1.

Conference Proceedings
Conference Proceedings
1. ESO VLT laser guide star facility
Tapia,M. ; Hackenberg,W.K. ; Cullum,M.J. ; Brunetto,E. ; Ott,T. ; Quattri,M. ; Allaert,E. ; Dimmler,M. ; Tarenghi,M. ; Kersteren,A.Van ; Chirico,C.Di ; Buzzoni,B. ; Gray,P. ; Tamai,R. ; Tapia,M.
Pub. info.: Adaptive optics systems and technology II : 30 July-1 August 2001, San Diego, USA.  pp.276-289,  2001.  Bellingham, Wash..  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4494
2.

Conference Proceedings
Conference Proceedings
2. Fiber Raman laser development for multiconjugate adaptive optics with sodium laser guide stars
Hackenberg,W.K. ; Bonaccini,D.
Pub. info.: Adaptive optics systems and technology II : 30 July-1 August 2001, San Diego, USA.  pp.271-275,  2001.  Bellingham, Wash..  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4494
3.

Conference Proceedings
Conference Proceedings
3. Modular concept for ELT adaptive optics
Bonaccini,D. ; Hackenberg,W.K.
Pub. info.: Adaptive optics systems and technology II : 30 July-1 August 2001, San Diego, USA.  pp.41-51,  2001.  Bellingham, Wash..  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4494
4.

Conference Proceedings
Conference Proceedings
4. Beam quality and polarization analysis of the ALFA laser at Calar Alto and the influence on brightness and size of the laser guide star
Rabien,S. ; Davies,R.I. ; Hackenberg,W.K. ; Eckart,A. ; Ott,T. ; Butler,D.J.
Pub. info.: Adaptive optics systems and technology : 21-22 July 1999, Denver, Colorado.  pp.368-377,  1999.  Bellingham, Wash..  SPIE - The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 3762