Home / Custom / Optical Components / Optical Prism / Octagon Light Guide Rod Octagonal light guide rod, also known as an octagonal light guide or is an optical component specifically designed to homogenize light sources. Its core function is to make non-uniform light (such as fiber optic output) highly uniform, while shaping the beam into a specific shape that matches its cross-section.

| Substrate Material | K9(CDGM), N-BK7, Fused Silica |
|---|---|
| Surface Quality | 60/40 |
| Surface Flatness | λ/2 @ 632.8nm |
| Parallelism | < 5 arc min |