Publications Pre-CUHK
1. "Position effects of acoustic micro-resonator in quartz enhanced photoacoustic spectroscopy", H. Wu, L. Dong*, W. Ren, W. Yin, W. Ma, L. Zhang, S. Jia, F. K. Tittel, Sensors and Actuators B: Chemical, 206, 364–370 (2015).
2. "Experimental and Modeling Study of the Thermal Decomposition of C3-C5 Ethyl Esters Behind Reflected Shock Waves", W. Ren*, R. M. Spearrin, D. F. Davidson, and R. K. Hanson, J. Phys. Chem. A, 118(10), 1785-1798 (2014).
3. "Multi-pass absorption spectroscopy for H2O2 detection using a CW DFB-QCL", Y. Cao, N. P. Nancy, W. Jiang, W. Ren, R. Lewicki, D. Jiang, R. J. Griffin, and F. K. Tittel*, Advanced Optical Technologies, 3, 549-558 (2014).
4. "Single-QCL-based absorption sensor for simultaneous trace-gas detection of CH4 and N2O", W. Ren*, W. Jiang, and F. K. Tittel, Appl. Phys. B, 117(1), 245-251 (2014).
5. "Hydrogen peroxide detection with quartz-enhanced photoacoustic spectroscopy using a distributed-feedback quantum cascade laser", W. Ren*, W. Jiang, N. P. Sanchez, P. Patimisco, V. Spagnolo, C. Zah, F. Xie, L. C. Hughes, R. J. Griffin, and F. K. Tittel, Appl. Phys. Lett., 104, 041117 (2014).
6. "Double acoustic microresonator quartz-enhanced photoacoustic spectroscopy", Lei Dong*, Hongpeng Wu, Huadan Zheng, Yanyan liu, Xiaoli Liu, Wenzhe Jiang, Lei Zhang, Weiguang Ma, Wei Ren, Wangbao Yin, Suotang Jia, and Frank K. Tittel, Opt. Lett. 39(8), 2479-2482 (2014).
7. "A compact QCL based methane and nitrous oxide sensor for environmental and medical applications", M. Jahjah, W. Ren, P. Stefański, R. Lewicki, J. Zhang, W. Jiang, J. Tarka and F. K. Tittel*, Analyst - Royal Society of Chemistry, 139, 2065-2069 (2014).
8. "QCL-based TDLAS sensor for detection of NO toward emission measurements from ovarian cancer cells", M. Köhring*, S. Huang, M. Jahjah, W. Jiang, W. Ren, U. Willer, C. Caneba, L. Yang, D. Nagrath, W. Schade, and F. K. Tittel, Appl. Phys. B, 117(1), 445-451 (2014).
9. "Multi-band infrared CO2 absorption sensor for sensitive temperature and species measurements in high-temperature gases", R. M. Spearrin*, W. Ren, J. B. Jeffries, R. K. Hanson, Appl. Phys. B, 116(4), 855-865 (2014).
10. "Atmospheric CH4 and N2O measurements near Greater Houston area landfills using a QCL based QEPAS sensor system during DISCOVER-AQ 2013", F. Tittel*, M. Jahjah, W. Jiang, N. Sanchez, W. Ren, P. Patimisco, V. Spagnolo, S. Herndon, and R. Griffin, Opt. Lett., 39(4), 957-960 (2014).
11. "Shock tube/laser absorption studies of the decomposition of methyl formate", W. Ren*, K.-Y. Lam, S. H. Pyun, A. Farooq, D. F. Davidson, and R. K. Hanson, Proc. Combust. Inst., 34(1), 453-461 (2013).
12. "Shock tube study of methanol, methyl formate pyrolysis: CH3OH and CO time-history measurements", W. Ren*, E. Dames, D. Hyland, D. F. Davidson, and R. K. Hanson, Combust. Flame, 160(12), 2669-2679 (2013).
13. "Multi-species time-history measurements during high-temperature acetone and 2-butanone pyrolysis", K.-Y. Lam*, W. Ren, S. H. Pyun, A. Farooq, D. F. Davidson, and R. K. Hanson, Proc. Combust. Inst., 34(1), 607-615 (2013).
14. "Methane and ethylene time-history measurements in n-butane and n-heptane pyrolysis behind reflected shock waves", S. H. Pyun, W. Ren, D. F. Davidson*, and R. K. Hanson, Fuel, 108, 557-564 (2013).
15. "Fuel and ethylene measurements during n-dedecane, methylcyclohexane, and iso-cetane pyrolysis in shock tubes", M. E. MacDonald*, W. Ren, D. F. Davidson, and R. K. Hanson, Fuel, 103, 1060-1068 (2013).
16. "Shock tube measurements of methane, ethylene and carbon monoxide time-histories in DME pyrolysis", S. H. Pyun, W. Ren, K.-Y. Lam, D. F. Davidson*, and R. K. Hanson, Combust. Flame, 160(4), 747-754 (2013).
17. "Constrained reaction volume approach for studying chemical kinetics behind reflected shock waves", R. K Hanson*, G. A. Pang, S. Chakraborty, W. Ren, S. Wang, and D. F. Davidson, Combust. Flame, 160, 1550-1558 (2013).
18. "Multi-species time-history measurements during n-hexadecane oxidation behind reflected shock waves", D. R. Haylett, D. F. Davidson*, R. D. Cook, Z. Hong, W. Ren, S. H. Pyun, and R. K. Hanson, Proc. Combust. Inst., 34(1), 369-376 (2013).
19. "CO concentration and temperature sensor for combustion gases using mid-infrared laser absorption near 4.7 μm", W. Ren*, A. Farooq, D. F. Davidson, and R. K. Hanson, Appl. Phys. B, 107(3), 849-860 (2012).
20. "IR laser absorption diagnostic for C2H4 in shock tube kinetics studies", W. Ren*, D. F. Davidson, and R. K. Hanson, Int. J. Chem. Kinet., 44(6), 423–432 (2012).
21. "Shock tube measurements of 3-pentanone pyrolysis and oxidation", K.-Y. Lam*, W. Ren, Z. Hong, D. F. Davidson, and R. K. Hanson, Combust. Flame, 159(11), 3251-3263 (2012).
22. "Shock tube studies of methyl butanoate pyrolysis with relevance to biodiesel", A. Farooq*, W. Ren, K.-Y. Lam, D. F. Davidson, R. K. Hanson, and C. K. Westbrook, Combust. Flame, 159(11), 3235-3241 (2012).
23. "Temperature sensing in shock-heated evaporating aerosol using wavelength-modulation absorption spectroscopy of CO2 near 2.7 μm", W. Ren*, J. B. Jeffries, and R. K. Hanson, Meas. Sci. Tech., 21(10), (2010).
24. "Phase-modulated multigroup volume holographic correlator", K. Ni*, W. Ren, Z. Qu, L. Cao, Q. He, and G. Jin, Opt. Lett., 33(10), 1144-1146 (2008).