analysis of folded imaging systems - lighttrans · analysis of folded imaging systems virtual and...
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![Page 1: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/1.jpg)
Analysis of Folded Imaging Systems
Virtual and Mixed Reality > Near-Eye-Displays
![Page 2: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/2.jpg)
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• regard of wavefront aberrations for PSF and MTF calculation
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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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![Page 5: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/5.jpg)
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
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![Page 8: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/8.jpg)
Result: 3D Ray Tracing
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![Page 9: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/9.jpg)
Result: 2D PSF & 2D MTF
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MTFPSF
simulation time: ~6s• non-sequential analysis of
propagation in the waveguide• regard of wavefront aberrations for
PSF and MTF calculation
Highlights
![Page 10: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/10.jpg)
Simulation of Waveguide with Curved Surfaces
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• investigation the effect of surface deformations
• introduction of curved surfaces instead of planar
Parameter Value & Unit
type surface(s) conicalradius of curvature 500 mmsize of surface(s) 40 x 5 mmtotal profile height 6.2500391 µm
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Result: 3D Ray Tracing
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![Page 12: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/12.jpg)
Result: 2D PSF & 2D MTF for Curved Surfaces
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MTFPSF
simulation time: ~9s• non-sequential analysis of
propagation in the waveguide• regard of wavefront aberrations for
PSF and MTF calculation
Highlights
![Page 13: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/13.jpg)
Result: 1D MTF Curved vs. Planar
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simulation time: ~8s• non-sequential analysis of
propagation in the waveguide• regard of wavefront aberrations for
PSF and MTF calculation
Highlights
![Page 14: Analysis of Folded Imaging Systems - LightTrans · Analysis of Folded Imaging Systems Virtual and Mixed Reality > Near-Eye-Displays. Task/System Illustration 2 collimation objective](https://reader030.vdocuments.net/reader030/viewer/2022040405/5e9a7d396e028527e32a3e32/html5/thumbnails/14.jpg)
Document & Technical Info
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code NED.0008version of document 1.0title Analysis of Folded Imaging Systemscategory Virtual and Mixed Reality > Near-Eye-Displayscreated 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