Downloading SiLENSe 4.0 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is STR, Inc. The most frequent installation filename for the software is: silense.exe.
The software lies within Education Tools, more precisely Science Tools. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The most popular versions of the SiLENSe 5.0 and 4.0.
From the developer:
SiLENSe is a software tool for light emitting diode (LED) bandgap engineering.
The software tool SiLENSe is offered for simulation of band diagrams and spectra of light emitting and laser diodes (LEDs and LDs) based on Group-III nitrides and other wurtzite materials as well as hybrid structures.
The program is capable of calculations for graded-composition heterostructures.
You may want to check out more software, such as GenealogyJ, GenScn or Illusionae, which might be related to SiLENSe.