Cold atom long-distance transfer device based on electric focusing lens

• Main Authors: ZHANG DONGFANG, LI RUIZONG, JIANG KAIJUN, HAN GUANGWEN
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: GAMMA RAY OR X-RAY MICROSCOPES; IRRADIATION DEVICES; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; PHYSICS; TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR

The utility model discloses a cold atom long-distance transfer device based on an electric focusing lens, which comprises a laser power adjusting device and an optical transfer system, the optical transfer system comprises a second optical fiber collimator, a fourth reflector, a second half-wave plate, a polarization splitting prism, a first black body, a second black body, a second quarter-wave plate, a fifth reflector, a sixth reflector, an electric focusing lens, a third quarter-wave plate, a fixed focus lens, a seventh reflector, an eighth reflector and an experimental cavity. According to the utility model, atoms in any internal state can be transferred by using the optical trap, large coil current of a magnetic field does not need to be controlled, no mechanical motion device is arranged, and interference of electromagnetic noise and vibration generated by a motor on a system is avoided. 本实用新型公开了一种基于电动调焦透镜的冷原子长距离转移装置，包括激光功率调节装置和光学转移系统，光学转移系统包括第二光纤准直器、第四反射镜、第二二分之一波片、偏振分光棱镜、第一黑体、第二黑体、第二四分之一波片、第五反射镜、第六反射镜、