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| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Confocal Micro-Raman Spectrometer |
| Model | LRS-5 |
| Spectral Range | 50–7000 cm⁻¹ |
| Spectral Resolution | <1.5 cm⁻¹ |
| Spatial Resolution | X/Y = 0.01 µm |
| Minimum Wavenumber | 50 cm⁻¹ |
| Spectral Reproducibility | ≤1 cm⁻¹ |
| Focal Length | 800 mm |
| Laser Options | 532 nm (633 nm & 785 nm optional) |
| CCD Detector | 1650 × 200 pixels, 16 × 16 µm pixel size, active area 26.6 × 3.2 mm |
| Pinhole Apertures | 50, 150, 200, 400 µm |
| Wavelength Accuracy | ≤±1 cm⁻¹ |
| Sensitivity | Capable of resolving up to 4th-order Raman modes of crystalline silicon |
| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Manufacturer |
| Instrument Type | Grating-Based Raman Spectrometer |
| Spectral Range | 200–800 nm |
| Spectral Resolution | ≤0.2 nm (at 500 nm) |
| Spatial Resolution | 0.2 nm (horizontal) |
| Minimum Wavenumber Coverage | ≥200 cm⁻¹ (calculated from 532 nm excitation) |
| Spectral Repeatability | ≤0.2 nm |
| Focal Length | 302.5 mm |
| f-number | f/5.5 |
| Grating Density | 1200 lines/mm |
| Slit Width | 0–2 mm (adjustable, 0.01 mm resolution) |
| Laser Source | 532 nm diode-pumped solid-state laser, ≥100 mW output |
| Detector | Photon-counting photomultiplier tube (PMT) with discrimination circuitry |
| Stray Light Level | ≤10⁻³ |
| Dimensions | 700 × 500 × 450 mm |
| Weight | 70 kg |
| Brand | Gangdong |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Confocal Micro-Raman Spectrometer |
| Spectral Range | 50–7000 cm⁻¹ |
| Spectral Resolution | ≤1 cm⁻¹ |
| Spatial Resolution | X/Y-axis: 0.01 µm |
| Z-axis | 0.002 µm |
| Minimum Wavenumber | 20 cm⁻¹ |
| Spectral Repeatability | ≤0.2 nm |
| Monochromator Focal Length | 300 mm |
| Grating Density | 1200 grooves/mm |
| Wavelength Range | 200–800 nm |
| Slit Width | 0–2 mm continuously adjustable |
| Wavelength Accuracy | ≤0.2 nm |
| Laser Excitation Wavelength | 532 nm |
| Laser Output Power | 100 mW |
| Microscope Objective | Infinity-corrected semi-apochromatic fluorescence objectives (10×, 50×, 100×) |
| Eyepiece | PL10×/22 mm wide-field plan eyepiece with optional micrometer scale |
| Stage Travel | 76 mm × 50 mm (0.1 mm resolution) |
| CCD Camera | 16 MP ultra-high-definition imaging sensor |
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