Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of...

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Non-Sequential Ray Tracing through Glass Plate Virtual & Mixed Reality > Near-Eye Displays

Transcript of Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of...

Page 1: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Non-Sequential Ray Tracingthrough Glass Plate

Virtual & Mixed Reality > Near-Eye Displays

Page 2: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Task/System Illustration

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collimationobjective

glass plate

pointsource

dot diagram

?

regard of differentback reflection scenarios

Page 3: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Highlights

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non-sequential ray tracing with controllable input / output forward and backward channel logic

Page 4: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Parameter Description / Value & Unittype/number spherical wave (point source)wavelength 532 nmpolarization linear in x-direction (0°)lateral offset 2 mm × 0  mmdistance to next surface 30.955 mmaperture at next surface 2.5 mm × 2.5 mm

Specification: Light Source

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Page 5: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Specification: Collimating Lens

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Parameter Value & Unittypes of lens surfaces 5 lenses with 10

spherical surfacesnumerical aperture (NA) 0.15

Page 6: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Specification: Glass Plate

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Parameter Value & Unittype parallel planesthickness 1 mmmaterial fused silica

Page 7: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Specification: Channel Logic

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Channel Description[+ +] transmitted forward channel[+ −] reflected forward channel[− +] reflected backward channel[−−] transmitted backward channel

+ +

+ −

− +

− − for each surfaceall these channel options

can be selected to be considered

Page 8: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Specification: Detectors

Position Modeling Technique Detector/Analyzerfull system 3D ray tracing system

analyzer3D ray tracing view with different channelsactivated

a ray tracing dot diagram

a

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Page 9: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Results: 3D Ray Tracing & Spot Diagram

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all [+ +] channels activated

+ +non-sequential ray tracing with controllable input / output forward and backward channel logic

Highlight

Page 10: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Results: 3D Ray Tracing & Spot Diagram

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[+ −] reflected forward channel at second surface of glass plate activated

[− +] reflected backward channel at first surface of glass plate activated

non-sequential ray tracing with controllable input / output forward and backward channel logic

Highlight+ −

− +

Page 11: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Results: 3D Ray Tracing & Dot Diagram

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+ −

− +

[+ −] reflected forward channel at first surface of glass plate activated

[− +] reflected backward channel at last surface of collimation objective

non-sequential ray tracing with controllable input / output forward and backward channel logic

Highlight

Page 12: Non-Sequential Ray Tracing through Glass Plate · glass plate point source. dot diagram? regard of different. back reflection scenarios. Highlights 3 non-sequential ray tracing with

Document & Technical Info

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code NED.0002version of document 1.0title Non-Sequential Ray Tracing through Glass Platecategory Virtual & Mixed Reality > Near-Eye Displays (NED)author Roberto Knoth (LightTrans)used VL version 7.0.0.29

Specifications of PC Used for SimulationProcessor i7-4910MQ (4 CPU cores)RAM 32 GBOperating System Windows 10


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