Environmental Engineering Reference
In-Depth Information
Fig. 5.15 Comparison of fiber bundles in second- and third-generation HSL units
(Fig. 5.15). In addition to the changes to the optical collector, Sunlight Direct
expanded the luminaire options available for the HSL system.
In early 2006, Sunlight Direct introduced its first commercial version of
the HSL system, incorporating all of the changes it had introduced into the
system (Fig. 5.16). In addition to the hexagonal fiber bundle, it had developed a
Fig. 5.16 First commercial HSL system introduced by Sunlight Direct (2006)
