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| Brand | Auniontech |
|---|---|
| Model | Geoshark MG30M |
| Magnetometer Type | Optically Pumped (Rubidium Vapor) |
| Measurement Principle | Quantum Optical Pumping & Larmor Precession Detection |
| Operating Temperature Range | −20 °C to +40 °C |
| Magnetic Field Range | 20,000–100,000 nT |
| Sensitivity | 0.1–0.5 pT/√Hz |
| Measurement Rate | 1,000 Hz |
| Closed-Loop Bandwidth | 30 Hz |
| Sensor Tilt Tolerance | ±45° |
| Typical Bias Stability | <0.3 nT |
| UAV Platform | Geoscan 401 Industrial Quadcopter |
| Ground Track Accuracy | ≤0.6 m deviation from planned route |
| Typical Survey Speed | 10 m/s (36 km/h) |
| Operational Altitude | 25–500 m AGL |
| Max Flight Duration (single battery) | ~60 min |
| Daily Coverage (12–16 flights) | 160–220 km |
| Data Output Format | GeoTIFF, ASCII Grid, CSV with full georeferencing |
| Software Suite | QMCentre (acquisition & real-time monitoring), Geoscan Mission Planner, Agisoft Metashape PRO (photogrammetric integration) |
| Brand | Auniontech |
|---|---|
| Origin | Shanghai, China |
| Model | PTM-1000 |
| Detection Principle | Pump–Probe Photothermal Deflection Based on Thermal Lens Effect |
| Pump Wavelength | Customizable (Typical 1064 nm / 532 nm / 355 nm) |
| Probe Wavelength | 633 nm (He–Ne Laser) |
| Chopping Frequency | 390 Hz ± 10 Hz |
| Surface Absorption Sensitivity (Transmissive, Fused Silica Substrate, 1 W Pump) | < 0.25 ppm |
| Bulk Absorption Sensitivity (Transmissive, Fused Silica, 1 W Pump) | < 5 ppm/cm |
| Surface Absorption Sensitivity (Reflective Configuration) | < 0.5 ppm |
| Noise-Equivalent Absorbed Power (Surface, Transmissive) | < 0.25 µW |
| Noise-Equivalent Absorbed Power (Bulk, Transmissive) | < 5 µW/cm |
| Noise-Equivalent Absorbed Power (Reflective) | < 0.5 µW |
| Probe Beam Spot Size (FWHM) | 225 µm ± 50 µm |
| Pump Beam Spot Size (FWHM) | 75 µm ± 20 µm |
| Lateral Spatial Resolution (FWHM) | < 60 µm |
| Axial (Depth) Resolution (FWHM) | < 1 mm |
| XYZ Translation Stage | 50 mm × 50 mm × 50 mm, Stepper Motor Driven |
| Probe Laser | Pacific Lasertec 05-LHP-121 or Equivalent |
| Probe Output Power | 2 mW (Class 3R) |
| Probe RMS Intensity Noise | ≤ 0.1% (30 Hz – 10 MHz) |
| Signal Processing | Dual Lock-in Amplifier Synchronized to Chopping Frequency |
| Compliance | Designed for GLP/GMP-adjacent R&D Environments |
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