The detector of the spectrometer adopts the CMOS linear image sensor - Hamamatsu S11639 which can provide the spectrometer with high signal-to-noise ratio and large dynamic range. Besides, XS11639 series can also provide a better transmission speed and a stable wavelength thanks to the durable integrated circuit and compact design. With compact size and superior capability, XS11639 is able to be applied to optical spectroscopy research, such as absorbance, reflectance, Fluorescence spectrum and Raman spectrum.
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Features
- High resolution: resolution<0.6nm@ 25μm slit
- Compact and lightweight, suitable for OEM requirement
- High SNR and large dynamic range
- Good sensitivity and consistency
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Specifications
Model XS11639-660-960 Detector Hamamatsu S11639 Spectral range 660-960nm Pixels 2048 pixels Slit width 25μm (adjustable: 5, 10, 50, 100, 200μm) Resolution <0.6nm SNR 300:1 Wavelength accuracy <0.2nm Thermal stability <0.01nm/℃ A/D resolution 16bit Dark noise 30RMS@100ms Dynamic range 2000:1@100ms Integration time 1ms-65s Interface Micro USB Dimensions 75×63.5×35mm Weight 190g Operating temperature 0~40℃ Operating humidity 20~85%
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Dimensional drawing
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Applications
- Raman spectroscopy
- Fluorescence measurement
- Raman measurement
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Performance testing: Wavelength accuracy and line width of spectrometer
Test condition:
- Light source: Ne-1 (Neon discharge lamp)
- Light fiber: 105μm
Test result:
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Performance testing: Response curve of Neon lamp
Test condition:
- Light source: Ne-1 (Neon discharge lamp)
- Optical fiber: 105μm; Integration time: 1ms
Test result:
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Performance testing: Response curve of deuterium-tungsten lamp
Test condition:
- Light source: Deuterium tungsten lamp
- Optical fiber: 200μm, integration time: 25ms
Test result:
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Performance testing: Stability of spectral response
Test condition:
- At a wavelength of 650.784nm of deuterium-tungsten light source, set the integration time for 25ms and preheat for 10 mins
- The collection was conducted at 2-minute intervals and repeat 100 times.
- Optical fiber: 200μm
Test result:
- Average value of test: 51278, fluctuating p-p value: 1924
- RMS: 0.83%