VCSEL chips are mainly used in optical communication, active optical cables, USB 3.0, HDMI 1.3 and close-distance sensors.
Item | Symbol | Unit | Min | Normal | Max |
Threshold current | Lth | mA | 1 | 1.2 | |
Forward current | Vf | V | 1.6 | ||
Optical efficiency | P | mW | 1 | 2.5 | |
Slope efficiency | SE | 0.3 | 0.5 | ||
Series resistor | Rs | Ω | 50 | 80 | |
Wavelength | λ | nm | 840 | 860 | |
Angle of divergence | θ | Degree | 16 | ||
Spectral width | △λ | nm | 0.4 | 0.6 | |
Ascending time | Tr | pS | 45 | 55 | |
Descending time | Tf | pS | 45 | 55 | |
3db bandwidth | F | GHz | 9 |