This paper was supported by the National Basic Research Program of China(2014CB046303).
Oblique cutting is a working condition in fully mechanized mining whose function is making it possible for coal shearer to cut coal wall.Coal shearer often exhibit large vibration amplitudes in oblique cutting since t...
supported by the“Hundred-Talent”Program of Chinese Academy of Sciences;the National Natural Science Foundation of China(No.61575214);the Shanghai Municipal Commission of Science and Technology(Nos.14530711300,15560722000,and 15ZR1447500);the National 973 Program of China(No.2014CB339803);the Major National Development Project of Scientific Instrument and Equipment(No.2011YQ150021)
We demonstrate the electrical beat note analysis and radio frequency (RF) injection locking of a continuous wave (cw) terahertz quantum cascade laser (QCL) emitting around 3 THz (-100 μm). In free running the...