TY - JOUR A1 - Hagemann, Hans-Jürgen A1 - Geittner, P. A1 - Warnier, J. A1 - Weling, F. T1 - Reduction of geometric taper losses in the PCVD process. Geittner, P.; Hagemann, H. J.; Warnier, J.; Weling, F.; Wilson, H. JF - Electronics letters : an intern. publication / The Institution of Electrical Engineers. 21 (1985), H. 13 Y1 - 1985 SN - 0013-5194 SP - 870 EP - 871 ER - TY - JOUR A1 - Hagemann, Hans-Jürgen A1 - Geittner, P. T1 - PCVD hybrid technology for single mode fibres. Hagemann, H. J.; Geittner, P. JF - Proceedings : papers presented at: the 8th Annual European Fibre Optic Communications and Local Area Networks Exposition Y1 - 1990 N1 - EFOC LAN <8, 1990, München> SP - 67 EP - 72 ER - TY - JOUR A1 - Hagemann, Hans-Jürgen A1 - Geittner, P. A1 - Warnier, J. A1 - Wilson, H. T1 - PCVD at high deposition rates. Geittner, P.; Hagemann, H. J.; Warnier, J.; Wilson, H. JF - Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 4 (1986), H. 7 Y1 - 1986 SN - 0733-8724 SP - 818 EP - 822 ER - TY - JOUR A1 - Hagemann, Hans-Jürgen A1 - Geittner, P. A1 - Leers, D. T1 - Intrinsic scattering and absorption losses of Ge- and F-doped optical fibres prepared by PCVD. Geittner, P.; Hagemann, H. J. ; Leers, D. JF - Electronics letters : an intern. publication / The Institution of Electrical Engineers. 25 (1989), H. 7 Y1 - 1989 SN - 0013-5194 SP - 436 EP - 437 ER - TY - JOUR A1 - Hagemann, Hans-Jürgen A1 - Geittner, P. A1 - Lydtin, H. A1 - Warnier, J. T1 - Hybrid technology for large SM-fiber preforms. Geittner, P.; Hagemann, H. J.; Lydtin, H.; Warnier, J. JF - Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 6 (1988), H. 10 Y1 - 1988 SN - 0733-8724 SP - 1451 EP - 1454 ER -