National Natural Science Foundation of China(91420203,61605008,61905014,51735002)。
A remarkable feature of Alvarez lenses is that a wide focal length tuning range can be achieved using lateral displacement rather than commonly used axial translation,thus,reducing the overall length of varifocal imag...
National Natural Science Foundation of China(61775049,61575052)。
Laser absorption spectroscopy(LAS) has become the most widely used laser spectroscopic technique for gas detection due to its capability of accurate quantification and straightforward operation. However, since resolvi...