文档介绍：Designing with Confidence
LightTools Simulated Performance vs.

Measured Data: Three Case Studies

As with all design software, most
designs in LightTools will eventually
be manufactured. Optical designers
pour vast amounts of time and energy
into making designs that meet their
specifications, and they trust their
design software to produce simulated
results that will match manufactured
results. Depending on the experience Figure 1: Sample DOT/NHTSA Drawings
of the designer, the amount of trust in
the software that this process requires
Consequently, detailed drawings are
can be quite high. Defining the Optical
available from sources such as the Properties
LightTools has the ability to accurately mission for Europe
model both an ideal design and the “as (ECE, ) and the . An interface can reflect, transmit, or
manufactured” system. With a high Department of Transportation everything in between. LightTools
level of correlation between simulated (USDOT, ). These can be used to model nearly all
performance and measured data, users drawings, as shown in Figure 1, conceivable light interactions that take
can design plete confidence; provide nominal and toleranced place in an optical system. Specular
if the simulation meets the dimensions to which each individual reflections and refractions can be
defined to include Fresnel lo