LiveStrong
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| Brand | LiveStrong |
|---|---|
| Model | LSQE-R |
| Origin | Taiwan |
| Instrument Type | Spectral Response & Quantum Efficiency Test System |
| Measurement Principle | AC-coupled Lock-in Amplification with Monochromatic Excitation |
| Wavelength Range | 300–1100 nm (standard), optional extensions to 200–3000 nm |
| Optical Resolution | <0.01 nm (Czerny-Turner monochromator, multi-grating) |
| Stray Light | <1×10⁻⁵ |
| Spot Size | ~100 µm (with microscope module, adjustable/customizable) |
| Frequency Range | 4 Hz–2 MHz (three selectable bands: 4–200 Hz, 20–2000 kHz, 200–10 kHz) |
| Frequency Resolution | 0.01 Hz |
| Current Sensitivity | 10 fA (AC mode, RMS) |
| Measurement Modes | AC, DC, AC+DC with bias voltage, polarized light collection |
| Compliance | IEC 60904-8, ASTM E1021, ASTM E2848 |
| Key Functions | EQE, IQE, IPCE, spectral responsivity, reflectance, transmittance, Jsc calculation per wavelength, bandgap estimation |