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High-precision assembly of micro-prisms

: Harnisch, G.; Peschel, T.; Thorwirth, G.; Rudolph, B.

MOC '04, 10th Microoptics Conference. CD-ROM : September 1 - 3, 2004, Friedrich-Schiller-Universität Jena, Germany
Jena: Conventus Congressmanagement & Marketing, 2004
ISBN: 3-8274-1603-5
2 pp.
International Microoptics Conference (MOC) <10, 2004, Jena>
Conference Paper
Fraunhofer IOF ()
adhesive joining; active alignment; assembly micro-prism

An assembly of four prisms in a so-called butterfly arrangement had to be produced by adhesive joining. The parallelism of the four output beams was required to be below one arc minute. Using active alignment and a specially designed algorithm a beam parallelism of less the 2 arc minute was achieved for the worst case while the mean deviation amounted to less than 0.4 arc minutes.