State Key Laboratory of Aerodynamics,China Aerodynamics Research and Development Center,Mianyang 621000,China;
Low Speed Aerodynamics Institute,China Aerodynamics Research and Development Center,Mianyang 621000,China;
Interdisciplinary Center for Quantum Information,National University of Defense Technology,Changsha 410073,China;
red; filter; AOM; Compact external cavity diode laser for quantum experiments;