Theo Neger

Ao.Univ.-Prof.i.R. Dipl.-Ing. Dr.techn.

1977 …2022
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Research Output 1977 2018

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2005

Optical diagnostics of laser-induced and spark plug assisted HCCI combustion

Weinrotter, M., Wintner, E., Iskra, K. F., Neger, T., Olofsson, J., Seyfried, H., Lackner, M., Winter, F., Vressner, A. & Hultquist, A., 2005, In : SAE Technical Papers. 1963, p. 129-129

Research output: Contribution to journalArticleResearch

2004

All-optical tunability of holographically multiplexed organic distributed feedback lasers

Wright, D., Brasselet, E., Zyss, J., Langer, G., Pogantsch, A., Iskra, K. F., Neger, T. & Kern, W., 2004, In : Optics Express. 12, 2, p. 325-330

Research output: Contribution to journalArticleResearchpeer-review

Digital evaluation of interferograms

Woisetschläger, J., Hipp, M., Neger, T. & Reiterer, P., 2004, In : Measurement. 36, 1, p. 53-66

Research output: Contribution to journalArticleResearchpeer-review

Investigation of the early stages in laser-induced ignition by Schlieren photography and laser-induced fluorescence spectroscopy

Lackner, M., Charareh, S., Winter, F., Iskra, K. F., Rüdisser, D., Neger, T., Kopecek, H. & Wintner, E., 2004, In : Optics Express. 12, p. 4546-4557

Research output: Contribution to journalArticleResearchpeer-review

2003

Lasing action in optically written two-dimensional DFB gratings

Langer, G., Pogantsch, A., Iskra, K. F., Neger, T. & Kern, W., 2003, In : Synthetic metals. 137, p. 997-997

Research output: Contribution to journalArticleResearchpeer-review

2002

Absolute transition probabilities of Al I and Al II spectral lines and intensity ratios within multiplets

Vujnovic, V., Blagoev, K., Fürböck, C., Neger, T. & Jäger, H., 2002, In : Astronomy & Astrophysics. 388, 2, p. 704-711

Research output: Contribution to journalArticleResearchpeer-review

Fabrication of refractive index and relief gratings in polymer films for DFB lasing

Kavc, T., Langer, G., Kern, W., Kranzelbinder, G., Toussaere, E., Turnbull, G. A., Samuel, I. D. W., Iskra, K. F. & Neger, T., 2002, In : Materials Research Society Symposium Proceedings. 708, p. BB4.7.1.-BB4.7.1.

Research output: Contribution to journalArticleResearch

Index and relief gratings in polymer films for organic DFB lasers

Kavc, T., Langer, G., Kern, W., Kranzelbinder, G., Toussaere, E., Turnbull, G. A., Samuel, I. D. W., Iskra, K. F., Neger, T. & Pogantsch, A., 2002, In : Chemistry of Materials. 14, p. 4178-4178

Research output: Contribution to journalArticleResearchpeer-review

Reductive photopatterning of phenylene-vinylene-based polymers

Kavc, T., Langer, G., Kern, W., Ruplitsch, A., Mahler, A-K., Stelzer, F., Hayn, G., Saf, R., List, E., Zojer, E., Ahmed, M. T., Pogantsch, A., Iskra, K. F., Neger, T., Hörhold, H. H., Tillmann, H., Kanzelbinder, G., Toussaere, E. & Jakopic, G., 2002, In : Materials Research Society Symposium Proceedings. 708, p. BB11.3.1.-BB11.3.1.

Research output: Contribution to journalArticleResearch

2000

Advanced Techniques of Plasma Diagnostics Using Coherent Optics

Neger, T., 2000, In : Journal of technical physics. 41, 1, p. 377-390

Research output: Contribution to journalArticleResearchpeer-review

1998

Combustion flame diagnostics using degenerate four-wave mixing: the dipole moment power law and rotational temperature for nitric oxide

Flieser, J., Iskra, K., Morozov, A., Pichler, G. & Neger, T., 1998, In : Journal of physics / D. 31, p. 402-402

Research output: Contribution to journalArticleResearchpeer-review

Highly directional stimulated emission from a polymer waveguide

Zenz, C., Graupner, W., Tasch, S., Leising, G., Iskra, K., Flieser, J. & Neger, T., 1998, In : Journal of Applied Physics. 84, 10, p. 5445-5445

Research output: Contribution to journalArticleResearchpeer-review

1997

Spatially resolved determination of atomic particle densities and line shapes within an arc plasma by tomographic resonance interferometry

Pretzler, G., Haas, C., Neger, T. & Jäger, H., 1997, In : Applied Optics. 36, p. 8806-8813

Research output: Contribution to journalArticleResearchpeer-review

Spectral interferometry measurements of copper atom concentration in a segmented hollow cathode discharge

Szalai, L., Ulbel, M., Neger, T., Pretzler, G., Donko, Z., Rozsa, K. & Tobin, R. C., 1997, In : Zeitschrift für Naturforschung / A. 52a, p. 771-771

Research output: Contribution to journalArticleResearchpeer-review

1996

An experimental investigation of ablative capillary discharges as possible light sources for amplified spontaneous emission in the XUV

Hebenstreit, M., Ferntner, R., Neger, T., Pöckl, M. & Aumayr, F., 1996, In : Journal of physics / D. 29, p. 1933-1933

Research output: Contribution to journalArticleResearchpeer-review

Experimental investigation of the Stark Effect of the level groups 7p, 6p' and 6d of neutral Xenon

Windholz, L., Schuh, B. & Neger, T., 1996, In : Physica scripta. 54, p. 85-85

Research output: Contribution to journalArticleResearchpeer-review

Interferometric determination of the electron density in a high-pressure Xe-lamp using a holographic optical element

Widmann, K., Pretzler, G., Woisetschläger, J., Philipp, H., Neger, T. & Jäger, H., 1996, In : Applied Optics. 35, p. 5896-5896

Research output: Contribution to journalArticleResearchpeer-review

Interferometric determination of the electron desnity in a high-pressure xenon lamp with a holographic optical element

Woisetschläger, J., Neger, T., Jäger, H., Pretzler, G. & Widmann, K., 1996, In : Applied Optics. 35, p. 5896-5903

Research output: Contribution to journalArticleResearchpeer-review

Real-time measurements of electron density spatial distributions in a mini-arc plasma by dispersion interferometry

Flieser, J., Morozov, A., Neger, T. & Jäger, H., 1996, In : Journal of physics / D. 29, p. 2413-2417

Research output: Contribution to journalArticleResearchpeer-review

Recombination pumped XUV lasing capillary discharges and dynamic z-pinches

Pöckl, M., Hebenstreit, M., Fertner, R., Neger, T. & Aumayr, F., 1996, In : Journal of physics / D. 29, p. 2091-2091

Research output: Contribution to journalArticleResearchpeer-review

1995

Determination of particle densities and line profiles in plasmas by resonance interferometry: A feasibility study using computer simulated refractivity data

Haas, C., Pretzler, G., Neger, T. & Jäger, H., 1995, In : Zeitschrift für Naturforschung / A. 50a, p. 902-907

Research output: Contribution to journalArticleResearchpeer-review

Optical tomography by spectral interferometry

Neger, T., 1995, In : Journal of physics / D. 28, p. 47-47

Research output: Contribution to journalArticleResearchpeer-review

1994

Absolute oscillator strengths of Cr II - lines from combined phase shift and emission measurements

Sperger, R., Schelm, B., Kock, M., Neger, T. & Ulbel, M., 1994, In : Journal of quantitative spectroscopy & radiative transfer. 51, 5, p. 779-785

Research output: Contribution to journalArticleResearchpeer-review

Absolute transition probabilities of Cu II - lines

Crespo Lopez-Urrutia, J. R., Kenner, B., Neger, T. & Jäger, H., 1994, In : Journal of quantitative spectroscopy & radiative transfer. 52, 1, p. 111-114

Research output: Contribution to journalArticleResearchpeer-review

A novel high frequency discharge for quantitative spectroscopy

Crespo Lopez-Urrutia, J. R., Neger, T. & Jäger, H., 1994, In : Journal of physics / D. 27, p. 994-994

Research output: Contribution to journalArticleResearchpeer-review

Time-dependent collisional-radiative model for capillary discharge plasmas

Pöckl, M., Hebenstreit, M., Neger, T. & Aumayr, F., 1994, In : Journal of Applied Physics. 76, p. 733-733

Research output: Contribution to journalArticleResearchpeer-review

Transition probabilities and branching ratios of Co II - lines

Crespo Lopez-Urrutia, J. R., Ulbel, M., Neger, T. & Jäger, H., 1994, In : Journal of quantitative spectroscopy & radiative transfer. 52, 1, p. 89-93

Research output: Contribution to journalArticleResearchpeer-review

1993

High-accuracy differential interferometry for the investigation of phase objects

Pretzler, G., Neger, T. & Jäger, H., 1993, In : Measurement science & technology. 4, p. 649-649

Research output: Contribution to journalArticleResearchpeer-review

1992

Comparison of different methods of Abel inversion using computer simulated and experimental side-on data

Pretzler, G., Jäger, H., Neger, T., Philipp, H. & Woisetschläger, J., 1992, In : Zeitschrift für Naturforschung / A. 47a, p. 955-955

Research output: Contribution to journalArticleResearchpeer-review

Investigation of the population inversion in a He-Ne laser discharge by heterodyne holographic interferometry

Woisetschläger, J., Jäger, H., Neger, T. & Widmann, K., 1992, In : Applied Physics / B. 54, p. 132-132

Research output: Contribution to journalArticleResearchpeer-review

Optical tomography of phase objects by holographic interferometry

Philipp, H., Neger, T., Jäger, H. & Woisetschläger, J., 1992, In : Measurement. 10, p. 170-170

Research output: Contribution to journalArticleResearchpeer-review

1991

"Determination of thermophysical properties of indium in the range 2300 - 7000 K by a submicrosecond pulse heating method"

Pottlacher, G., Neger, T. & Jäger, H., 1991, In : High temperatures, high pressures. 23, p. 43-48

Research output: Contribution to journalArticleResearchpeer-review

Improved phase method for the determination of relative oscillator strengths: Application to Cr II.

Sperger, R. & Neger, T., 1991, In : Optics communications. 80, p. 401-401

Research output: Contribution to journalArticleResearchpeer-review

Tomographic investigation of the particle density distribution of sodium atoms in a glow discharge using heterodyne holographic interferometry

Woisetschläger, J., Jäger, H., Philipp, H., Pfeifer, G. & Neger, T., 1991, In : Physics letters / A. 152, 1-2, p. 42-46

Research output: Contribution to journalArticleResearchpeer-review

1989

Tomographic reconstruction of the temperature distribution in a convective heat flow using multidirectional holographic interferometry

Vikicevic, D., Jäger, H., Neger, T., Philipp, H. & Woisetschläger, J., 1989, In : Applied Optics. 28, p. 1508-1508

Research output: Contribution to journalArticleResearchpeer-review

1988

Transition probabilities of Cu II lines

Neger, T. & Jäger, H., 1988, In : Zeitschrift für Naturforschung / A. 43a, p. 507-507

Research output: Contribution to journalArticleResearchpeer-review

1987

Measurements of relative oscillator strengths in the sextet system of Mn I

Jäger, H., Neger, T. & Sperger, R., 1987, In : Optics communications. 61, p. 252-252

Research output: Contribution to journalArticleResearchpeer-review

Stark widths of Cu I and Cu II lines

Neger, T. & Jäger, H., 1987, In : Zeitschrift für Naturforschung / A. 42a, p. 429-429

Research output: Contribution to journalArticleResearchpeer-review

"Thermophysical measurements on liquid iron and nickel"

Pottlacher, G., Jäger, H. & Neger, T., 1987, In : High temperatures, high pressures. 19, p. 19-27

Research output: Contribution to journalArticleResearchpeer-review

1986

A capillary discharge for the determination of plasmadiagnostically relevant atomic quantities

Neger, T. & Jäger, H., 1986, In : Zeitschrift für Naturforschung / A. 41a, p. 1049-1049

Research output: Contribution to journalArticleResearchpeer-review

Determination of relative oscillator strengths of Mn II lines by hook measurements

Neger, T., 1986, In : Journal of physics / D. 19:L, p. 153-153

Research output: Contribution to journalArticleResearchpeer-review

"Thermophysical Measurements on Solid and Liquid Rhenium"

Pottlacher, G., Neger, T. & Jäger, H., 1986, In : International Journal of Thermophysics. 7.1, p. 149-159

Research output: Contribution to journalArticleResearchpeer-review

1984

Application of the hook method for the investigation of electrical discharges with rotational symmetry

Neger, T. & Jäger, H., 1984, In : Journal of physics / D. 17, p. 1983-1983

Research output: Contribution to journalArticleResearchpeer-review

Relative oscillator strengths of Cu I lines from hook and emission measurements

Zettl, F., Neger, T. & Jäger, H., 1984, In : Journal of Physics / B. 17, 9, p. 1755-1760

Research output: Contribution to journalArticleResearchpeer-review