供应超高灵敏度微型光谱仪
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 overa large diffusing surface (several millimeters!) and over a large angle (±10°). this gives a tremendous throughput advantage (~50x more) compared to the most powerful gratingspectrometers (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 weresmall light intensities has to be analyzed (fluorescence or raman spectroscopy).
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)
absolute wavelength accuracy
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
北京锦坤科技有限公司
周成秋
13522557194
北京市海淀区农大南路1号硅谷亮城B210
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