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Publications

This page was last updated in November 2024. Please forgive us if it's out of date - we probably lost track of time in the lab!

2024

81. S. Simons-Wellin, S. Sheppard, S. Coburn, J. Farnsworth, P. Hamlington, G. Rieker, “Adaptive Mesh Large Eddy Simulations of Transitional Jet Diffusion Flames in Crossflow,”��International Journal of Heat and Mass Transfer, October 2024.

80.��P. Chang, N. Hoghooghi, S. Egbert, D. Lesko, S. Swartz, J. Biegert, G. Rieker, R. Reddy, S. Diddams,��"Mid-Infrared Hyperspectral Microscopy with Broadband 1-GHz Dual Frequency Combs," APL Photonics, September, 2024.

79.��S. Egbert, K. Sung, S. Coburn, B. Drouin, G. Rieker, “Water-vapor absorption database��using Dual Comb Spectroscopy from 300 to 1300 K Part II: Air-Broadened H2O, 6600 to 7650 cm-1,” Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 328, August 2024.

78.��C. Callahan, E. Gatica, G. Hampson, G. Rieker, “Compact, Real-Time Exhaust Gas Recirculation Rate Sensor for Use in Natural Gas Combustion Engine Control,” Proceedings of the Combustion Institute 40, (2024).

77.��S. Coburn, E. Miller, N. Harris, S. Droste, K. Knabe, G. Rieker, “Measuring Methane Destruction Efficiency in Gas Flares with Dual Comb Spectroscopy,” Proceedings of the Combustion Institute 40, Issues 1 – 4, (2024).��

76. D. Long, M. Cich, C. Mathurin, A. Heiniger, G. Mathews, A. Frymire, G. Rieker, “Nanosecond Time-resolved Dual-comb Absorption Spectroscopy,” Nature Photonics 18, 127-131 (2024).

75. N. Hoghooghi, P. Chang, S. Egbert, M. Burch, R.A. Shaik, P. Lynch, S. Diddams, G. Rieker, “GHZ Repetition Rate Mid-Infrared Frequency Comb Spectroscopy of Fast Chemical Reactions,” Optica (2024).��

74. M. Walsh, E. Baumann, N. Malarich, S. Egbert, R. Cole, G. Rieker, N. Newbury, I. Coddington, K. Cossel, J. Genest, “Pulse interaction induced systematic errors in dual comb spectroscopy,” Optics Express, Vol. 32, Issue 11, 19837-19853 (2024).

73.��D. Yun, S. Egbert, A. Frymire, S. Coburn, J. France, K.Rice, J. Donbar, G, Rieker, “Single-Beam Velocimetry with Dual Frequency Comb Absorption Spectroscopy,” Optics Express 32, 18650-18663 (2024).��

72.��S. Egbert, K. Sung, S. Coburn, B. Drouin, G. Rieker, “Water-Vapor Absorption Database using Dual Comb Spectroscopy from 300-1300 K Part I: Pure H2O, 6600 to 7650 cm-1,” Journal of Quantitative Spectroscopy and Radiative Transfer 318, 108940 (2024).

71.��A. Makowiecki, S. Coburn, S. Sheppard, B. Bitterlin, T. Breda, A. Dawlatzai, R. Giannella, A. Jaros, C. Kling, E. Kolb, C. Lapointe, S. Simons-Wellin, H. Michelsen, J. Daily, M. Hannigan, P. Hamlington, J. Farnsworth, G. Rieker, “WindCline: Sloping Wind Tunnel for Characterizing Flame Behavior Under Variable Inclines and Wind Conditions,” Review of Scientific Instruments 95, 025103 (2024).

2023

70. ��D. Yun, W. Sabin, S. Coburn, N. Hoghooghi, J. France, M. Hagenmaier, K. Rice, J. Donbar, G. Rieker, “Thermometry and velocimetry in a ramjet using dual comb spectroscopy of the O₂ A-band,” Optics Express 31, 42571- 42580 (2023).

69. ��R. Cole, H. Tran, N. Hoghooghi, G. Rieker, “Temperature-dependent CO2 Line Mixing Models using Dual Frequency Comb Absorption and Phase Spectroscopy up to 25 bar and 1000 K,” Journal of Quantitative Spectroscopy and Radiative Transfer 297, 108488, (2023).������

2022

68. D. Yun, R. Cole, N. Malarich, S. Coburn, N. Hoghooghi, J. Liu, J. France, M. Hagenmaier, K. Rice, J. Donbar, G. Rieker, “Spatially Resolved Mass Flux Measurements with Dual-comb Spectroscopy,” Optica 9, 1050-105, (2022). ��

67. D. Yun, N. Malarich, R. Cole, S. Egbert, J. France, J. Liu, K. Rice, M. Hagenmaier, J. Donbar, N. Hoghooghi, S. Coburn, G. Rieker, “Supersonic Combustion Diagnostics with Dual Comb Spectroscopy,” Proceedings of the Combustion Institute, In press, (2022). ��

66. N. Hoghooghi, S. Xing, P. Chang, D. Lesko, A. Lind, G. Rieker, S. Diddams, “Broadband 1-GHz Mid-infrared Frequency Comb,” Light: Science & Applications 11, 1-7, (2022). ��

65. A. Anderson, E. Strong, S. Coburn, G. Rieker, J. Gopinath, “Orbital Angular Momentum-based Dual-comb Interferometer for Ranging and Rotation Sensing,” Optics Express 30, 21195-21210, (2022). ��

64.��J. Glusman, C. B. Lapointe, A. S. Makoweicki, S. Simons-Wellin,��G. Rieker,��J.W. Daily, P. E. Hamlington, “Validation of Computationally Efficient Simulations of Douglas Fir Pyrolysis and Combustion Using Time-Resolved Frequency Comb Laser Measurements,” Frontiers in Forests and Global Change, (2022).����

2021

63. C. Lapointe, N.T. Wimer, S. Simons-Wellin, J.F. Glusman,��G.B. Rieker, P.E. Hamlington, “Efficient Simulations of Propagating Flames and Fire Suppression Optimization Using Adaptive Mesh Refinement,” Fluids 6, (2021).����

62.��N. Malarich,��G. Rieker, “Resolving nonuniform temperature distributions with single-beam absorption spectroscopy. Part II: Implementation with Broadband Spectra,”��Journal of Quantitative Spectroscopy and Radiative Transfer 272, 107805 (2021).��

61.��P. Schroeder, A. Makowiecki, M. Kelley, R. Cole, N. Malarich, R. Wright, J. Porter,��G. Rieker,��“Temperature and concentration measurements in a high-pressure gasifier enabled by cepstral analysis of dual frequency comb spectroscopy,” Proceedings of the Combustion Institute 38, 1561-1569 (2021).��

60.��A. Makowiecki, D. Herman, N. Hoghoogh, E. Strong, R. Cole, G. Ycas, F. Giorgetta, C. Lapointe, J. Glusman, J. Daily, P. Hamlington, N. Newbury, I. Coddington,��G. Rieker, “Mid-Infrared Dual Frequency Comb Spectroscopy for Combustion Analysis from 2.8 to 5 Microns,” Proceedings of the Combustion Institute 38, 1627-1635 (2021). �� �� ����

59.��N. Hoghooghi, R. Cole,��G. Rieker,��"11-μs Time-resolved, Continuous Dual-Comb Spectroscopy with Spectrally Filtered Mode-locked Frequency Combs," Applied Physics B 127, 1-10 (2021).��

58.��J. Christopher; O. Doronina, D. Petrykowsk, T. Hayden, C. Lapointe, N. Wimer, I. Grooms,��G. Rieker, P. Hamlington, "Flow Parameter Estimation Using Laser Absorption Spectroscopy and Approximate Bayesian Computation,” Experiments in Fluids 62, 43��(2021).��

57.��A.Q. Anderson, E. Strong, B. Heffernan, M. Siemens,��G. Rieker,��J. Gopinath, “Observation of the rotational Doppler shift with spatially incoherent light,” Optics Express 29, 4058-4066 (2021).��

56.��E. Strong, A. Anderson, M. Brenner, B. Heffernan, N. Hoghooghi, J. Gopinath,��G.��Rieker, “Angular velocimetry for fluid flows: an optical sensor using structured light and machine learning,” Optics Express,��Vol. 29,��,��pp. 9960-9980��(2021)��

55.��R. Cole,��A. Draper, P. Schroeder, C. Casby, A. Makowiecki; S. Coburn, J.��Steinbrenner, N.����Hoghooghi,��G. Rieker, “Demonstration of a uniform, high-pressure, high-temperature gas cell with a dual frequency comb absorption spectrometer,” Journal of Quantitative Spectroscopy, Vol 268,��107640��(2021).

54. ��A. Rybchuk, C. Alden, J. Lindquist, G. Rieker, "A Statistical Evaluation of WRF-LES Trace Gas Dispersion Using Project Prairie Grass Measurements," Monthly Weather Review, Vol 149, Issue 5 (2021).��

53. ��S��Xing, D.��M. B. Lesko, T.��Umeki, A.��J. Lind, N.��Hoghooghi, T-H��Wu, and S.��A. Diddams, "Single-cycle all-fiber frequency comb", APL Photonics 6, 086110 (2021) https://doi.org/

52. ��R. Cole, N. Hoghooghi, B. Drouin, and G. Rieker, "High-temperature absorption line shape parameters for CO2��in the 6800–7000��cm-1��region from dual frequency comb measurements up to 1000��K," Journal of Quantitative Spectroscopy and Radiative Transfer 276, 107912 (2021).��

51. ��N. Malarich, D. Yun, K. Sung, S. Egbert, S. Coburn, B. Drouin,��G. Rieker, "Dual frequency comb absorption spectroscopy of CH4��up to 1000 Kelvin from 6770 to 7570��cm-1,"��Journal of Quantitative Spectroscopy and Radiative Transfer 272,����107812 (2021).��

50. ��N. Malarich,��G.Rieker, “Resolving non-uniform temperature distributions with single- beam absorption spectroscopy. Part I: Theoretical capabilities and limitations,” Journal of Quantitative Spectroscopy and Radiative Transfer 260, 107455 (2021).��

2020

49. ��N. Hoghooghi, R. Cole,��G. Rieker,��"11-μs Time-resolved, Continuous Dual-Comb Spectroscopy with Spectrally Filtered Mode-locked Frequency Combs," Applied Physics B, In Press (2020).

48. ��J. Christopher; O. Doronina, D. Petrykowsk, T. Hayden, C. Lapointe, N. Wimer, I. Grooms,��G. Rieker, P. Hamlington, "Flow Parameter Estimation Using Laser Absorption Spectroscopy and Approximate Bayesian Computation,” Experiments in Fluids, In Press (2020).

47. ��C.��Alden, R. Wright, S. Coburn, D. Caputi, G.Wendland, A. Rybchuk, S. Conley, I. C. Faloona,��G. Rieker, “Temporal Variability of Emissions Revealed by Continuous, Long-Term Monitoring of an Underground Natural Gas Storage Facility,” Environmental Science & Technology 54, 14589-14597 (2020).��

46. ��E. Strong, A. Anderson, J. Gopinath,��G. Rieker, “Centering a beam of light to the axis of rotation of a planar object,”��Review of Scientific Instruments��91, 105101 (2020).

45. ��N. Wimer, M. Day, C. Lapointe, A. Makowiecki, J. Glusman, J. Daily,��G. Rieker, P. Hamlington, "Numerical Simulations of Buoyancy-Driven Flows Using Adaptive Mesh Refinement: Structure and Dynamics of a Large-Scale Helium Plume,"��Theoretical and Computational Fluid Dynamics,����(2020).

44. ��E. Hannah, W. Swann, J. Ellis, M. Bodine, M. Carter, N. Kuczun, N. Newbury, L. Sinclair, A. Muschinski,��G. Rieker, “Optical timing jitter due to atmospheric turbulence: comparison of frequency comb measurements to predictions from micrometeorological sensors,”��Optics Express 28, 25664-27209 (2020).

43. ��C. Goldenstein, G. Matthew, R. Cole, A. Makowiecki,��G. Rieker,��“Cepstral Analysis for Baseline-Insensitive Absorption Spectroscopy Using Light Sources with Pronounced Intensity Variations,” Applied Optics 59, 7865-7875 (2020).

42.�� A. Makowiecki, C. Lapointe, J. Glusman, P. Hamlington, J. Daily, J. Steinbrenner, N.��Wimer, G. Rieker, “Dual Frequency Comb Spectroscopy of Solid Fuel Pyrolysis and Combustion: Quantifying the Influence of Moisture Content in Douglas Fir,” Fire��Safety Journal, FISJ_103185 (2020).

41. ��(Top download, August 2020; OSA Spotlight on Optics review) D. Lesko, A. Lind, N. Hoghooghi, A. Kowligy, H. Timmers, P. Sekhar, B. Rudin, F. Emaury,��G. Rieker, S. A. Diddams, “Fully phase-stabilized 1 GHz turnkey frequency comb at 1.56��mm,”��OSA Continuum 3, 2070-2077 (2020). ��

40. ��A. Makowiecki, R. Cole,��N. Hoghooghi, G. Rieker,�� “Pressure Scaling of Measure Absorption Cross-Sections by Modifying the Molecular Free Induction Decay Signal,” Journal of Quantitative Spectroscopy and Radiative Transfer 254, 107189 (2020).

39. ��P. Schroeder, A. Makowiecki, M. Kelley, R. Cole, N. Malarich, R. Wright, J.��Porter, G. Rieker, “Temperature and concentration measurements in a high-pressure gasifier enabled by cepstral analysis of dual frequency comb spectroscopy,”��Proceedings of the Combustion Institute 38, In Press (2020).

38. ��A. Makowiecki, D. Herman, N. Hoghooghi, E. Strong, R. Cole, G. Ycas, F. Giorgetta,��C. Lapointe, J. Glusman, J. Daily, P. Hamlington, N. Newbury, I. Coddington, G. Rieker,��“Mid-Infrared Dual Frequency Comb Spectroscopy for Combustion Analysis��from 2.8 to 5 Microns,”��Proceedings of the Combustion Institute 38, In Press (2020).

37. ��A. Anderson, E. F. Strong*, B. M. Heffernan, M. E. Siemens, G. Rieker, J. T. Gopinath,��"Detection technique effect on rotational Doppler measurements," Optics Letters��45, 2636-2639 (2020).

36. ��N. Wimer, C. Lapointe, J. Christopher, S. Nigam, T. Hayden, A. Upadhye, M. Strobel,��G. Rieker, P. Hamlington, “Scaling of the Puffing Strouhal Number for Buoyant Jets and Plumes,” Journal of Fluid Mechanics��895, A26��(2020).

2019

35. ��C. Lapointe, N. Wimer, J. Glusman, A. Makowiecki, J. Daily, G.Rieker, P. Hamlington, “Efficient Simulation of Turbulent Diffusion Flames in OpenFOAM Using AdaptiveMesh Refinement,” Fire Safety Journal 111, 102934��(2019).

34. ��(Editor's pick) R. Cole, A. Makowiecki, N. Hoghooghi, and G. Rieker, “Baseline-free Quantitative Absorption Spectroscopy Based on Cepstral Analysis,” Optics Express 27,��37920-37939 (2019).

33. ��T. Hayden, N. Malarich, D. Petrykowski, S. Nigam, J. Christopher, C. LaPointe, N. Wimer, A. Upadhye, M. Strobel, P. Hamlington, and G. Rieker, “OH radical measurements in combustion environments using wavelength modulation spectroscopy and dual frequency comb spectroscopy near 1491 nm,”��Applied Physics B (2019).

32. ��Torrey R. S. Hayden, Nicholas T. Wimer, Caelan Lapointe, Jason D. Christopher, Siddharth P. Nigam, Aniruddha Upadhye, Mark Strobel, Peter E. Hamlington & Gregory B. Rieker��(2019)��Characterization of the Buoyant Jet above a Catalytic Combustor Using Wavelength Modulation Spectroscopy,��Combustion Science and Technology,��doi:��

31. ��A. Draper, R. Cole, J. Mohr, A. Zdanawicz, A. Marchese, N. Hoghooghi, and G. Rieker, “Broadband Dual Frequency Comb Spectroscopy in a Rapid Compression Machine,” accepted Optics Express.��

30. ��C. Alden, S. Coburn, R. Wright, E. Baumann, K. Cossel, E. Perez, E. Hoenig, K. Prasad, I. Coddington, and G. Rieker, “Single-blind quantification of natural gas leaks from 1 km distance using frequency combs,” Environmental Science and Technology 53, 2908-2917 (2019).

29. ��N. Hoghooghi, R.J. Wright, A.S. Makowiecki, W.C. Swann, E.M. Waxman, I. Coddington, G.B. Rieker, “Broadband coherent cavity-enhanced dual-comb spectroscopy”��Optica, vol. 6, p. 28-33,��.

2018

28. ��T.R.S. Hayden, D.J. Petrykowski, A. Sanchez, S.P. Nigam, C. Lapointe, J.D. Christopher, N.T. Wimer, A. Upadhye, M. Strobel, P.E. Hamlington, and G.B. Rieker, “Characterization of OH, H2O, and temperature profiles in industrial flame treatment systems interacting with polymer films,”��Proceedings of the Combustion Institute, June 2018.��.

27. ��S. Coburn, C. Alden, R. Wright, K. Cossel, E. Baumann, G. Truong, F. Giorgetta, C. Sweeney, N. Newbury, K. Prasad, I. Coddington, G. Rieker “Regional trace-gas source attribution using a field-deployed dual frequency comb spectrometer,”��Optica, vol. 5, p. 320-327, 2018.��.

26. ��J. Christopher*, N. Wimer, C. LaPointe, T. Hayden*, I. Grooms, G. Rieker, and P. Hamlington, “Parameter estimation for complex thermal-fluid flows using approximate Bayesian computation,” Physical Review Fluids 3, 104602 (2018).

25. ��J. Yang*, P. Schroeder*, M. Cich, B. Drouin, F Giorgetta, W.C. Swann, I. Coddington, N. Newbury, and G. Rieker, “Speed-dependent Voigt Lineshape Parameter Database from Dual Frequency Comb Measurements up to 1305K. Part II: Argon-broadened H₂O Absorption, 6801-7188 cm^-1,” Journal of Quantitative Spectroscopy and Radiative Transfer 217, 189 (2018).

24. ��P. Schroeder*, M. Cich, J. Yang*, F Giorgetta, W.C. Swann, I. Coddington, N. Newbury, B. Drouin, and G. Rieker, “Speed-dependent Voigt Lineshape Parameter Database from Dual Frequency Comb Measurements up to 1305K. Part I: Pure H₂O Absorption, 6801-7188 cm^-1,” Journal of Quantitative Spectroscopy and Radiative Transfer 210, 240 (2018).��

23. ��C. B. Alden, S. Ghosh, S. Coburn, C. Sweeney, A. Karion, R. Wright, I. Coddington, G. Rieker, and K. Prasad, “Bootstrap inversion technique for atmospheric trace gas source detection and quantification using long open-path laser measurements”��Atmospheric Measurement Techniques, vol. 11, p. 1565-1582, 2018.��.

22. ��E. Mitchell, M. Hoehler, F. Giorgetta, T. Hayden, G. Rieker, N. Newbury, E. Baumann, “Coherent laser ranging for precision imaging through flames,” Optica 5, 988 (2018).

21. ��P. Schroeder, M. Cich, J. Yang, F. Giorgetta, W. Swann, I. Coddington, N. Newbury, B. Drouin, and G. Rieker, “Speed-dependent Voigt Lineshape Parameter Database from Dual Frequency Comb Measurements up to 1305K. Part I: Pure H2O Absorption, 6801-7188 cm− 1.”��Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 210, p. 240-250, May 2018.��.

2017

20. ��P. Schroeder, M. Cich, J. Yang, W. Swann, I. Coddington, N. Newbury, B. Drouin, and G. Rieker, “Broadband, high-resolution investigation of advanced absorption lineshapes at high temperature,”��Physical Review A, vol. 96, 022514, 2017.��.

19. ��P. Schroeder, D. Pfotenhauer, J. Yang, F. Giorgetta, W. Swann, I. Coddington, N. Newbury, and G. Rieker, “High temperature comparison of the HITRAN2012 and HITEMP2010 water vapor absorption databases to frequency comb measurements,”��Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 203, p. 194–205, 2017.��.

18. ��K. Cossel, E. Waxman, F. Giorgetta, M. Cermak, I. Coddington, D. Hesselius, S. Ruben, W. Swann, G. Truong, G. Rieker, and N. Newbury, “Spatially-scanned open-path dual comb spectroscopy to an airborne retroreflector,”��Optica, vol. 4, p. 724-728, 2017.��.

17. ��E. Waxman, K. Cossel, G. Truong, F. Giorgetta, W. Swann, S. Coburn, R. Wright, G. Rieker, I. Coddington, and N. Newbury, “Comparison of open-path dual frequency comb spectroscopy for high-precision atmospheric gas measurements,”��Atmospheric Measurement Techniques, vol. 10, p. 3295-3311, 2017.��.

16. ��J.D. Christopher, C. Lapointe, N.T. Wimer, T.R.S. Hayden, I. Grooms, G.B. Rieker, and P.E. Hamlington, “Parameter Estimation for a Turbulent Buoyant Jet Using Approximate Bayesian Computation,”��55th AIAA Aerospace Sciences Meeting, p. 0531, 2017.��.

2011 - 2016

15. ��T.R.S. Hayden and G.B. Rieker, “Large amplitude wavelength modulation spectroscopy for sensitive measurements of broad absorbers,”��Optics Express, vol. 24, no. 24, pp. 27910-2791, 2016.��.

14. ��P.J. Schroeder, R.J. Wright, S. Coburn, B. Sodergren, K.C. Cossel, S. Droste, G.W. Truong, E. Baumann, F.R. Giorgetta, I. Coddington, N.R. Newbury, and G.B. Rieker, “Dual Frequency Comb Laser Absorption Spectroscopy in a 16 MW Gas Turbine Exhaust,”��Proceedings of the Combustion Institute, vol. 36, June 2016.��.

13. ��F. R. Giorgetta, G. B. Rieker, E. Baumann, W. C. Swann, L. C. Sinclair, J. Kofler, I. Coddington, and N. R. Newbury, “Broadband Phase Spectroscopy over Turbulent Air Paths,”��Phys. Rev. Lett., 115, p. 103901, Sept 2015.

12. ��G. B. Rieker, F. R. Giorgetta, W. C. Swann, J. Kofler, A. M. Zolot, L. C. Sinclair, E. Baumann, C. Cromer, G. Petron, C. Sweeney, P. P. Tans, I. Coddington, and N. R. Newbury, “Frequency-comb-based remote sensing of greenhouse gases over kilometer air paths,”��Optica, vol. 1, no. 5, pp. 290–298, Nov. 2014.

11. ��L. C. Sinclair, I. Coddington, W. C. Swann, G. B. Rieker, A. Hati, K. Iwakuni, and N. R. Newbury, “Operation of an optically coherent frequency comb outside the metrology lab,”��Opt. Express, vol. 22, no. 6, pp. 6996–7006, Mar. 2014.

10. ��G. B. Rieker, F. R. Poehlmann, and M. A. Cappelli, “A Thomson-type mass and energy spectrometer for characterizing ion energy distributions in a coaxial plasma gun operating in a gas-puff mode,”��Physics of Plasmas, vol. 20, no. 7, p. 073115, July 2013.

2005 - 2010

9. �� F. R. Poehlmann, M. A. Cappelli, and G. B. Rieker, “Current distribution measurements inside an electromagnetic plasma gun operated in a gas-puff mode,”��Physics of Plasmas, vol. 17, no. 12, p. 123508, Dec. 2010.

8. �� G. B. Rieker, J. B. Jeffries, and R. K. Hanson, “Calibration-free wavelength-modulation spectroscopy for measurements of gas temperature and concentration in harsh environments,”��Appl. Opt., vol. 48, no. 29, pp. 5546–5560, Oct. 2009.

7. �� G. B. Rieker, J. B. Jeffries, R. K. Hanson, T. Mathur, M. R. Gruber, and C. D. Carter, “Diode laser-based detection of combustor instabilities with application to a scramjet engine,”��Proceedings of the Combustion Institute, vol. 32, no. 1, pp. 831–838, 2009.

6. �� G. B. Rieker, J. B. Jeffries, and R. K. Hanson, “Measurements of high-pressure CO2 absorption near 2.0 µm and implications on tunable diode laser sensor design,”��Appl. Phys. B, vol. 94, no. 1, pp. 51–63, Jan. 2009.

5. �� G. B. Rieker, H. Li, X. Liu, J. B. Jeffries, R. K. Hanson, M. G. Allen, S. D. Wehe, P. A. Mulhall, and H. S. Kindle, “A diode laser sensor for rapid, sensitive measurements of gas temperature and water vapour concentration at high temperatures and pressures,”��Meas. Sci. Technol., vol. 18, no. 5, p. 1195, May 2007.

4. �� G. B. Rieker, X. Liu, H. Li, J. B. Jeffries, and R. K. Hanson, “Measurements of near-IR water vapor absorption at high pressure and temperature,”��Appl. Phys. B, vol. 87, no. 1, pp. 169–178, Mar. 2007.

3. �� G. B. Rieker, H. Li, X. Liu, J. T. C. Liu, J. B. Jeffries, R. K. Hanson, M. G. Allen, S. D. Wehe, P. A. Mulhall, H. S. Kindle, A. Kakuho, K. R. Sholes, T. Matsuura, and S. Takatani, “Rapid measurements of temperature and H2O concentration in IC engines with a spark plug-mounted diode laser sensor,”��Proceedings of the Combustion ����Institute,��vol.��31, no. 2, pp. 3041–3049, Jan. 2007.

2. �� H. Li, G. B. Rieker, X. Liu, J. B. Jeffries, and R. K. Hanson,Extension of wavelength-modulation spectroscopy to large modulation depth for diode laser absorption measurements in high-pressure gases,”��Appl. Opt., vol. 45, no. 5, pp. 1052–1061, Feb. 2006.

1. �� J. T. C. Liu, G. B. Rieker, J. B. Jeffries, M. R. Gruber, C. D. Carter, T. Mathur, and R. K. Hanson, “Near-infrared diode laser absorption diagnostic for temperature and water vapor in a scramjet combustor,”��Appl. Opt., vol. 44, no. 31, pp. 6701–6711, Nov. 2005.