1.

Conference Proceedings
Conference Proceedings
1. CCD-camera system for stereoscopic optical observations of the aurora
Frey,H.U. ; Lieb,W. ; Bauer,O.H. ; Hofner,H. ; Haerendel,G.
Pub. info.: Current developments in optical design and optical engineering VI : 5-7 August 1996, Denver, Colorado.  pp.460-466,  1996.  Bellingham, Wash., USA.  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 2863
2.

Conference Proceedings
Conference Proceedings
2. Optical design of the multispectral limb photometer for the WAVES explorer
Habraken,S. ; Defise,J.-M. ; Ligot,R. ; Rochus,P. ; Mende,S.B. ; Frey,H.U.
Pub. info.: Optical spectroscopic techniques, remote sensing, and instrumentation for atmospheric and space research IV : 30 July-2 August 2001, San Diego, USA.  pp.28-38,  2001.  Bellingham, Wash..  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4485
3.

Conference Proceedings
Conference Proceedings
3. Optical calibration of the FUV spectrographic imager for the IMAGE mission
Habraken,S. ; Houbrechts,Y. ; Renotte,E. ; Hellin,M.-L. ; Orban,A. ; Rochus,P.P. ; Mende,S.B. ; Frey,H.U. ; Geller,S. ; Stock,J.M.
Pub. info.: EUV, x-ray, and gamma-ray instrumentation for astronomy X : 21-23 July 1999 Denver, Colorado.  pp.508-517,  1999.  Bellingham, Wash..  SPIE - The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 3765
4.

Conference Proceedings
Conference Proceedings
4. Three-dimensional reconstruction of the auroral arc emission from stereoscopic optical observations
Frey,H.U. ; Frey,S. ; Bauer,O.H. ; Haerendel,G.
Pub. info.: Digital image recovery and synthesis III : 5-6 August, 1996, Denver, Colorado.  pp.142-149,  1996.  Bellingham, Wash., USA.  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 2827
5.

Technical Paper
Technical Paper
5. Thermal Model of an IR-Radiator and Calculation of the Radiation Field
Frey,H.U.
Pub. info.: 31st International Conference on Environmental Systems : SAE technical paper.  pp.1-8,  2001.  Warrendale, Penn..  Society of Automotive Engineers
Title of ser.: Society of Automotive Engineers technical paper series
Ser. no.: 2001