BeijingGKLaserTechnologyCo. Ltd.Beijing 100085 China//AcademyofOptoelectronics ChineseAcademyofSciences Beijing 100080 China//ChineseOpticalSociety Beijing 100080 China;
BeijingGKLaserTechnologyCo. Ltd.Beijing 100085 China//AcademyofOptoelectronics ChineseAcademyofSciences Beijing 100080 China;