Table 2.
The parameters of the developed system in comparison with the reported underwater Raman system.
| Property | DORISS (MBARI) | DORISSII(MBARI) | DOCARS (OUC) | RiPs (IOCAS) | The Developed System |
|---|---|---|---|---|---|
| Dimension | 1450 × 720 × 420 mm (L × W × H) |
305 × 762 mm (Φ × L) |
258 × 800 mm (Φ × L) |
/ | 172 × 362 mm (Φ × L) |
| Weights | 220 kg in air/66 kg in water | 140.6 kg in air | 60 kg in air | / | 20 kg in air/12 kg in water |
| Structure | Two capsules plus probe | One capsule plus probe | One capsule | One capsule plus probe | One capsule |
| Exciting wavelength | 532 nm | 532 nm | 532 nm | 532 nm | 532 nm |
| LOD(SO42−) | 1.6 mmol/L | \ | 0.4 mmol/L | 0.6 mmol/L | 0.7 mmol/L |
| Working depth | ≤4000 m | ≤4000 m | ≤4000 m | ≤6000 m | ≤4000 m |