system emitting high-quality ultrashort powerful light pulses is reported. The photonic crystal fiber featuring high-gain large -mode-core and short absorption length is used, and the fiber laser is pass...
supported by the Shanghai Rising Star Program (No. 09QB1401700);the National Natural Science Foundation of China (No. 60908011);the National High Technology Research and Development Program of China (No. 2008AA03Z405);the National Science and Technology Major Project and the CAS/SAFEA International Partnership Program for Creative Research Teams (No. 2010ZX04013)
We report a 1 018-nm ytterbium-doped double-clad fiber laser pumped by 970-nm diode. A pair of fiber Bragg gratings with refiectivities of 99.970 and 9% at a center wavelength of 1 018.9 nm are employed as cavity mirr...
A cascaded ytterbium-doped all-fiber master oscillator power amplifier(MOPA) with 1064-nm pulsed laser is demonstrated,and it can produce up to 20-W average power and 0.1-mJ pulse energy at tunable repetition rates ...
We report on hundred watts range ytterbium-doped all-fiber laser assembly based on the master oscillator power amplifier structure. It consisted of an oscillator and an amplifier with all-fiber components. And fiber f...
Ytterbium-doped yttrium oxysulfide (Yb:Y2O2S) has been synthesized by solid-state reaction with sulfide flux. Diffuse reflection and emission spectra have been measured in order to determine the crystal field split...
This work was supported by the National Major Fundamental Research Program(973)of China(No.61359020103);the National High Technology Research and Development Program(863)of China(No.2005AA802030).
Phase locking for two ytterbium-doped large-core fiber lasers has been demonstrated by using a selfimaging confocal resonator with a spatial filter. Steady high-contrast interference stripes are observed. The visibili...
This work was supported by the National Natural Sci- ence Foundation of China(No.60244005)by the Chinese Academy of Science,and partly by the shanghai science&Technology Foundations,
A ytterbium-doped double-clad fiber laser with more than 50-W output, near diffraction-limited is demonstrated in SIOM. The optical-to-optical efficiency is about 44% with respect to incident pump power and the slope ...