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Double-sided hybrid microoptical elements combining functions of multistage optical systems

 
: Zeitner, U.D.; Dannberg, P.

Kley, E.-B. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Lithographic and micromachining techniques for optical component fabrication : 29 -30 July 2001, San Diego, USA
Bellingham/Wash.: SPIE, 2001 (SPIE Proceedings Series 4440)
ISBN: 0-8194-4154-6
S.44-50
Conference on Lithographic and Micromachining Techniques for Optical Component Fabrication <2001, San Diego/Calif.>
Englisch
Konferenzbeitrag
Fraunhofer IOF ()
microoptics; hybrid element; diffractive optics

Abstract
By using modern wave optical design methods elements and systems with complex optical functions, such as beam shapers or phase correctors can be calculated. Often the positioning of the optical elements to each other and to the optical beam axis is extremely critical and requires an considerable effort during assembly. We demonstrate two fabrication methods suitable for the high precision wafer-scale realization of complex microoptical systems comprising different optical functions. These methods are the combination of different optical functions by a special laser lithographic writing technique on reflow lenses and a double sided UV-replication technique. The method is demonstrated by an example system consisting of a single-mode fiber collimation, a beam shaping and a phase correction function.

: http://publica.fraunhofer.de/dokumente/N-8902.html