Jahrgang 1991:

• Spindler, G., Renz, G.: Chaotic behavior of electron orbits in a free electron laser near magnetoresonance. . Nuclear Instruments and Methods in Physics Research A, A 304 (1991), (1991), S. 492-496,
• Spindler, G., Renz, G.: Free-electron lasers: Spontaneous emission of electrons with chaotic orbits. . Physics of Fluids B3 (1991) 12, (1991), S. 3517-3523,

Jahrgang 1992:

• Renz, G., Spindler, G.: Effect of electron dynamics on spontaneous emission spectra in free electron lasers. . Proceedings Vol. A318 (1992) NuclearInstruments and Methods in Physics Research, Section A, S. 669-674, North Holland, Niederlande, (1992)
• Renz, G., Spindler, G.: The Stuttgart Raman Free Electron Laser - Project: Theoretical and Experimental Results. . Proceedings (1992)., S. 56-57, SPIE, USA, (1992)
• Spindler, G., Renz, G., Conde, M.E., Bekefi, G.: Analysis of the electron dynamics in a Raman Free Electron Laser with Reversed Axial Guide Magnetic Field. . BEAMS '92, Proceedings (1992)., (1992)

Jahrgang 1993:

• Renz, G., Spindler, G.: Sideband Evolution from Spontaneous into Amplified Emission in a Free Electron Laser. . Button, MIT 14 (1993) 10, 14, (1993),

Jahrgang 1994:

• Renz, G.: Experimenteller Aufbau und theoretische Untersuchung eines Hochstrom-Freie-Elektronen-Lasers im Millimeter-Wellenlängenbereich. . DLR-FB, 94-10, (1994)
• Renz, G., Spindler, G.: Simulation of reversed and conventional guide field operation in a free electron laser .
• Spindler, G., Renz, G.: Free-electron Laser: Scaling Laws for Microundulator Operation in Magnetoresonance with a Strong Guide Field. . American Institute of Physics of Plasma. Woodbury, N. Y. (1994), 1, (1994),
• Spindler, G., Renz, G.: Microundulator operation resonantly enhances by a strong magnetic guide field .

Jahrgang 1996:

• Jung, M., Mayerhofer, W., Renz, G., Rieger, M., Zeyfang, E.: PFN's Switched with SDR's at 15 kV, 225 J and 100 Hz Rep-rate. . Conference Record of the 1996 Twenty-Second International Power Modulator Symposium, June 25-27, 1996, Boca Rotan, FL, USA, S. 173-176, IEEE, Piscataway, NJ, USA, (1996)
• Jung, M., Mayerhofer, W., Renz, G., Zeyfang, E.: High Power CO2-Laser at 100 Hz Rep-rate. . Conference Record of the 1996 Twenty-Second International Power Modulator Symposium, June 25-27, 1996, Boca Rota, FL, USA, S. 243-246, IEEE, Piscataway, NJ, USA, (1996)
• Nowack, R., Bochum, H., Schock, W., Wessel, K., Renz, G., et al.: Diffusion cooled CO2 waveguide lasers for the multi kW power range . European Symposium on Lasers,Optics, and Vision for Productivity in Manufacturing II, 10-14 June 1996, Becancon, France, (1996)

Jahrgang 2001:

• Scholl, M, Menschig, A, Renz, G, Opower, H: Technique for the rapid prototyping of opto-electronic multichip modules . Photonics Packaging and Integration III; SPIE, Proceedings, 4290B, 1., SPIE, (2001)

Jahrgang 2002:

• Bohn,W.L., Klose,M. , Renz,G.: Performance of a Directed Infrared Countermeasure Laser System . Fifth International Military Sensing Symposium,Gaithersburg,MD,USA,9-12 Dezember 2002, National Institute of Standards and Technology, (2002)

Jahrgang 2003:

• Bohn, M., Riede, W., Renz, G.: Improving the beam quality of Mid-IR OPOs using an unstable resonator . Advanced Solid State Photonics 2003, San Antonio, Texas, USA, 2.-5.2.2003, Optical Society of America, (2003)
• G.Renz, M.Klose: Three-dimensional numerical modeling of Mid-IR OPOs with an implicit finite difference method . Advanced Solid-State Photonics,SanAntonio, USA, 2-5.2.03, Optical Society of America, Advanced Solid-State Photonics, S. 219-221, (2003)
• Renz, G.: Numerical modeling of mid-IR OPO's for beam quality studies with an implicit finite difference method . Trends in Optics and Photonics, 83, (2003), S. 235-240,