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超高灵敏度微型光谱仪

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产品名称: 超高灵敏度微型光谱仪
产品型号: HT系列
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简单介绍

此款光谱仪为独特设计的,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。


超高灵敏度微型光谱仪  的详细介绍
超高灵敏度微型光谱仪的特点:此款光谱仪为独特设计的,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:

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
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