InGaN LED at Room Temperature
Luminescence dependent on wavelength
| Image data | |
| Image size: | 15 x 15 µm |
| Temperature: | Room temperature |
| Number of points: | 128 x 128 in x,y; 1024 in Z (Wavelength) |
| Total data size: | 33,5 MB |
| Spatially integrated opt. spectrum: |  |
Emission of a normal blue InGaN LED at room temperature. The emission looks more like a cloud of points than a homogeneous emission. An InGaN LED structure grown on a sapphire substrate has many defects. Around the defects, no luminescence is present, thus the non homogeneous emission.