| 摘要 |
An optoelectronic device for the projection of a first bundle (110) of coherent first electromagnetic radiation on a surface (91) comprises particularly a first radiation source (11), which is suited to radiate a first bundle (110) of coherent first electromagnetic radiation during operation. The optoelectronic device further comprises a first phase-modified element (21) in the beam path of the first electromagnetic radiation for modifying the phase of the first electromagnetic radiation in a partial region (1102) of the first bundle (110), and a radiation-guiding element (4) in the beam path of the first electromagnetic radiation for modifying a radiation direction (P1, P2) of the first bundle (110).
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