•  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).
  • 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).
  • 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,” accepted to Proceedings of the Combustion Institute (2020).
  • 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,” accepted to Proceedings of the Combustion Institute (2020).
  • 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).
  • 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, vol. 895, A26 1-20, (2020).
  • 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 (2019).
  • R. Cole, A. Makowiecki, N. Hoghooghi, and G. Rieker, “Baseline-free Quantitative Absorption Spectroscopy Based on Cepstral Analysis,” Optics Express (2019).
  • 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).
  • 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: 10.1080/00102202.2019.1604518
  • 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. doi:10.1364/OE.27.010814
  • 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). doi:10.1021/acs.est.8b06259
  • 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, doi:10.1364/OPTICA.6.000028.
  • 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. doi:10.1016/j.proci.2018.05.058.
  • 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. doi:10.1364/OPTICA.5.000320.
  • 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). doi: 10.1103/PhysRevFluids.3.104602
  • 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). doi:10.1016/j.jqsrt.2018.05.040
  • 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). doi:10.1016/j.jqsrt.2018.05.040
  • 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. doi:10.5194/amt-11-1565-2018.
  • 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). doi:10.1364/OPTICA.5.000988
  • 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. doi:10.1016/j.jqsrt.2018.02.025.
  • 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. doi:10.1103/PhysRevA.96.022514.
  • 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. doi:10.1016/j.jqsrt.2017.04.023.
  • 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. doi:10.1364/OPTICA.4.000724.
  • 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. doi:10.5194/amt-2017-62.
  • 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. doi:10.2514/6.2017-0531.
  • 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. doi:10.1364/OE.24.027910.
  • 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. doi:10.1016/j.proci.2016.06.032.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.