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Pollination of the alpine herbDianthus glacialis was studied in a population in the Swiss Alps in 1991 and 1992. Only one insect species,Zygaena exulans (Lepidoptera), was observed to visit the flowers ofD. glacialis. Pollen loads onZ. exulans indicate that it is an effective pollinator ofD. glacialis. In 1991,Z. exulans frequently visited flowers ofD.(More)
Maintaining excellent processing quality with high power ultrafast lasers demands new and fast beam deflecting systems. We present our latest results obtained with a fast polygon line scanner synchronized with a picosecond and femtosecond laser.
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