“快,快!再不走快一点,就没有座位!”4月24日傍晚18时40分,离正式上课还有20分钟,江西环境工程职业学院一群学生争前恐后涌往学术报告厅。 在学术报告厅即将进行的并不是一场学术讲座,而是学校课程改革后的思政课《形势与政策》。18时50分,设有近200个座位的学术报告厅,空位已经所剩无几,学生们拿出笔记本,准备听课。 这种以往在思政课上少见的场景,今年2月下旬以来,在江西环境工程职业学院的《
A novel method is developed to obtain 1.05μm laser operation with a Yb:YAG laser. By using a Yb:YAG crystal with proper length and doping concentration, a femt
Coherent beam combination of throe W-level fiber amplifiers with multi-dithering technique is demonstrated. The multi-dithering technique is used for phase cont
Effects of atmospheric turbulence tilt, defocus, astigmatism and coma aberrations on the orbital angular mo-mentum measurement probability of photons propagatin
根据导纳的基本条件建立了不可逆电极过程在电极电位以外还受到另一个或两个随电位变化的状态变量控制时的Faraday导纳的数学模型,即表达式(a)和(b):并证明(a)式中的参数α必
A laser-diode end-pumped Nd:YV04 slab laser with a fiat-concave stable cavity at 1342nm is demonstrated. Under the pumping power of 92 W, a cw laser of output 1
An optical temperature sensor based on infrared-to-visible upconversion emission in Er3+/Yb3+ co-doped Bi3 TiNb O9(BTN) ceramics is reported.The fluorescence in
We propose a method to prepare multipartite entangled states such as cluster states and graph states based on the cavity input-output process and single photon