91³Ô¹ÏÍø

Definition

?? ??? ? ?? (?: ??? ?? ????)? ???? ???? ????, ?? ?? ?? ??? ??? ?? ?? ?? ?????. ?? ??, ??? ?? ???? ?? ?? ? ??? ??? ? ????. ??? ??? ???? ??? ??? ??? ??? ??? ? ??? ?? ???? ?? ???? ???? ??? ????? ?????. ??? ? ?? ?? ??? ????? ?? ???? ?? ??????. ?? ??? ??? ?? ??? ?? ???? ??? ?? ???? ???? ??? ??? ??? ?? ??? ???? ?? ?? ??? ????.


How is Volume Scattering Important to an Optical Design?

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

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

?? ?? (Requirements): 

  • ?? ???? ?? ?? (Ray tracing) ?????? ?? ??? ?? ??? ?????. 
  • R&D ???? ??? ?? ??? ??? ??? ??? ???????.
  • ?? ??? ?? ??? ???? ????? ???.

?? ?? (91³Ô¹ÏÍø): 

 Volume scattering is a phenomenon that occurs in an optical medium (e.g., glass or plastic), where the presence of small particles within the volume of the material causes light to scatter. | Synopsys

What Solution does Synopsys Offer for Measuring Volume Scattering?

?? ?? ??? ?? Synopsys? ?? ???? ??????

Synopsys? LightTools ?? ?? ????, ????(??)? ?? ???, ??? ?? ?? ?? ????? ?? ??? ????? ??? ? ?? ?? ?? (Volume Scattering)? ????? ??? ????. ?? ?? ??? ?? ??? ??? ? ????? ? ?? ?? ? ?? ???? ?? ? ??? ??? ?????. ?? ? ??? ??? ????? ?? ??? ????? ???? ?? ??? ??? ?? ????? ?????. ? ???? ??? ??? ??? Gegenbauer ?? Mie? ?? ??? ?? ?? ??? ???? ?????. 

Synopsys LightTools software has the capability to model volume scattering that enables a user to analyze how light behaves in media such as diffusing plastics, a plate of glass with imperfections (bubbles), or a dusty atmosphere.  | Synopsys

??? ?? ?? ??? ???? ?? ?? ??? ?? ?? ???? ????? ????? ?? ??? ? ?? ?? ???? ?? ?????. Synopsys??? ?? ?? ?? ??? ??? BSDF ???? ???? ??? ?? ???? ?(Gegenbauer ? Mie ?? ??)? ???? ??? ??????.

?? ?? ?? ??? Synopsys REFLET 180S? BSDF ??? ?????.  

Synopsys REFLET 180S | Synopsys

Synopsys REFLET 180S

The Synopsys REFLET 180S optical bench is easy to use for spot inspection or quick analysis.

?? ?? ??? ?? ??? ??? 2D BTDF? ? ?? ???? ?????. ? ? ??? BTDF ???? ???? ??? ??? ???? ???? ?? ?????? ??? ????? ????. ?? ??, ??? ???? ??? ??? ????? ??? ????? ?????.

Volume scattering measurements workflow | Synopsys

? ???? ??? ???? ????? ??? ????: 

  • Mean Free Path (MFP): ??? ?? ??? ???? ??? ???? ?? ???? ?? ??? ?????.
  • Anisotropy Factors g and alpha: ??? ?? g? ??? Gegenbauer ?? ??? ?? ??? ?? ?? ??? ?????. ? ???? ??? ?? ??? ? ???? ???? ??????. g? ????? -1?? 1 ????, ??? -0.5?? ? ?? ?? ? ????.
  • Transmittivity: ?? ? ?? ???? ??. ?? ?? 1.0 ?? ?? ???? ?? ???.

? ????? LightTools ?? ??????? ?? ???? ?????? ??? ? ?? material (.mat) ??? ??? ? ????.