A-to-Z Index


Daniel K. Havey, Ph.D.

Assistant Professor
Department of Chemistry and Biochemistry

Education, Honors, Awards

  • NIST CSTL Technical Achievement Award with J.T. Hodges, G.E. Scace, and D. Lisak (2009)
  • Post Doc. National Institute of Standards and Technology (2008-2010)
  • Post Doc. University of Maryland (2006-2008)
  • Ph.D. University of Colorado (2006)
  • B.S. College of William and Mary (2001)

Research Interests

  • Optical metrology of atmospherically relevant species
  • Laser-based probing of energy transfer dynamics
  • Quantitative measurements of evolved gases from samples important to climate change and/or geochemistry
  • Development of advanced spectroscopic instrumentation

Research Description

Our group is interested in how light interacts with molecules and small particles that are important in Earth’s atmosphere.  We use lasers to make precision measurements using photoacoustic spectroscopy and/or cavity ring-down spectroscopy.  Typical systems of interest include greenhouse gases, remote sensing molecules, and small carbonaceous aerosol particles.  Students learn valuable skills in optical spectroscopy, line shape theory, laboratory automation, electronics, and lasers.

Selected Recent Publications

  • P.A. Bueno, D.K. Havey, G.W. Mulholland, J.T. Hodges, K.A. Gillis, R.R. Dickerson, M.R. Zachariah, “Photoacoustic Measurements of Amplification of the Absorption Cross Section for Coated Soot Aerosols,” Aerosol Science and Technology, 45 (2011) 1217
  • D.K. Havey, P.A. Bueno, K.A. Gillis, J.T. Hodges, G.W. Mulholland, R.D. van Zee, M.R. Zachariah, “Photoacoustic Spectrometer with a Calculable Cell Constant for Measurements of Gases and Aerosols,” Analytical Chemistry, 82 (2010) 7935.
  • K.A. Gillis, D.K. Havey, J.T. Hodges, “Standard Photoacoustic Spectrometer: Model and Validation using O2 A-Band Spectra,” Review of Scientific Instruments, 81 (2010) 064902.
  • D.K. Havey, J. Du, Q. Liu, A.S. Mullin, “Full Energy Gain Profiles of CO2 (J = 2 – 80) from Collisions with Highly Vibrationally Excited Molecules (E = 37,900 cm-1),” Journal of Physical Chemistry A, 114 (2010) 1569-1580.
  • D.A. Long, D.K. Havey, M. Okumura, C.E. Miller, J.T. Hodges, “O2 A-band Line Parameters to Support Atmospheric Remote Sensing,”  Journal of Quantitative Spectroscopy and Radiative Transfer, 111 (2010) 2021.
  • D.A. Long, D.K. Havey, M. Okumura, C.E. Miller, J.T. Hodges, “Cavity Ring-down Measurements of Sub-Doppler Hyperfine Structure,”  Physical Review A, 81 (2010) 064502.
  • D.K. Havey, J.T. Hodges, D.A. Long, M. Okumura, C.E. Miller, “Ultra-sensitive Optical Measurements of High-J Transitions in the O2 A-band,”  Chemical Physics Letters, 483 (2009) 49-54.
  • D. Lisak, D.K. Havey, and J.T. Hodges, “High-accuracy Spectroscopic Line Parameters of Water Vapor for Rotation-vibration Transitions Near 7180 cm-1,” Physical Review A, 79 (2009) 052507.
  • D.A. Long, D.K. Havey, M. Okumura, H.M. Pickett, C.E. Miller, J.T. Hodges, “Laboratory Measurements and Theoretical Calculations of O2 A-band Electric Quadrupole Transitions,”  Physical Review A, 80 (2009) 042513.


  • “Photoacoustic Spectrometer with Calculable Cell Constant for Quantitative Absorption Measurements of Pure Gases, Gaseous Mixtures, and Aerosols,” K.A. Gillis, D.K. Havey, J.T. Hodges, (U.S. Patent Pending (2010)).