Illumination
The SFDI system will use 3 near-infrared LEDs which should allow the cacluation of oxy- and deoxy-hemoglobin in biological tissue.
| Description | Cost | Qty | Vendor | Part # | Link |
|---|---|---|---|---|---|
| 660 nm LED | $66 | 1 | Thorlabs | M660D2 | link |
| 730 nm LED | $54 | 1 | Thorlabs | M730D2 | link |
| 850 nm LED | $59 | 1 | Thorlabs | M850D2 | link |
| Subtotal | $179 |
Less expensive alternatives to the 660 nm (Photo red) and 740 nm (Far Red) LEDs can be found here for about $4 each.