Table 1. Brief summary of NIRS oxCCO measurement systems.
| NIRS systems | Number of wavelengths | Number of source(s) | Number of detector(s) | Number of simultaneous channels used | Multi-distance/ TOI |
|---|---|---|---|---|---|
| Duke 1 [17,18] | 3 | 1 | 1 | 1 | No/No |
| Duke 2 [19] | 4 | 1 | 1 | 1 | No/No |
| UCL 1 [20] | 4 | 1 | 1 | 1 | No/No |
| Keele 1 [21] | 3 | 1 | 1 | 1 | No/No |
| Keele 2 [22] | 4 | 1 | 1 | 1 | No/No |
| NIRO 1000 [23], | 6 | 1 | 1 | 1 | No/No |
| NIRO 500 [24] | 4 | 1 | 1 | 1 | No/No |
| NIRO 300 [13,25] | 4 | 1 | 3 | 1 | Yes/Yes |
| UCLn [26–28] | Broadband | 1 | 1 | 1 | No/No |
| UCLn–CYRIL [29] | Broadband | 2 | 8 | 2 | Yes/Yes |
| UCL Hybrid [30] | Broadband | 2 | 8 | 2 | Yes/Yes |
| Humboldt 1 [31] | Broadband | 1 | 1 | 1 | No/No |
| Humboldt 2 [10] | Broadband | 1 | 4 | 4 | No/No |
| Ryerson 1 [32] | Broadband | 2 | 2 | 2 | No/No |