Gallium antimonide (GaSb) is a semiconducting compound of gallium and antimony of the III-V family. GaSb can be used for Infrared detectors, infrared LEDs and lasers and transistors, and thermophotovoltaic systems.

For a typical sample of GaSb the refractive index and extinction coefficient at 632.8 nm are 5.16495 and 1.161081. Below are files of complete refractive index and extinction coefficients. If the file is not available for download, you can request our proprietary file by clicking "Request".

Refractive Index Reference - Sopra Material Database

No guarantee of accuracy - use at your own risk.