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Biography

Dr. Bisrat G. Assefa has earned his Ph.D and M.Sc degrees from Institute of Photonics at the University of Eastern Finland (UEF) in the area of Optics and Photonics. He has been working as researcher in the 3D printed photonics and freeform optics research group at UEF from 2014 to 2019 on designing and characterizing 3D-printable optics and photonics elements for imaging, illumination and photonics application.

He was a full scholarship grant winner from UEF while studying his M.Sc degree in Photonics from 2012 to 2014. He also received his B.Sc and M.Sc degrees in Electrical Engineering from Hawassa University and Addis Ababa University in 2009 and 2012, respectively. His expertise broadly focuses in the designing, analysis and prototyping of advance optics such as freeform optics, diffractive grating and waveguides.

Activities

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Employment (1)

University of Eastern Finland: Joensuu, FI

2014-09-01 to 2019 | Early Stage Researcher (Institute of Photonics)
Employment
Source: Self-asserted source
Bisrat G. Assefa

Education and qualifications (1)

University of Eastern Finland: Kuopio, FI

2014-09 to 2019-11 | PhD in Science, Technology and Computing (Institute of Photonics)
Education
Source: Self-asserted source
Bisrat G. Assefa

Works (10)

Designing and 3D-Printing Optical Components for Imaging, Illumination and Photonics Applications

2019-11-01 | Dissertation or Thesis
Source: Self-asserted source
Bisrat G. Assefa

Imaging-quality 3D-printed centimeter-scale lens

Optics Express
2019-04-29 | Journal article
DOI: 10.1364/oe.27.012630
Part of ISSN: 1094-4087
Source: Self-asserted source
Bisrat G. Assefa

Realizing freeform lenses using an optics 3D-printer for industrial based tailored irradiance distribution

OSA Continuum
2019-03-15 | Journal article
DOI: 10.1364/osac.2.000690
Part of ISSN: 2578-7519
Source: Self-asserted source
Bisrat G. Assefa

Imaging quality 3D-printed inch scale lenses with 10[angstrom] surface quality for swift small or medium volume production (Conference Presentation)

Organic Photonic Materials and Devices XXI
2019-03-05 | Conference paper
DOI: 10.1117/12.2506010
Source: Self-asserted source
Bisrat G. Assefa

3D printed plano-freeform optics for non-coherent discontinuous beam shaping

Optical Review
2018-06 | Journal article
DOI: 10.1007/s10043-018-0428-1
Part of ISSN: 1340-6000
Part of ISSN: 1349-9432
Source: Self-asserted source
Bisrat G. Assefa

3D printing for versatile optics (Conference Presentation)

3D Printed Optics and Additive Photonic Manufacturing
2018-05-29 | Conference paper
DOI: 10.1117/12.2316491
Source: Self-asserted source
Bisrat G. Assefa

Design and characterization of 3D-printed freeform lenses for random illuminations

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXII
2018-02-15 | Conference paper
DOI: 10.1117/12.2288223
Source: Self-asserted source
Bisrat G. Assefa

Graphene Integrated Slot Waveguide: Design and Fabrication Techniques

2014-06 | Dissertation or Thesis
Source: Self-asserted source
Bisrat G. Assefa

Non-Uniform Sampling Based Feature Extraction For Automatic Speech Recognition

2012-02 | Dissertation or Thesis
Source: Self-asserted source
Bisrat G. Assefa

Computer Controlled Home Security System Using GSM Network for Notification Purpose

2009-07 | Dissertation or Thesis
Source: Self-asserted source
Bisrat G. Assefa
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