240  W high-average-power square-shaped nanosecond all-fiber-integrated laser with near diffraction-limited beam quality

2014 ◽  
Vol 53 (28) ◽  
pp. 6409 ◽  
Author(s):  
Hailong Yu ◽  
Rumao Tao ◽  
Xiaolin Wang ◽  
Pu Zhou ◽  
Jinbao Chen
Keyword(s):  
Beam Quality ◽  
Average Power ◽  
High Average Power

High-average-power high-beam-quality vis-UV sources based on kinetically enhanced copper vapor lasers

2000 ◽  
Author(s):  
Daniel J. W. Brown ◽  
Michael J. Withford ◽  
Robert J. Carman ◽  
Richard P. Mildren ◽  
James A. Piper
Keyword(s):  
Beam Quality ◽  
Average Power ◽  
High Average Power ◽  
High Beam ◽  
Copper Vapor ◽  
Copper Vapor Lasers ◽  
High Beam Quality

scholarly journals Monolithic high-average-power linearly polarized nanosecond pulsed fiber laser with near-diffraction-limited beam quality

2018 ◽  
Vol 6 ◽  
Author(s):  
Long Huang ◽  
Pengfei Ma ◽  
Daren Meng ◽  
Lei Li ◽  
Rumao Tao ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Output Power ◽  
Linear Polarization ◽  
Beam Quality ◽  
Average Power ◽  
Narrow Linewidth ◽  
High Average Power ◽  
Maximal Output Power ◽  
Maximal Output ◽  
Pulsed Fiber Laser

An all-fiberized high-average-power narrow linewidth ns pulsed laser with linear polarization is demonstrated. The laser system utilizes a typical master oscillator power amplifier (MOPA) configuration. The stimulated Brillouin scattering (SBS) is effectively suppressed due to the short fiber length and large mode area in the main amplifier, combined with the narrow pulse duration smaller than the phonon lifetime of SBS effect. A maximal output power of 466 W is obtained with a narrow linewidth of ${\sim}$203.6 MHz, and the corresponding slope efficiency is ${\sim}$80.3%. The pulse duration is condensed to be ${\sim}$4 ns after the amplification, corresponding to the peak power of 8.8 kW and the pulse energy of $46.6~\unicode[STIX]{x03BC}\text{J}$. Near-diffraction-limited beam quality with an $M^{2}$ factor of 1.32 is obtained at the output power of 442 W and the mode instability (MI) is observed at the maximal output power. To the best of our knowledge, this is the highest average output power of the all-fiberized narrow linewidth ns pulsed fiber laser with linear polarization and high beam quality, which is a promising source for the nonlinear frequency conversion, laser lidar, and so on.

High average power, strictly all-fiber supercontinuum source with good beam quality

2011 ◽  
Vol 36 (14) ◽  
pp. 2659 ◽  
Author(s):  
Xiaohong Hu ◽  
Wei Zhang ◽  
Zhi Yang ◽  
Yishan Wang ◽  
Wei Zhao ◽  
...  
Keyword(s):  
Beam Quality ◽  
Average Power ◽  
High Average Power ◽  
Good Beam Quality

Beam quality and efficiency of high-average-power multirod lasers

1992 ◽  
Vol 24 (2) ◽  
pp. 67-72 ◽  
Author(s):  
M. Kumkar ◽  
B. Wedel ◽  
K. Richter
Keyword(s):  
Beam Quality ◽  
Average Power ◽  
High Average Power
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