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Success Stories | Synopsys
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Table of Contents

Definition

?? ???? ?? BSDF??? ?? ? ?? ??(TIR) ??? ?? ?? ?? (BSDF)? ? ?? ?? ?? ??? ???? ??????? ??? ??? ?? ?? ??? ?????. ??? ??? ???? ?? ??? ???? ????.

TIR BSDF? ?? ??? ? ?? ?? ??? ? ?? ?? ???? ??? ???? ?? ??? ?? ??? ??? ????. Total Internal Reflection Bidirectional Scattering Distribution Function? ??????.

Light Guide with VDI texture example modeled in LightTools | Synopsys

                                   LightTools?? ??? VDI ???? ??? ? ??? (??? ???)

?? BSDF? ????? ?? ??? ????? ???. ?? ??? ? ???? ??? ???? ??? ?????. 

Considering the orientation of light - examples | Synopsys

??? ??? ?? ??? ?? ???? ??? ? ?? ? ?? ??? ? ????. ?? ??, ????? ??? ?? ??? ??? ?? TIR BSDF ??? ???? ???. 

Why is TIR important to an optical design?

?? ??? TIR (?? ???)? ??? ??? ??????

 

?? ?? ???? ??? ????? ??? ??? ?? ?? ??? ?????. ??? ??? ???? ??? ??? ?????? ??? ??? ?? ????, ?????? ? ??? ??? ? ????. ??? ??? ??? ??? ??? ??? ? ???? ???? ?? ?????. ??? ??? ?? ?? ?? ??? ??? ?? ???? ?? ?????? ??? ???? ???? ????. 

 

??:

  • ?? ???? ?? ?? ?????? ?? ??? ?? ??? ?????.
  • R&D ????? ??? ??? ??? ?? ??? ??? ???? ???.
  • ?? ??? ?? ??? ???? ????? ???. 

 

???:

  • ??? ?? ?? BSDF (?? BSDF ? TIR BSDF)
  • ?? ?? ? ??? TIS (???, ???, ???) 

What solution does Synopsys offer for measuring TIR?

Synopsys? TIR ??? ?? ?? ???? ?????? 

 

TIR? ?? ??? ?? ?? ? ????, Synopsys? TIR ??? ?? ? ?? ???? Synopsys REFLECT 180S? Synopsys Mini-Diff V2? ?????. 

Synopsys REFLET 180S

REFLET 180S? ??? ??? ??? BSDF ??(??? ?? ? ??)? ??? ??? ?? ??? ?? ?? ??? ?????. ??? ??? ??? ??? ??? ???? ?? ??? ??? ?? ?? ??? ???? ?????. ? ??? ??? ???? ?? ?? ?? ???? ??? ?? ??? ?????.  ?? ??? ??? ???? ?? ???? ???? ??? ???? ????? ??? ??? ?????. 

Measuring BSDF with Synopsys REFLET 180S | Synopsys

?? ?? Synopsys REFLET 180S? ???? ?? BRDF ?? BTDF ??? ?????. 

Synopsys REFLET 180S | Synopsys

??? ????? ??? ????? ???? ? ?? ?? ??? ?????. 

Four measurement configurations for a sample in the Synopsys REFLET 180S | Synopsys

?? ??? VDI ?? ??? ?? Synopsys REFLET 180S?? ?? ??? ?????. 

The following figures show results obtained from the Synopsys REFLET 180S for a VDI finishing surface.

Mini-Diff V2

TIR ??? LightTools Microfacet ?? ??? Synopsys Mini-Diff V2? ?? ???? ??? ? ????.

? ???? Mini-Diff V2? ??? ?? ??, ???? 0°? ?? BTDF? LightTools Microfacet ?? ??? ?????. ? ??? ???? ?? ???? ??? ???? ???? ??? ????. 

TIR measurements can also be done using a Synopsys Mini-Diff V2 instrument in combination with LightTools and its Microfacet scattering model.

Mini-Diff V2? ?? ??? Excel?? ??? ? ???? LightTools? ??? Microfacet ??? ??? ? ????. 

Microfacet ?? ??? ?? ???? ???? ?? ?? ??? ?????. ? ??? ???? ?? ? ????? ??? ?? ? ??? ??? ??? ??? ????? ?????. ?? ???? ?? Microfacet ??? ?? ??? ?????. ??? ???? ? ??? ?? ?? ?????? ??? ? ????.

Rough Surface Modeled with Small, Oriented Facets | Synopsys

                                                                ?? ???? ???? ?? ??

?? ?? ??? ????? ??? ?? ??? ?? ????? ???, ?? ??? ?????. 

Comparing simulated and measured results | Synopsys

Optical Scattering Measurements & Equipment

Precision Light Scatter Data for Faster, More Cost-Effective Optical Product Development

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