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| Brand | Otsuka Electronics |
|---|---|
| Origin | Japan |
| Model | RETS-100nx |
| Measurement Range (Retardation) | 0–60,000 nm |
| Wavelength Range | 400–800 nm (optional extensions available) |
| Retardation Repeatability (n=30) | ≤0.08 nm (quartz waveplate, ~600 nm) |
| Cell Gap Range | 0–600 µm (An=0.1) |
| Cell Gap Repeatability (n=30) | ≤0.005 µm (at ~3 µm gap, An=0.1) |
| Axis Detection Repeatability (n=30) | ≤0.08° |
| Spot Diameter | φ2 mm (standard) |
| Light Source | 100 W halogen lamp |
| Detector | Proprietary high-speed multichannel spectrometer (≈500 wavelength channels) |
| Standard Stage | 100×100 mm fixed platform |
| Optional Accessories | Motorized XY stage, tilt-rotary stage for Rth and 3D birefringence analysis, axis-angle compensation module |
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