Table 1.
Total cost of fabrication of a set of the OPU Raman spectrometer.
| Parts | Supplier (or where to buy) |
Price (USD) |
|---|---|---|
| OPU (KSS-213C) | Smartech Electronics and Machinery Manufacturing Co., LTD | 4 |
| 520 nm laser (PL520) | Osram opto semiconductors | 20 |
| Raman Edge Filter (532 nm) |
Edmund Optics, 12.5 mm, OD 6 or Replaceable with OD 4 |
445 245 |
| Collimator lens (PMMA) | Shenzhen Tyson Tech. Co | < 1 |
| Optical fiber (200 µm) | Thunder Optics | 47 |
| Spectrometer (R spectrometer) | Thunder Optics | 350 |
| Printed parts (PLA 500 g) | Plasil | ~ 10 |
| Function generator (AG051) |
Owon or a DC adapter |
199 30 |
| Others | Variable Resistor, 1.5 V Battery, Adhesive, etc | ~ 20 |