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超高灵敏度微型光谱仪
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详细信息
超高灵敏度微型光谱仪的特点：此款光谱仪为设计的，单光子响应级别的超高灵敏度微型光谱仪，由于其采用偏振光学设计，不同于传统的光栅式光谱仪，不需要狭缝，也可不用光纤，使其具有超大的受光面积。因而，此款超高灵敏度光谱仪是用于低光照测量的理想选择，可用于荧光光谱，漫反射光谱，拉曼光谱分析。
ARCspectro HT is ideal for low light applications or for the spectral analysis of diffusing light sources (or samples). Its unique design permits to gather a maximum of light over a large diffusing surface (several millimeters!) and over a large angle (±10°). This gives a tremendous throughput advantage (~50x more) compared to the most powerful grating spectrometers (also well-known Jaquinot advantage) which are intrinsically limited by a small entrance slit (typically 0.025mm). This makes this unique device ideal for applications were small light intensities has to be analyzed (fluorescence or Raman spectroscopy).
超高灵敏度微型光谱仪其指标参数如下表所示：
ARCspectro HT is ideal for low light applications or for the spectral analysis of diffusing light sources (or samples). Its unique design permits to gather a maximum of light over a large diffusing surface (several millimeters!) and over a large angle (±10°). This gives a tremendous throughput advantage (~50x more) compared to the most powerful grating spectrometers (also well-known Jaquinot advantage) which are intrinsically limited by a small entrance slit (typically 0.025mm). This makes this unique device ideal for applications were small light intensities has to be analyzed (fluorescence or Raman spectroscopy).
超高灵敏度微型光谱仪其指标参数如下表所示：
| Features | ARCspectro HT-HR |
| Spectral range | 400 nm – 1050 nm (HT-HR and HT-2D) 900-1700nm (HT-NIR) |
| Signal-to-Noise (single measurement full detector dynamic used, Ratio between the peak value and bottom value of HeNe Spectrum) | 300:1 (Multiplex advantage) |
| Spectral Resolution | < 1 nm @ l = 550 nm (HT-HR model) < 10 nm @ l = 1000 nm (HT-NIR model) |
| Detector type | Silicium CCD front illuminated detector array InGaAs 512 pixels (HT-NIR) 1 stage cooled |
| Full-well detector capacity | 30'000 e- |
| Dark noise | 0.1% of dynamic range |
| Detector sensitivity | ~15 photons per count |
| Relative wavelength fluctuation (measured with HeNe over 1 hour) | < 0.01 nm |
| Absolute Wavelength Accuracy | < 0.5 nm |
| Operating Temperature | 10°C – 50°C |
| Wavelength Drift with temperature | 0.001nm per °C |
| Measurement time | 1 ms to "infinite" |
| Operating Voltage | USB powered |
| Light guide core diameter (optional) | 4 mm |
| Entrance aperture | 4 mm (Diam.) |
| Communication Interface | USB 2.0 |
| Software Interface | Windows XP, Window7, Labview |
| CCD Readout Sampling rate | 0.5 MHz |
| A/D converter | 16 bits (8-10 bits for HT-2D) |
| Product Dimensions (including electronics) | 15cm x 10cm x10cm |
| Product Weight | 300 g |
