光学学报, 2020, 40 (1): 0111013, 网络出版: 2020-01-06
基于符合计数的极弱光强度关联干涉测量研究 下载: 1392次
Research on Intensity-Correlated Interferometry with Ultra-Weak Light Based on Coincidence Counting
图 & 表
图 2. 极弱光强度关联干涉测量实验光路。(a)光路方案;(b)照片
Fig. 2. Experimental optical path of intensity-correlated interferometry with ultra-weak light. (a) Optical path; (b) photograph
图 3. 符合曲线。(a)不同探测间距的符合计数;(b)符合计数高斯拟合曲线
Fig. 3. Coincidence curves. (a) Coincidence counts at different detecting intervals; (b) Gaussian fitting curve of coincidence counts
图 4. 不同角直径模拟源的二阶干涉条纹结果
Fig. 4. Second-order interference fringes of simulated sources with different angular diameters
图 5. 相对统计误差与通道平均计数的关系
Fig. 5. Relationship between relative statistical error and average channel counts
图 6. 固定最大符合计数的测量结果。(a)固定最大符合计数的强度关联值;(b)固定最大符合计数的测量时间及光通量
Fig. 6. Measurement results of fixed maximum coincidence counts. (a) Intensity correlation values with fixed maximum coincidence counts; (b) measurement time and photon flux with fixed maximum coincidence counts
图 7. 固定测量时间的测量结果。(a)固定测量时间的强度关联值;(b)固定测量时间的相对统计误差
Fig. 7. Measurement results of fixed measurement time. (a) Intensity correlation values with fixed measurement time; (b) relative statistical errors with fixed measurement time
韦震, 陆荣华, 喻虹, 谈志杰, 朱瑞国, 韩申生. 基于符合计数的极弱光强度关联干涉测量研究[J]. 光学学报, 2020, 40(1): 0111013. Zhen Wei, Ronghua Lu, Hong Yu, Zhijie Tan, Ruiguo Zhu, Shensheng Han. Research on Intensity-Correlated Interferometry with Ultra-Weak Light Based on Coincidence Counting[J]. Acta Optica Sinica, 2020, 40(1): 0111013.