Abstract:
:Micro-optics are widely used in numerous applications, such as beam shaping, collimation, focusing and imaging. We use femtosecond 3D printing to manufacture free-form micro-optical elements. Our method gives sub-micrometre accuracy so that direct manufacturing even on single-mode fibres is possible. We demonstrate the potential of our method by writing different collimation optics, toric lenses, free-form surfaces with polynomials of up to 10th order for intensity beam shaping, as well as chiral photonic crystals for circular polarization filtering, all aligned onto the core of the single-mode fibres. We determine the accuracy of our optics by analysing the output patterns as well as interferometrically characterizing the surfaces. We find excellent agreement with numerical calculations. 3D printing of microoptics can achieve sufficient performance that will allow for rapid prototyping and production of beam-shaping and imaging devices.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Gissibl T,Thiele S,Herkommer A,Giessen Hdoi
10.1038/ncomms11763subject
Has Abstractpub_date
2016-06-24 00:00:00pages
11763issn
2041-1723pii
ncomms11763journal_volume
7pub_type
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