The broadband laser source and an active beam stabilization device for laser calibration systems

作     者：Yang Wang Lei Xie Qinning Sun Long Chen Fengrong Zhu Yong Zhang 

作者机构：School of Physical Science and TechnologySouthwest Jiaotong UniversityChengdu 611756China Key Laboratory of Particle AstrophysicsInstitute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China 

出 版 物：《Radiation Detection Technology and Methods》 (辐射探测技术与方法（英文）)

年 卷 期：2023年第7卷第3期

页      面：364-371页

核心收录：

学科分类：080901[工学-物理电子学] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 0807[工学-动力工程及工程热物理] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 0827[工学-核科学与技术] 0703[理学-化学] 0803[工学-光学工程] 0702[理学-物理学] 0801[工学-力学（可授工学、理学学位）] 

基　　金：This work is supported by the funding from National Development and Reform Commission in China(Q110522S07001) It is also supported by NSFC(12105233) by National Key R&D program of China(2018YFA0404201) 

主　　题：Laser calibration Spectral broadening Beam stabilization 

摘      要：Purpose Currently,the calibration for astronomical telescopes requires a broadwavelength range of several hundred ***,a simple and compact wavelength broadening device is applied to generate a variety of *** addition,a beam stabilization system is designed to automatically correct the beam deviation due to vibration and temperature *** We broaden the laser spectrum by nonlinear effect between the noble gas in a hollow-core fiber and the laser electric *** selecting the species and pressure of the noble gases,one can control the spectral *** active beam stabilization system consists of two mirror mounts with motorized actuators and two CCD *** acquiring the centroid of the laser beam and comparing it with the target position,an algorithm is implemented to correct the beam *** Both experimental and simulation results show that the spectral range of the laser is greatly ***,we have attained the phase of *** parameters can be used to monitor the laser’s running status over *** active stabilization system can quickly correct the deviation of beam pointing and simultaneously obtain the beam profile,allowing for nominally perfect control of the *** In our design,both the broadband laser source and beam stabilizer are involved in the laser calibration system,providing us with various wavelengths and a high-precision pointing with outstanding intrinsic long-term stability.