l Education

09/2007 – 01/2012 Ph.D(Optics)Department of Physics, Northwest University, China

Thesis:Investigation on Four-wave mixing Spectrometry and Its Application on Isotope Analysis

Advisor:Prof. Jintao Bai (E-mail: baijt@nwu.edu.cn)

09/2003/ – 07/2007 BS(Optical Information & Technologies)Department of Physics, Northwest University, China

Thesis:The Application of THz Time-domain Spectroscopy in Biology

Advisor:Prof. Laike Tian

l Journal Publications

1) Xuemei Cheng, Zhaoyu Ren, Jian Wang, Yizhu Miao, Xinlong Xu, Lajiang Jia, Haiming Fan, Jintao Bai, “Quantitative measurement of rubidium isotope ratio using forward degenerate four-wave mixing”,Spectrochimica Acta Part B, 90, pp 39–44, 2012

2)Xuemei Cheng, Yigang Du, Yanpeng Zhang, Zhiguo Wang, Yizhu Miao, Zhaoyu Ren, Jintao Bai, “Polarization off our-wave mixing with electromagnetically induced transparency”,Optics Communications, 285, pp 4507–4514, 2012

3) CHENG Xue-Mei, CHEN Hao-Wei, WANG Jian, MIAO Yi-Zhu, YIN Xun-Li, REN Zhao-Yu, BAI Jin-Tao, “Resolution for Forward and Phase-Conjugate Degenerate Four-Wave Mixing in Hot Atomic Media”,Chinese Physics Letter,29, pp 074212, 2012

4) CHENG Xue-Mei, REN Zhao-Yu, YIN Xun-Li, FEI-Kun, BAI Jin-Tao,,

“Trace Isotope Analysis of Rubidium, Cesium and Potassium with Degenerate Four-Wave Mixing Method”,Optics and Precision Engineering,21(8)，pp1923-1928, 2013

5) X Cheng, Y Miao, H Chen, X Zheng, X Yin, J Bai, and Z Ren, “Saturated absorption spectroscopy with limited crossovers by use of copropagating beams configuration”,Journal of Optcis, accepted.

6) Xunli Yin,Xuemei Cheng, Kun Fei, Jintao Bai, Zhaoyu Ren, "Measurement of 7Li/6Li isotope ratio using phase-conjugate degenerate four-wave mixing in a graphite furnace",Journal of Selected Topics in Quantum Electronics, 21, No. 1, 2014.

7) Xunli Yin,Xuemei Cheng, Zhaoyu Ren, Xiaoming Chen, Kun Fei, Jintao Bai,“Ultra-trace Rb detection with degenerate four-wave mixing in a graphite furnace“，Analytical Methods, 6, pp 4674-4678, 2014

8) WANG Jian, Zhao-yu,CHENG Xue-mei,MIAO Yi-zhu, REN YIN Xun-li1,WANG Li-qin, BAI Jin-tao “Characteristics of Rubidium Forward Degenerate Four-wave Mixing(FDFWM) Influenced by The Matrix Effect of Chloride Brine in Graphite Furnace”,Spectroscopy and Spectral Analysis, 32(6) pp 1466-1470, 2012

l Conference Proceedings

1）Zhaoyu Ren,Xuemei Cheng,and Jintao Bai, “DegnerateFour-wave mixing Spectrometry and Its Application on Isotope Analysis”12^thInternational Conference on Organic Nonlinear Optics and Organic Photonics and Electronics, Dublin, Ireland, 6-9 September 2011（Invited）

2) Xuemei Cheng, Zhaoyu Ren, Jian Wang, Yizhu Miao, Xunli Yin, Jintao Bai, “Degenerate Four-Wave Mixing Method in Trace Isotope Analysis of Rubidium, Cesium and Potassium”, IEEE The international Symposium on Photonics and Optoelectronics (SOPO)-2012, Shanghai, China, 21-23 May, 2012

3) Jintao Bai,Xuemei Cheng,Haowei Chen, and Zhaoyu Ren,“Isotope Analysis with Degenerate Four-wave Mixing (DFWM)”, The 2^ndInternational Symposium on Laser Interaction with Matter, Xi’an, China, 9-12 September, 2012 (Invited)

l Patents

1) Zhaoyu Ren,Xuemei Cheng, Jintao Bai, and Haowei Chen, “A New Artefacts Provencing Method based on DFWM spectroscopy”, Chinese Patent, Pub. No. : ZL201110073959.4 (2013)

2) Zhaoyu Ren, Jintao Bai,Xuemei Cheng,and Haowei Chen, “A New Artefacts Dating Method Based on DFWM spectroscopy”, Chinese Patent, Pub. No. : ZL201010288607.6 (2013)

3) Jintao Bai,Xuemei Cheng,Zhaoyu Ren, and Haowei Chen, “Super-sensentivity Isotope Analysis Method Based on DFWM spectroscopy”, Chinese Patent, Pub. No. : ZL201110073960.7 (2013)