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Physics

Research Profiles

Dr. Albert Ruth Dipl. Phys (MSc), Dr. rer.nat (PhD) habil. (DSc)

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Dr. Albert Ruth Dipl. Phys (MSc), Dr. rer.nat (PhD) habil. (DSc)

Books

A.A. Ruth; (2000) Laser Spectroscopy of Jet-Cooled Aromatic Hydrocarbons and Thiocarbonyl Compounds. Technische Universität Berlin: Habilitationsschrif. [Details]
A.A. Ruth; (1992) Phosphoreszenz von Phenazin und Chinoxalin in glasbildenden Alkanen: Reorientierung und Spin-Gitter-Relaxation von Molekülen im metastabilen Triplettzustand. Dissertation Göttingen: Dissertation Göttingen. [Details]
   

Peer Reviewed Journals

Dragomir, A.,McInerney, J. G.,Nikogosyan*, D. N.,Ruth, A. A.; (2002) 'Two-photon absorption coefficients of several liquids at 264 nm'. IEEE Journal of Quantum Electronics, 38 (1):31-36. Available Online [Details]
Brint*, R. P.,Doherty, W. G.,Ruth, A. A.; (2002) 'The phosphorescence excitation spectrum of jet-cooled xanthione in the region of the T-1 <- S-o and S-1 <- S-0 absorption transitions'. Journal of Molecular Spectroscopy, 216 (1):151-158. Available Online [Details]
Ruth*, A. A.,Doherty, W. G.,Brint, R. P.; (2002) 'The 1A1(ππ*)←X1A1 transition in jet-cooled 4H-pyran-4-thione: evidence for a dark 1B1(nπ2*) state below 1A1(ππ*)'. Chemical Physics Letters, 352 (3-4):191-201. Available Online [Details]
Ruth*, A. A.,Fernholz, T.,Brint, R. P.,Mansfield, M. W. D.; (2002) 'The T-1 <- S-0 absorption spectrum of gaseous 4H-pyran-4-thione'. Journal of Molecular Spectroscopy, 214 (1):80-86. Available Online [Details]
Ruth*, A. A.,Gash, E. W.,Staak, M.,Fiedler, S. E.; (2002) 'Multi-photon UV photolysis of naphthalene gas mixtures: A new oscillatory system'. Physical Chemistry Chemical Physics, 4 (21):5217-5220. Available Online [Details]
Dragomir, A.,Nikogosyan*, D. N.,Ruth, A. A.,Zagorul'ko, K. A.,Kryukov, P. G.; (2002) 'Long-period fibre grating formation with 264 nm femtosecond radiation'. Electronics Letters, 38 (6):269-271. Available Online [Details]
Fiedler, S. E.,Hese, A.,Ruth*, A. A.; (2003) 'Incoherent broad-band cavity-enhanced absorption spectroscopy'. Chemical Physics Letters, 371 (3-4):284-294. Available Online [Details]
Kryukov, P. G.,Larionov, Y. V.,Rybaltovskii, A. A.,Zagorul'ko, K. A.,Dragomir, A.,Nikogosyan*, D. N.,Ruth, A. A.; (2003) 'Long-period fibre grating fabrication with femtosecond pulse radiation at different wavelengths'. Microelectronic Engineering, 69 (2-4):248-255. Available Online [Details]
Ruth*, A. A.,Lesche, H.,Nicke, B.; (2003) 'Temperature dependence of viscosity and density of cis-1,4/trans-1,3-dimethylcyclohexane and several other commonly used organic solvents'. Zeitschrift Fur Physikalische Chemie-International Journal of Research in Physical Chemistry & Chemical Physics, 217 (6):707-722. Available Online [Details]
Fiedler, S. E.,Hoheisel, G.,Ruth*, A. A.,Hese, A.; (2003) 'Incoherent broad-band cavity-enhanced absorption spectroscopy of azulene in a supersonic jet'. Chemical Physics Letters, 382 (3-43-4):447-453447. Available Online [Details]
Nickel, B.,Borowicz, P.,Ruth*, A. A.,Troe, J.; (2004) 'Application of Smoluchowski's generalized theory to the kinetics of triplet-triplet annihilation of anthracene in viscous solution after long-pulse excitation'. Physical Chemistry Chemical Physics, 6 (13):3350-3363. Available Online [Details]
Staak, M.,Gash, E. W.,Venables, D. S.,Ruth*, A. A.; (2005) 'The rotationally-resolved absorption spectrum of formaldehyde from 6547 to 6804 cm-1'. Journal of Molecular Spectroscopy, 229 (1):115-121. Available Online [Details]
Fiedler, S. E.,Hese, A.,Ruth*, A. A.; (2005) 'Incoherent broad-band cavity-enhanced absorption spectroscopy of liquids'. Review of Scientific Instruments, 76 (88). Available Online [Details]
Ruth*, A. A.,Young, J. A.; (2006) 'Generation of CdSe and CdTe nanoparticles by laser ablation in liquids'. Colloids and Surfaces a-Physicochemical and Engineering Aspects, 279 (1-3):121-127. Available Online [Details]
Ruth*, A. A.,Nickel, B.; (2006) 'Spin-lattice relaxation and rotational motion of aromatic triplet-state molecules in supercooled alkane solvents (Part 1): Invited paper in Special issue'. Journal of Physical Chemistry A, 110 (99):3138-31503138. Available Online [Details]
Venables, D. S.,Gherman, T.,Orphal, J.,Wenger, J. C.,Ruth*, A. A.; (2006) 'High sensitivity in situ monitoring of NO3 in an atmospheric simulation chamber using incoherent broadband cavity-enhanced absorption spectroscopy'. Environmental Science & Technology, 40 (21):6758-6763. Available Online [Details]
Ruth*, A. A.,Orphal, J.,Fiedler, S. E.; (2007) 'Fourier-transform cavity-enhanced absorption spectroscopy using an incoherent broadband light source'. Applied Optics, 46 (17):3611-3616. Available Online [Details]
O'Leary, D. M.,Orphal, J.,Ruth*, A. A.,Heitmann, U.,Chelin, P.,Fellows, C. E.; (2008) 'The cavity-enhanced absorption spectrum of NH3 in the near-infrared region between 6850 and 7000 cm-1 in: Special Issue on Planetary Science'. Journal of Quantitative Spectroscopy & Radiative Transfer, 109 (6):1004-1015. Available Online [Details]
Vaughan, S.,Gherman, T.,Ruth*, A. A.,Orphal, J.; (2008) 'Incoherent broad-band cavity-enhanced absorption spectroscopy of the marine boundary layer species I-2, IO and OIO'. Physical Chemistry Chemical Physics, 10 (30):4471-4477. Available Online [Details]
Ruth*, A. A.,Lynch, K. T.; (2008) 'Incoherent broadband cavity-enhanced total internal reflection spectroscopy of surface-adsorbed metallo-porphyrins'. Physical Chemistry Chemical Physics, 10 (47):7098-7108. Available Online [Details]
Orphal, J.,Ruth*, A. A.; (2008) 'High-resolution Fourier-transform cavity-enhanced absorption spectroscopy in the near-infrared using an incoherent broad-band light source'. Optics Express, 16 (23):19232-19243. Available Online [Details]
Gherman, T.,Venables, D. S.,Vaughan, S.,Orphal, J.,Ruth*, A. A.; (2008) 'Incoherent broadband cavity-enhanced absorption spectroscopy in the near-ultraviolet: Application to HONO and NO2'. Environmental Science & Technology, 42 (3):890-895. Available Online [Details]
Varma, R. M.,Venables, D. S.,Ruth, A. A.,Heitmann, U.,Schlosser, E.,Dixneuf, S.; (2009) 'Long optical cavities for open-path monitoring of atmospheric trace gases and aerosol extinction'. Applied Optics, 48 (4):B159-B171. Available Online [Details]
Dixneuf, S.,Ruth*, A. A.,Vaughan, S.,Varma, R. M.,Orphal, J.; (2009) 'The time dependence of molecular iodine emission from Laminaria digitata'. Atmospheric Chemistry and Physics, 9 (3):823-829. Available Online [Details]
Fuchs, H; Ball, SM; Bohn, B; Brauers, T; Cohen, RC; Dorn, HP; Dube, WP; Fry, JL; Haseler, R; Heitmann, U; Jones, RL; Kleffmann, J; Mentel, TF; Musgen, P; Rohrer, F; Rollins, AW; Ruth, AA; Kiendler-Scharr, A; Schlosser, E; Shillings, AJL; Tillmann, R; Varma, RM; Venables, DS; Tapia, GV; Wahner, A; Wegener, R; Wooldridge, PJ; Brown, SS; (2010) 'Intercomparison of measurements of NO2 concentrations in the atmosphere simulation chamber SAPHIR during the NO3Comp campaign'. Atmospheric Measurement Techniques, 3 (11):21-3721. [DOI] [Details]
A. McCarthy and A.A. Ruth*; (2011) 'Fluorescence excitation and excited state intramolecular proton transfer of jet-cooled naphtol derivatives: Part 1. 1-hydroxy-2-naphthaldehyde'. Physical Chemistry Chemical Physics, 13 (16):7485-7499. Available Online [DOI] [Details]
Nitschke, U; Ruth, AA; Dixneuf, S; Stengel, DB; (2011) 'Molecular iodine emission rates and photosynthetic performance of different thallus parts of Laminaria digitata (Phaeophyceae) during emersion'. Planta, 233 :737-748. [DOI] [Details]
R.M. Varma, D.S. Venables, A.A. Ruth*, U. Heitmann, E. Schlosser, S. Dixneuf; (2008) 'Long optical cavities for open-path monitoring of atmospheric trace gases and aerosol extinction'. Journal of Optics A-Pure and Applied Optics, . [Details]
S. Dixneuf, A.A. Ruth*, S. Vaughan, R.M. Varma, J. Orphal; (2008) 'The time dependence of molecular iodine emission from Laminaria digitata'. Atmospheric Chemistry and Physics Discussions, 8 :16501-16516. [Details]
D.S. Venables, T. Gherman, J. Orphal, J.C. Wenger and A.A. Ruth; (2006) 'High Sensitivity in situ Monitoring of NO3 in an Atmospheric Simulation Chamber using Incoherent Broadband Cavity-Enhanced Absorption Spectroscopy'. Environmental Science and Technology, 40 (*):6758-6763. [Details]
D.S. Venables, M. Staak, and A.A. Ruth*; (2005) 'Broadband cavity-enhanced absorption spectroscopy for trace gas detection'. Proceedings of the Society of Photo-Optical Instrumenta, 5826 (*):202-211. [Details]
S.E. Fiedler, A. Hese, A.A. Ruth*; (2005) 'Incoherent broad-band cavity-enhanced absorption spectroscopy in liquids (erratum)'. Review of Scientific Instruments, 76 . [Details]
A.A. Ruth, A. Dragomir, D.N. Nikogosyan*; (2003) 'Four- and two-photon absorption cross-section measurements in naphthalene vapour'. Nonlinear Optics, Quantum Optics, 30 :103-114. [Details]
R.P. Brint*, W.G. Doherty, A.A. Ruth; (2002) 'The phosphorescence excitation spectrum jet-cooled xanthione in the region of the T1<-S0 and S1<-S0 absorption transition'. Journal of Molecular Spectroscopy, 216 :151-158. [Details]
A.A. Ruth*; (2000) 'Physik in Irland'. Physikalische Blätter, 2 :54-56. [Details]
 

Conference Publications

J.A. Young, K.T. Lynch, A.J. Walsh, A.A. Ruth; (2005) Generation of noble metal nanoparticles by laser ablation in liquids: the role of the molecular environment SPIE-Proceedings, `Nanotechnology and Nanophotonics¿ , pp.138-148 [Details]
D.S. Venables, M. Staak, A.A. Ruth; (2005) Broadband cavity-enhanced absorption spectroscopy for trace gas detection SPIE-Proceedings, `Optical Sensing and Spectroscopy , pp.202-211 [Details]

Published Reports

U. Heitmann, A.A. Ruth, R.M. Varma, D.S. Venables; (2008) Air pollution - trace radical absorption through cavity-enhanced spectroscopy (TRACES). Final Report (2005-ET-MS-28-M3), prepared for the Environmental Protection Agency, Johnstown Castle. [Details]
A.A. Ruth, S. Leach; (1996) Solvent effects on the optical limiting action of C60 solutions. Heraklion, Greece, Technical Reports of the Ultraviolet Laser Facility,Institute of Electronic Structure & Laser, FORTH. [Details]
                                                                                                                                                               
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