Table 1.
Comparison between our LED-coupled optrode array and other laser-coupled optical/electrical devices.
| Optical neurostimulation | Electrical recording | Wireless-enabled | Ref | |||
|---|---|---|---|---|---|---|
| Light source | #of waveguides | Fiber size | #of electrodes | Electrode size | ||
| Laser | 4 or 8 | Tip size: 5~20 μm | 8 per probe | ~160 μm2 | No | Royer et al. (2010) |
| Laser | 1 | 50~100 μm | 36 | 50~100 μm | No | Wang et al. (2012) |
| Laser | 1 | Tip size: 14~28 μm | 8 | 20 μm × 20 μm | No | Wu et al. (2013) |
| Laser | 7 | ~400 μm | 16 | N.A. | No | Pisanello et al. (2014) |
| LED | 32 | Base size: 300 μm Tip size: ~30 μm |
32 | ~30 μm | Yes | Our Optrode Array |