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UID:0-314@optonet-jena.de
DTSTART;TZID=Europe/Berlin:20210128T100000
DTEND;TZID=Europe/Berlin:20210128T113000
DTSTAMP:20201213T133008Z
URL:https://optonet-jena.de/events/online-seminar-flat-optics-about-freefo
 rm-fresnel-diffractive-and-meta-lenses-2/
SUMMARY:Flat Optics • Freeform\, Fresnel\, Diffractive and Meta Lenses
DESCRIPTION:\nVortragssprache ist Englisch.\nThe steady interest in miniatu
 rizing optical systems ultimately leads to flat optics\, which includes an
 y concept to reduce the thickness of components and systems by introducing
  surfaces with high functionality. In this online seminar we invite you to
  join us on a journey through the concepts\, prospects\, challenges\, and 
 myths of the different versions of flat components\, with an emphasis on l
 enses.\n\nThe journey starts with discussing the most fundamental goal in 
 optical design\, that is\, controlling and manipulating the wavefront of t
 he light which enters an optical system. While in imaging optics spherical
  wavefronts are desired and aberrations should be minimized\, in light sha
 ping tailored aberrations should be introduced. The wavefront control and 
 shaping are accompanied by the concept of domain matching\, which aims to 
 maximize the energy throughput in a system. It is related to filling the s
 top in lens design. In the seminar we discuss the determination of the req
 uired wavefront control dependent on the design goal and the role played b
 y domain matching. We distinguish between single- and multi-channel system
 s\, which can be understood as a generalized formulation to deal with the 
 FOV of a lens system and polychromatic design tasks.\n\nIn the next stop o
 n the journey we discuss ways to realize required wavefront phase manipula
 tions by optical surfaces. We start with the design of freeform surfaces. 
 Then\, we turn to flat optics in the form of diffractive\, Fresnel-type an
 d meta surfaces. We look at pros and cons of the different approaches and 
 emphasize the similarities from a design point of view. We use physical op
 tics terminology in the seminar and do not rely on ray optics. This helps 
 us to get a fresh view of optical design and to seamlessly include flat op
 tics\, with its characteristic micro- and nanoscale surfaces. The examples
  and illustrations are done with the fast physical optics software Virtual
 Lab Fusion.\n\nWith a discussion and Q&amp\;A session the journey will be 
 ended.\nANMELDUNG\nDie Teilnahme am Online-Seminar ist kostenfrei. Zur ANM
 ELDUNG»\nIHR REFERENT\nFrank Wyrowski co-founded the company LightTrans i
 n 1999 and the company Wyrowski Photonics in 2014. He has been professor o
 f technical physics at the Friedrich Schiller University of Jena and head 
 of the Applied Computational Optics Group since 1996. His work as entrepre
 neur\, researcher\, and teacher is dedicated to developing fast physical-o
 ptics techniques and software to address the increasing demand to overcome
  the limitations of ray optics in modern optics and photonics applications
 . Customers worldwide benefit from his engagement through the companies’
  consulting and engineering services\, and the commercial optical design s
 oftware\, VirtualLab Fusion. Current R&amp\;D topics include applications 
 such as lightguides for AR and VR\, light shaping\, microscopy\, interfero
 metry\, fiber coupling\, diffractive and meta lenses\, DOE\, HOE\, freefor
 m\, microlens arrays\, and physical optics theory in general.\n\nDieses On
 line-Seminar findet in Kooperation mit LightTrans International statt.\n
 \n
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