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LightTools Enewsletter

 

In this issue:

Quick Tip

 

NURBS Curves in LightTools

 

LightTools provides numerous modeling aids such as solid modeling, Boolean operations, reference geometry, etc. Included with the reference geometry tools are non-uniform rational basis spline (NURBS) curves. NURBS curves can enhance your workflow in many ways, and they can also be used for purposes such as optimization. You can access the NURBS curve tools by selecting the menu Insert > Reference Geometry or clicking 2D Objects > Draw Line on the command palette.

 

 

What is a NURBS curve?

 

You can find a good description of NURBS curves here: https://en.wikipedia.org/wiki/Non-uniform_rational_B-spline

 

While the mathematical aspects of NURBS curves can be difficult to understand, LightTools presents them in a simple way for modeling needs. No extensive knowledge of NURBS curves is necessary to use them in LightTools. A NURBS curve exposes a series of control points that can be used to change the shape of the curve.

 

Continue Reading

 

BSDF Library

 

We add new materials to the library often, and now you can access those new materials between releases. The LightTools Material Library for non-CODE V glasses and plastics is available on our Customer Portal here.

 

Summary of Materials added or updated since LightTools 8.7:

  • Added 3 ALBIS diffuse polycarbonate plastics
  • Added 5 Dow Chemical moldable-silicone resins
  • Added 40 Evonik acrylic or PMMI plastics
  • Added 3 SABIC polycarbonate or PEI plastics

 

LightTools Measured BSDF Library Updates on the Customer Portal

 

We have added and updated measured BSDF data and posted it on the Portal. Below is a list of recently added or updated since LightTools 8.7. You can find the LightTools Measured BSDF Library on the Customer Portal here.

Summary of Measured BSDF added or updated since LightTools 8.7:

  • Added 2 ALBIS ALCOM LB plastics
  • Added 9 Mold-Tech MT-1055 series, aluminized with topcoat
  • Added 8Mold-Tech MT-11000 series, aluminized with topcoat
  • Added 12 SPI finishes, aluminized with topcoat
  • Updated 2 black anodized aluminum measurements
  • Added 18 Tenibac 6000 series mold textures for moldable silicone, PMMA, and PC
  • Added 3 Covestro Makrofol DE diffusers

Customer Portal

 

You have materials or surfaces to characterize for your optical simulation ?

Light Tec offers services such as scattering measurements (BSDF for Bidirectional Scattering Distribution Function).

 

You can find more information on Light Tec Website or by sending an email to sales@lighttec.eu.com

 

Presentation

 

“Effects of individual particulates in optical systems using a spatially isolated contamination scattering method” live at SPIE Optics and Photonics

 

Katherine Calabro of the Synopsys LightTools team will present a talk detailing the paper “Effects of individual particulates in optical systems using a spatially isolated contamination scattering method,” co-authored with Mike Zollers.

 

This presentation will discuss the standard developed by the Institute of Environmental Sciences and Technology (IEST) most commonly used to define the typical sizes and density of particulates on a surface. This standard can then be used to create a BSDF profile of the contaminated surface and simulate the effects of the contaminants. This approach is limited by scattering events that occur stochastically, with no spatial consistency. In this work, a more realistic modeling approach is examined, considering particulates to be stationary, it is possible to isolate the effects of an individual particle, which can be especially useful for small scale systems. A variety of application designs are investigated through the use of computer simulation to demonstrate the advantages of the isolated contamination scattering approach.

 

Attend this live talk August 13, 2019 at 11:50 a.m. in the “Novel Optical Systems” conference at SPIE Optics and Photonics, located in the San Diego Convention Center.

 

 

Calendar

Events

ISAL 2019

SYMPOSIUM ON AUTOMOTIVE LIGHTING 2019

September 23 to 25 

More information here

 

LightTools Info-Day - Seminar Free of Charge

 

5th of November - London, UK

3rd of December - Dortmund, Germany

LightTools training sessions:

October 15 to 17 - Munich, Germany - 1 000 €*

November 5 to 7 - Hyères, France - 1 000 €*

December 3 to 5 - Munich, Germany - 1 000 €*

January 14 to 16 - Hyères, France - 1 000 €*

February 25 to 27 - Munich, Germany - 1 000 €*

March 24 to 26 - Hyères, France - 1 000 €*

December 9 to 13 - Nice, France - 2 000 €*


Please, find all the dates and locations on our website: click here.

 

To register to one of these trainings, please send an email to sales@lighttec.eu.com with the desired training and date.

LIGHT TEC

Pôle d'Activités Hyérois
1128 Route de Toulon
83400 Hyères - France
Phone: +33 494 12 18 48

Email: sales@lighttec.eu.com
Web site: www.lighttec.fr

 

 

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