Properties of pulse single-frequency laser and extra-cavity double frequency green laser

2015 ◽  
Vol 8 (5) ◽  
pp. 800-805
Author(s):  
董磊 DONG Lei ◽  
刘欣悦 LIU Xin-yue ◽  
陈浩 CHEN Hao
Nanomaterials ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1995
Author(s):  
Yunjia Wang ◽  
Shunxiang Liu ◽  
Feng Zhu ◽  
Yiyu Gan ◽  
Qiao Wen

In recent years, the transition metal carbonitrides(MXenes) have been widely applied to photoelectric field, and better performance of these applications was achieved via MXene complex structures. In our work, we proposed a MXene core-shell nanosheet composed of a Ti2C (MXene) phase and gold nanoparticles, and applied it to mode-locked and single-frequency fiber laser applications. The optoelectronic results suggested that the performances of these two applications were both improved when MXene core-shell nanosheets were applied. As a result, we obtained a mode-locking operation with 670 fs pulses, and the threshold pump power reached to as low as 20 mW. Besides, a single-frequency laser with the narrowest linewidth of ~1 kHz is also demonstrated experimentally. Our research work proved that MXene core-shell nanosheets could be used as saturable absorbers (SAs) to promote versatile photonic applications.


1987 ◽  
Vol 87 (9) ◽  
pp. 5578-5579 ◽  
Author(s):  
Rainer A. Dressler ◽  
Henning Meyer ◽  
Andrew O. Langford ◽  
Veronica M. Bierbaum ◽  
Stephen R. Leone

2012 ◽  
Vol 9 (9) ◽  
pp. 674-677 ◽  
Author(s):  
L N Zhu ◽  
C Q Gao ◽  
R Wang ◽  
Y Zheng ◽  
M W Gao

2009 ◽  
Vol 5 (4) ◽  
pp. 263-264
Author(s):  
Hai-feng Lin ◽  
Jian-lin Chen ◽  
Shang-gong Yang
Keyword(s):  

2011 ◽  
Vol 19 (7) ◽  
pp. 6777 ◽  
Author(s):  
Jianli Liu ◽  
Zhiyong Wang ◽  
Hong Li ◽  
Qin Liu ◽  
Kuanshou Zhang

2013 ◽  
Vol 10 (6) ◽  
pp. 065101 ◽  
Author(s):  
A I Trikshev ◽  
A S Kurkov ◽  
V B Tsvetkov ◽  
S A Filatova ◽  
J Kertulla ◽  
...  

1994 ◽  
Vol 84 (6) ◽  
pp. 1991-2007 ◽  
Author(s):  
Jeffrey M. Babcock ◽  
Barry A. Kirkendall ◽  
John A. Orcutt

Abstract Observations of ocean bottom low-frequency noise and surface environmental data over a period of 27 days in the northern Atlantic during the SAMSON and SWADE experiments reveal how closely related the noise is to meteorological conditions. Double-frequency microseisms produced by nonlinear interactions of storm-induced surface gravity waves are especially evident in the frequency band 0.16 to 0.3 Hz and show a high variability in both amplitude and peak frequencies. Bifurcated at times, the peak that characterizes the microseism band contains local and distant or “teleseismic” components, which are generated at different locations. Weather and storm fetch appear to be the major contributions to the size and shape of microseism spectra. Storm development on the sea surface is associated with progressively lower microseism frequencies along with a concurrent increase in amplitude. The single-frequency microseism peak is a continuous feature and is observed to portray the same time-dependent spectral characteristics as the portion of the double-frequency peak associated with distant storms. Coherence studies confirm that both peaks (single and teleseismic double) originate at a distant source. These peaks are generated at roughly the same location with some storm component over the coastline.


2011 ◽  
Vol 38 (11) ◽  
pp. 1102011 ◽  
Author(s):  
朱韧 Zhu Ren ◽  
周军 Zhou Jun ◽  
刘继桥 Liu Jiqiao ◽  
陈迪俊 Chen Dijun ◽  
杨燕 Yang Yan ◽  
...  

2015 ◽  
Vol 42 (9) ◽  
pp. 0902010
Author(s):  
靳晓丽 Jin Xiaoli ◽  
苏静 Su Jing ◽  
靳丕铦 Jin Pixian ◽  
王文哲 Wang Wenzhe ◽  
彭堃墀 Peng Kunchi

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