超高靈敏度微型光譜儀

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北京錦坤科技有限公司

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產(chǎn)品簡介

此款光譜儀為設計的，單光子響應級別的超高靈敏度微型光譜儀，由于其采用偏振光學設計，不同于傳統(tǒng)的光柵式光譜儀，不需要狹縫，也可不用光纖，使其具有超大的受光面積。因而，此款超高靈敏度光譜儀是用于低光照測量的理想選擇，可用于熒光光譜，漫反射光譜，拉曼光譜分析。

詳細介紹

超高靈敏度微型光譜儀的特點：此款光譜儀為設計的，單光子響應級別的超高靈敏度微型光譜儀，由于其采用偏振光學設計，不同于傳統(tǒng)的光柵式光譜儀，不需要狹縫，也可不用光纖，使其具有超大的受光面積。因而，此款超高靈敏度光譜儀是用于低光照測量的理想選擇，可用于熒光光譜，漫反射光譜，拉曼光譜分析。
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).

超高靈敏度微型光譜儀其指標參數(shù)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