2016 - 2018

  • S. Chandran, S. Mahon, A. A. Ruth*, J. Braddell, M. D. Gutiérrez,Appl. Phys. B 124 (2018) 63.
    Cavity-enhanced absorption detection of H2S in the near-infrared using a gain-switched frequency comb laser

  • N. Jacquinet-Husson, R. Armante, N.A. Scott, A. Chédin, L. Crépeau, C. Boutammine, A. Bouhdaoui, C. Crevoisier, V. Capelle, C. Boonne, N. Poulet-Crovisier, A. Barbe, D. Chris Benner, V. Boudon, L.R. Brown, J. Buldyreva, A. Campargue, L.H. Coudert, V.M. Devi, M.J. Down, B.J. Drouin, A. Fayt, C. Fittschen, J.-M. Flaud, R.R. Gamache, J.J. Harrison, C. Hill, Ø. Hodnebrog, S.-M. Hu, D. Jacquemart, A. Jolly, E. Jiménez, N.N. Lavrentieva, A.-W. Liu, L. Lodi, O.M. Lyulin, S.T. Massie, S. Mikhailenko, H.S.P. Müller, O.V. Naumenko, A. Nikitin, C.J. Nielsen, J. Orphal, V.I. Perevalov, A. Perrin, E. Polovtseva, A. Predoi-Cross, M. Rotger, A.A. Ruth, S.S. Yu, K. Sung, S.A. Tashkun, J. Tennyson, V.G. Tyuterev, J. Vander Auwera, B.A. Voronin, A. Makie, J. Mol. Spectrosc. 327 (2016) 31–72
    The 2015 edition of the GEISA spectroscopic database

2013 - 2015

  • A. Ruth*, U. Heitmann, E. Heinecke, C. FittschenZ. Phys. Chem. 229 (2015) 1609–1624.
    The rotationally-resolved absorption spectrum of formaldehyde from 6547 to 7051 cm-
  • U. Nitschke, S. Dixneuf, M. Schmid, A.A. Ruth*, D.B. StengelMar. Biol. 162 (2015) 1727–1738
    Contribution of living and degrading kelp to coastal iodine fluxes

  • A.A. Ruth*, S. Dixneuf, J. OrphalOpt. Express 23 (2015) 6092-6101
    Laser-induced plasmas in ambient air for incoherent broadband cavity-enhanced absorption spectroscopy

  • Raghunandan, R,Perrin*, A,Ruth, AA,Orphal, J;Journal of Molecular Spectroscopy, 297 (2014):4-10;
    First analysis of the 2v(1)+3v(3) band of NO2 at 7192.159 cm-1

  • Varma, R. M., Ball, S. M., Brauers, T., Dorn, H. P., Heitmann, U., Jones, R. L., Platt, U., Pöhler, D., Ruth, A. A., Shillings, A. J. L., Thieser, J., Wahner, A., Venables, D. S;Atmospheric Measurement Techniques, 6 (2013):3115-3130; doi:10.5194/amt-6-3115-2013
    Light extinction by secondary organic aerosol: an intercomparison of three broadband cavity spectrometers

  • Nitschke, U,Dixneuf, S,Ruth, AA,Schmid, M,Stengel, DB;Marine Environmental Research, 92 (2013) :102-109; doi:10.1016/j.marenvres.2013.09.006
    Molecular iodine (I-2) emission from two Laminaria species (Phaeophyceae) and impact of irradiance and temperature on I-2 emission into air and iodide release into seawater from Laminaria digitata

  • McCarthy, A, Ruth, A.A*;Chemical Physics, 425 (2013) 177-184;
    Fluorescence excitation and excited state intramolecular relaxation dynamics of jet-cooled methyl-2-hydroxy-3-naphthoate

  • M.A.P. McAuliffe, A.A. Ruth*;Atm. Research, 120-121 (2013) 334-342; doi: 10.1016/j.atmosres.2012.09.020.
    Typical tropospheric aerosol backscatter profiles for Southern Ireland: The Cork Raman LIDAR

  • H.-P. Dorn, R.L. Apodaca, S.M. Ball, T. Brauers, S.S. Brown, J.N. Crowley, W.P. Dubé, H. Fuchs, R. Häseler, U. Heitmann, R.L. Jones, A. Kiendler-Scharr, I. Labazan, J. M. Langridge, J. Meinen, T.F. Mentel, U. Platt, D. Pöhler, F. Rohrer, A.A. Ruth, E. Schlosser, G. Schuster, A.J.L. Shillings, W. R. Simpson, J. Thieser, R. Tillmann, R. Varma, D.S. Venables, A. Wahner;Atmos. Meas. Tech. Discuss. 6 (2013) 303-379.
    Intercomparison of NO3 radical detection instruments in the atmosphere simulation chamber SAPHIR 


  • L. Horan, A.A. Ruth, F.C. Garcia-Gunning*;J. Chem. Phys. (2012) 137, 224504. doi: 10.1063/1.4771659
    Hollow Core Photonic Crystal Fiber Based Viscometer with Raman Spectroscopy,
  • G. Pappalardo*, L. Mona, G. D'Amico, U. Wandinger, M. Adam, A. Amodeo, A. Ansmann, A. Apituley, L. Alados Arboledas, D. Balis, A. Boselli, J. A. Bravo-Aranda, A. Chaikovsky, A. Comeron, J. Cuesta, F. De Tomasi, V. Freudenthaler, M. Gausa, E. Giannakaki, H. Giehl, A. Giunta, I. Grigorov, S. Groß, M. Haeffelin, A. Hiebsch, M. Iarlori, D. Lange, H. Linné, F. Madonna, I. Mattis, R.-E. Mamouri, M. A. P. McAuliffe*, V. Mitev, F. Molero, F. Navas-Guzman, D. Nicolae, A. Papayannis, M. R. Perrone, C. Pietras, A. Pietruczuk, G. Pisani, J. Preißler, M. Pujadas, V. Rizi, A. A. Ruth*, J. Schmidt, F. Schnell, P. Seifert, I. Serikov, M. Sicard, V. Simeonov, N. Spinelli, K. Stebel, M. Tesche, T. Trickl, X. Wang, F. Wagner, M. Wiegner, and K. M. Wilson;Atm. Chem. Phys. Discuss., 12 (2012) 30203-30257.Four-dimensional distribution of the 2010 Eyjafjallajökull volcanic cloud over Europe observed by EARLINET
  • M. J. Down, J. Tennyson*, J. Orphal, P. Chelin, A. A. Ruth;J. Mol. Spectr. 282 (2012) 1-8. doi:
    Analysis of an 18O and D enhanced water spectrum and new assignments for HD18O and D218O in the near-infrared region (6000-7000 cm-1) using newly calculated variational line lists 
  • D.M. O’Leary, A.A. Ruth*, S. Dixneuf, J. Orphal and R. Varma;J. Quant. Spectr. Rad. Trans., 113 (2012) 1138-1147. doi: 10.1016/j.jqsrt.2012.02.022.
    The near infrared cavity-enhanced absorption spectrum of methylcyanide
  • A.-M. McCarthy, A. A. Ruth*;Phys. Chem.Chem.Phys., 13 (2011) 18661-18670. 
    Fluorescence excitation and excited state intramolecular proton transfer of jet-cooled naphtol derivatives: Part 2. 2-hydroxy-1-naphthaldehyde,
  • A.-M. McCarthy and A. A. Ruth*;Phys. Chem.Chem.Phys., 13 (2011) 7485-7499.
    Fluorescence excitation and excited state intramolecular proton transfer of jet-cooled naphtol derivatives: Part 1. 1-hydroxy-2-naphthaldehyde 
  • U. Nitschke, A. A. Ruth, S. Dixneuf*, D. B. Stengel;Planta, 233 (2011) 737-748
    Molecular iodine emission rates and photosynthetic performance of different thallus parts of Laminaria digitata (Phaeophyceae) during emersion,

2008 - 2010

  • H. Fuchs, S. M. Ball, B. Bohn, T. Brauers, R. C. Cohen, H. P. Dorn, W. P. Dubé, J. L. Fry, R. Häseler, U. Heitmann, R. L. Jones, J. Kleffmann, T. F. Mentel, P. Müsgen, F. Rohrer, A. W. Rollins, A. A. Ruth*, A. Kiendler-Scharr, E. Schlosser, A. J. L. Shillings, R. Tillmann, R. M. Varma, D. S. Venables*, G. Villena Tapia, A. Wahner, R. Wegener, P. J. Wooldridge, S. S. Brown; Intercomparison of measurements of NO2 Atmos. Meas. Tech., 3 (2010) 21-37; previously Atmos. Meas. Tech. Discuss., 2 (2009) 2539-2586
  • R.M. Varma*, D.S. Venables*, A.A. Ruth*, U. Heitmann*, E. Schlosser, S. Dixneuf*;Appl. Opt.48 (2009) B159-B171.Abstract
    Long optical cavities for open-path monitoring of atmospheric trace gases and aerosol extinction
  • S. Dixneuf*, A.A. Ruth*, S. Vaughan*, R.M. Varma*, J. Orphal;Atm. Chem. Phys.(2009) 823-829.
    AbstractThe time dependence of molecular iodine emission from Laminaria digitata
  • S. Vaughan*, T. Gherman*, A.A. Ruth*, J. Orphal;Phys. Chem. Chem. Phys. 10 (2008) 4471-4477.
    Incoherent broadband cavity-enhanced absorption spectroscopy of the marine boundary layer species I2, IO and OIO
  • D. O'Leary*, J. Orphal, A.A. Ruth*, U. Heitmann, P. Chelin, C.E. Fellows;J. Quant. Spectr. Rad. Trans., 109 (2008) 1004-1015. Special Issue on Planetary Atmospheres
    The cavity-enhanced absorption spectrum of NH3 in the near-infrared region between 6850 and 7000 cm–1
  • T. Gherman*, D.S. Venables*, S. Vaughan*, J. Orphal, A.A. Ruth*;Env. Scien. Techn., 42 (2008) 890-895.AbstractIncoherent broadband cavity-enhanced absorption spectroscopy in the near-ultraviolet: Application to HONO and NO2

2005- 2007

  • A.A. Ruth*, J. Orphal*, S.E. FiedlerAppl. Opt.(2007) 46 (2007) 3611-3616.
    Cavity enhanced Fourier transform absorption spectroscopy using an incoherent broadband light source
  • D.S. Venables*,T. Gherman*, J. Orphal*, J. Wenger*, A.A. Ruth*Environ. Sci. Technol. 40 (2006) 6758-6763.
    High sensitivity in situ monitoring of NO3 in an atmospheric simulation chamber using incoherent broadband cavity enhanced absorption spectroscopy 
  • A.A. Ruth*, J.A. YoungColloids and Surfaces A, Physicochemical and Engineering Aspects 279 (2006) 121-127.
    Generation of CdSe and CdTe nanoparticles by laser ablation in liquids 
  • A.A. Ruth*, B. NickelJ. Phys. Chem. A 110 (2006) 3138-3150. (Invited paper in special issue
    Spin-lattice relaxation and rotational motion of aromatic triplet state molecules in supercooled alkane solvents
  • S.E. Fiedler, A. Hese, A.A. Ruth*Rev. Sci. Instrum. 76 (2005) 023107 and 76 (2005) 089901 (Err.).
    Incoherent broad-band cavity-enhanced absorption spectroscopy in liquids 
  • M. Staak*, E.W. Gash*, D.S. Venables*and A.A. Ruth*
    The rotationally-resolved absorption spectrum of formaldehyde from 6547 to 6804 cm-1J. Mol. Spectr. 229 (2005) 115-121.Abstract


  • B. Nickel, P. Borowicz, A.A. Ruth* and J. TroeApplication of Smoluchowski’s generalized theory to the kinetics of  triplet-triplet annihilation of anthracene in viscous solution after long-pulse excitation
    Phys. Chem. Chem. Phys. (2004) 3350-3363.
  • S.E. Fiedler, G. Hoheisel, A.A. Ruth* and A. Hese
    Incoherent broad-band cavity-enhanced absorption spectroscopy of azulene in a supersonic jet
    Chem. Phys. Lett. 382 (2003) 447-453. 
  • A.A. Ruth*, H. Lesche and B. Nickel;
    Temperature Dependence of Viscosity and Density of several commonly used organic solvents
    Z. Phys. Chem. 217 (2003) 1-16. 
  • S.E. Fiedler, A. Hese and A.A. Ruth*
    Incoherent broad-band cavity-enhanced absorption spectroscopy
    Chem. Phys. Lett. 371 (2003) 284-294. 

2002 -1999

  • R.P. Brint*, W.G. Doherty and A.A. Ruth*J. Mol. Spectr. 216 (2002) 151-158.Abstract
    The phosphorescence excitation spectrum jet-cooled xanthione in the region of the T1¬ S0 and S1¬S0 absorption transition
  • A.A. Ruth*, E.W. Gash*, M. Staak* and S.E. Fiedler
    Multi-photon UV photolysis of naphthalene-gas mixtures: A new gas-phase oscillatory system
    Phys. Chem. Chem. Phys. 4 (2002) 5217-5220. 
  • A.A. Ruth*, T. Fernholz, R.P. Brint* and M.W.D. Mansfield*
    The T1¬S0 absorption spectrum of gaseous 4H-pyran-4-thione
    J. Mol. Spectr. 214 (2002) 80-86. 
  • A. Dragomir, D.N. Nikogosyan, A.A. Ruth*, K.A. Zagorul’ko and P.G. Kryukov
    Long-period fibre grating formation with 264 nm femtosecond radiation
    Electron. Lett.38 (2002) 269-271.
  • A.A. Ruth*, W.G. Doherty and R.P. Brint*
    The 1(pp*)¬1A1X transition in jet-cooled 4H-pyran-4-thione: Evidence for a low lying second excited singlet state
    Chem. Phys. Lett.< 352 (2002) 191-201. 
  • A. Dragomir, J.G. McInerney, D.N. Nikogosyan and A.A. Ruth*
    The two-photon absorption coefficients of several liquids at 264 nm
    IEEE J. Quantum Electron. 38 (2002) 31-36. 
  • A.A. Ruth*
    Laser Spectroscopy of Jet-Cooled Aromatic Hydrocarbons and Thiocarbonyl Compounds
    Habilitationsschrift Technische Universität Berlin (11/2000). 
  • A.A. Ruth*
    Physik in Irland
    Physikalische Blätter 56 (2000) 54-56
  • A.A. Ruth*, E.-K. Kim and A. Hese;
    The S0->S1 cavity ring-down absorption spectrum of jet-cooled azulene: dependence of internal conversion on the excess energy 
    Phys. Chem. Chem. Phys. 22 (1999) 5121-5129. 
  • A.A. Ruth*
    Hochauflösende optische Absorptionsspektroskopie: Cavity-Ring-Down Spektroskopie
    Physikalische Blätter 55 (1999) 47-49.

1998 -1995

  • A.A. Ruth*, T. Fernholz, M.W.D. Mansfield*, R.P. Brint*
    The cavity ring-down absorption spectrum of the S0-> T1 and S0-> S1 transition of jet-cooled 4-H-1-benzopyrane-4-thione
    Chem. Phys. Lett. 287 (1998) 403-411.Abstract
  • M.W.D. Mansfield* and C.T. O'Sullivan
    Understanding Physics
    Wiley-Praxis, 755 pages, Chichester (1998). ISBN 0-471-97554-0 (pb), 0-471-97553-2 (hb)
  • M.W.D. Mansfield* and C.T. O'Sullivan
    Instructor's Manual for Understanding Physics
    Wiley, 143 pages, Chichester (1998). ISBN 0-471-98614-3
  • A.A. Ruth*, F.J. O'Keeffe, M.W.D. Mansfield*, R.P. Brint*
    Van der Waals complexes of jet-cooled aromatic thiones with noble gases: The phosphorescence excitation spectrum of 4-H-pyrane-4-thione
    J. Phys. Chem. A 101 (1997) 7735-7741.
  • A.A. Ruth*, F.J. O'Keeffe, R.P. Brint*, M.W.D. Mansfield*
    The phosphorescence excitation spectrum of jet-cooled 4-H-1-benzopyrane-4-thione
    Chem. Phys. Lett. 217 (1997) 83-98.
  • A.A. Ruth*, M. Wick
    The S0-> S4 transition of jet-cooled fluoranthene: Vibronic coupling of S4 with S3
    Chem. Phys. Lett.266 (1997) 206-216.
  • A.A. Ruth*, F.J. O'Keeffe, M.W.D. Mansfield*, R.P. Brint*
    The resonance-enhanced multiphoton excitation spectrum of jet-cooled 4-H-1-Benzopyrane-4-thione
    Chem. Phys. Lett. 264 (1997) 605-613.
  • L. Singleton and P. Brint*
    Perturbation theory model of molecular Rydberg orbitals: Application to polyatomic molecules; water, formaldehyde, acetone and acetaldehyde
    J. Chem. Soc. Faraday Trans93 (1997) 11-20.
  • L. Singleton and P. Brint*
    Calculation of the Rydberg state energies of HCl
    J. Chem. Soc. Faraday Trans. 93 (1997) 21-24.
  • J. Bould, P. Brint*, J.D. Kennedy, M. Thorntonpett, L. Barton and N.P. Rath NP
    Metallaborane reaction chemistry. 3. Reaction of carbon monoxide with [6-H-6(PPH3)-6(P), 5(C)-MU-(2-PH2PC6H4)-NIDO-6-IRB9H12] and the isolation and characterization of two ARACHNO-6-MONOIRIDADECABORANES [6-(CO)-6-H-6,9-(PPH3)(2)-6(P),5(C)-MU-(2-PH2PC6H4)-ARACHNO-6-IRB9H11] and CHARACTERISATION OF TWO AND SYM-[6-(CO)-6-H-6,6-(PME2PH)(2)-9(PPH3)-ARACHNO-6-IRB9H11]. 
    Collect. Czech. Chem. Comm. 62 (1997) 1239-1253.
  • E. Koudoumas, A.A. Ruth*, S. Couris, S. Leach
    Solvent effects on the optical limiting action of C60 solutions
    Mol. Phys. 88 (1996) 125-133.
  • H. Eisenberger, B. Nickel, A.A. Ruth*, R.P. Steer
    Photophysical triplet state processes of 4-H-1-benzopyrane-4-thione in a perfluoroalkane. Part 2.- Delayed S2 -> S0 fluorescence due to triplet-triplet annihilation
    JCS Faraday Transaction 92 (1996) 741-746.
  • M.W.D. Mansfield* , J.T. Costello, E.T. Kennedy, J.P. Mosnier, L.Kiernan and U. Koble
    Recent Observations of Giant Resonances in Atoms and Ions
    Chapter in Clusters and Related Systems - New Perspectives on the Many-body Problem. Ed. J.P. Connerade, World Scientific, Singapore (1996)
  • S. Couris, E. Koudoumas, A.A. Ruth*, S. Leach
    Concentration and wavelength dependence of the effective third order susceptibility and optical limiting of C60 in toluene 
    J. Phys. B: At. Mol. Opt. Phys. 28 (1995) 4537-4554.
  • L. Singleton, P. Brint* and G.P. Thomas
    Perturbation theory model of molecular Rydberg orbitals – application to diatomic molecules
    J. Chem. Soc. Faraday Trans. 91 (1995) 2699-2707.
  • E. Lane, P. Brint*, M. Tziraki and S. Couris
    Multiphoton ionisation spectroscopy of ethyl iodide and deuteriated ethyl iodide in the region of the 6s Rydberg transitions – evidence of molecular field splitting of spin-orbit degenerate states
    J. Chem. Soc. Faraday Trans. 91 (1995) 3083-3088.
  • C. McGuiness, G. O' Sullivan, P.K. Carroll, D. Audley and M.W.D. Mansfield*
    3d absorption spectra of Sr I through Sr IV
    Phys. Rev. A51 (1995) 2053-2062.

1991 - 1994

  • B. Nickel, H. Wilhelm and A.A. Ruth*
    Anti-Smoluchoski time dependence of the delayed fluorescence from anthracene in viscous solution due to triplet-triplet annihilation. Effect of Förster energy transfer S1+T1-> S0+Tn on the initial spatial distribution of molecules in T1
    Chem. Phys. Lett. 188 (1994) 267-287.
  • B. Nickel and A.A. Ruth*
    Dual phosphorescence from 2-(2'-hydroxyphenyl)benzoxazole in amorphous solid solution:
    Temperature dependence of dispersive kinetics of nonexponential triplet decay
    Chem. Phys. Lett. 184 (1994) 261-271.
  • M.T. Wick, B. Nickel, and A.A. Ruth*
    The S0-> S3 transition in 1,2-benzanthracene. Experimental evidence for the statistical limit of vibronic coupling of S3 with S2
    Chem. Phys. Lett. 215 (1993) 243-250.
  • S. Couris, P. Agapaki and P. Brint*
    2+1 (2+2) REMPI-TOF study of the lowest Rydberg states (6s, 6s') of methyl and propyl iodides.
    Laser Chemistry 13 (1993) 151-157.
  • M.W.D. Mansfield* and M.A. Baig
    A high resolution re-examination of the Yb I 5p-subshell absorption spectrum.
    J. Phys. B. 26 (1993) 2273-2288.
  • A.A. Ruth*, B. Nickel, and H. Lesche
    Temperature dependence of viscosity and density of glass-forming alkanes
    Z. Phys. Chem.175 (1992) 91-108.
  • L. O'Toole, P. Brint*, C. Kosmidis, G. Boulakis and A. Bolovinos 
    Vacuum ultraviolet absorption spectra of methyl-substituted cyclopentanones and cyclohexanones 
    J. Chem. Soc. Faraday Trans. 88 (1992) 1237-1243.
  • J.T. Costello, D. Evans, R.B. Hopkins, E.T. Kennedy, L. Kiernan, M.W.D. Mansfield* 
    The 2p-subshell photoabsorption spectrum of Al+ in a laser produced plasma
    J. Phys. B. 25 (1992) 5055-5068.
  • H. Eisenberger, B. Nickel, A.A. Ruth*, W. Al-Soufi, K.H. Grellmann, and M. Novo
    Keto-enol tautomerization of 2-(2'-hydroxyphenyl)benzoxazole and 2-(2'-hydroxy-4'-methylphenyl)benzoxazole in the triplet state; hydrogen tunneling and isotope effects. Part II. dual phosphorescence kinetics
    J. Phys. Chem. 95 (1991) 10509-10518.
  • B. Nickel and A.A. Ruth*
    Phosphorescence from phenazine in alkane solvents in the glass transition range:
    Spin-lattice, environment, and orientation relaxation of molecules in the metastable triplet state
    J. Phys. Chem. 95 (1991) 2027-2036.
  • P. Brint*, L. O'Toole, S. Couris and D. Jardine 
    Multiphoton ionisation spectroscopy of the 3s(2+2, 1) and 4s(3+1) Rydberg states of acetone: evidence for a molecular valence state at 153 nm 
    J. Chem. Soc. Faraday Trans. 87 (1991) 2891-2895. 
  • L. O'Toole, P. Brint*, C. Kosmidis, G. Boulakis and P. Tsekeris
    Vacuum-ultraviolet absorption spectra of propanone, butanone and the cyclic ketones CnH2n-2O (n=4, 5, 6, 7)
    J. Chem. Soc. Faraday Trans. 87 (1991) 3343-3351.

Laser Spectroscopy Group

Room 213, 2nd floor, Laser Spectroscopy Group, Physics Department, University College Cork, Ireland,