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Analysis of Folded Imaging System and Multiple Apertures · 2018-07-12 · Analysis of Folded...
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![Page 1: Analysis of Folded Imaging System and Multiple Apertures · 2018-07-12 · Analysis of Folded Imaging System and Multiple Apertures Virtual and Mixed Reality > Near-Eye-Displays.](https://reader034.fdocuments.in/reader034/viewer/2022042120/5e9a7d396e028527e32a3e33/html5/thumbnails/1.jpg)
Analysis of Folded Imaging System and Multiple Apertures
Virtual and Mixed Reality > Near-Eye-Displays
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Task/System Illustration
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collimationobjective
waveguide
pointsource
spot diagram
?intensitypattern
?
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Highlights
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• non-sequential analysis of propagation in the waveguide• full automatic handling of multiple apertures within the system
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Parameter Description / Value & Unittype/number spherical wave (point source)wavelength 532 nmpolarization linear in x-direction (0°)lateral offset 0 distance to next surface 30.955 mmaperutre at next surface 2.5 mm × 2.5 mm
Specification: Light Source
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Specifications: Collimating Lens
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Parameter Value & Unittypes of lens surfaces 5 lenses with 10
spherical surfacesnumerical aperture (NA) 0.15
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Specification: Waveguide
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Parameter Value & Unittype parallel planesthickness 1 mmmaterial fused silicainput region size 2.7 mm × 2.7 mminput region position 0 mm × 0 mmoutput region size 2.7 mm × 2.7 mmoutput region position 15 mm × 0 mm
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Specification: Detectors
Position Modeling Technique Detector/Analyzerfull system 3D ray tracing 3D ray tracing system visualizationa field tracing evaluation of 2D PSF and MTF
a
www.LightTrans.com7
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Result: 3D Ray Tracing
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Result: Intensity Behind Aperture
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pupil aperture is filled completely(no clipping at system aperture)
aperture of pupil
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Result: 2D PSF & 2D MTF
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MTFPSF
simulation time: ~8s• non-sequential analysis of
propagation in the waveguide• full automatic handling of multiple
apertures within the system
Highlights
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Specs: Waveguide (Apertures)
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Parameter Value & Unittype parallel planesthickness 1 mmmaterial fused silicainput region size 2.7 mm × 2.7 mminput region position 0 mm ×0.7mmoutput region size 2.7 mm × 2.7 mmoutput region position 15.5 mm× 0 mmoutput region rotation 20°
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Result: Intensity Behind Aperture
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pupil aperture only filled partially(cut by in- and outcouling region)
aperture of pupil
aperture of incouplingregion
aperture of outcouplingregion
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Result: 2D PSF & 2D MTF
www.LightTrans.com13
MTFPSF
simulation time: ~8s• non-sequential analysis of
propagation in the waveguide• full automatic handling of multiple
apertures within the system
Highlights
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Result: 1D Filled vs. Partially Filled Aperture
www.LightTrans.com14
• non-sequential analysis of propagation in the waveguide
• full automatic handling of multiple apertures within the system
Highlights
![Page 15: Analysis of Folded Imaging System and Multiple Apertures · 2018-07-12 · Analysis of Folded Imaging System and Multiple Apertures Virtual and Mixed Reality > Near-Eye-Displays.](https://reader034.fdocuments.in/reader034/viewer/2022042120/5e9a7d396e028527e32a3e33/html5/thumbnails/15.jpg)
Document & Technical Info
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code NED.0009version of document 1.0title Folded Imaging System Analysis
category Virtual & Mixed Reality > Analysis of Folded Imaging System and Multiple Apertures
created by Christian Hellmannused VL version 7.0.0.29
Specifications of PC Used for SimulationProcessor i7-6650 CPU (4 CPU cores)RAM 16 GBOperating System Windows 10