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9150X 高分辨率单色仪 - 1.5m 单阶光栅光谱仪

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2022-09-02
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莱比信中国

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9150X 高分辨率单色仪 - 1.5m 单阶光栅光谱仪
详细信息

(9150X) 1.5m Single Echelle Spectrometer


本阶梯光栅光谱仪是为衍射极限而专门设计的!


全光谱覆盖无缝可调150nm范围内单程模式分辨率~2pm,

本光谱仪采用两个光栅, 二个1.5F. L.抛物面反射器和一个校正器透镜,产生交叉分散分级光栅图(echellegram),

记录器为3K X3K冷却CCD照相机(12U像素),分散1 pm/pixel

使用3段图像切片机把细而长的分级光栅图投射为方形CCD格式,以波长覆盖和分辨率。


This is an Echelle Spectrometer designed for diffraction limit operation, that provides a full spectrum coverage without gaps over a tunable 150nm range at a resolution of ~2pm in single pass mode. The spectrometer uses two gratings, two 1.5m f.l. parabolic reflectors and a corrector lens to produce a cross-dispersed echellegram that is recorded on a 3k x 3k cooled CCD camera with 12u pixels, at a dispersion of 1 pm/pixel. The long, thin echellegram is fit to the square CCD format using a 3 section image slicer, to maximize wavelength coverage and resolution.



Input optics include a micrometer adjustable rectangular input slit and a computer controlled source selector that can switch between four available input ports, useful in calibration.
Operational specifications are (for 31.5 l/mm 150x50 mm echelle, single pass)
* Dispersion: 1pm/pixel; (diffraction limit = 1pm)
* Wavelength coverage: 150nm band, position continuously selectable.
No gap coverage up to 800nm. Camera coverage 300nm-900nm.
* Aperture f/25.
* Input slit: rectangular, continuously adjustable 0-500um.
* Source selector to switch between four inputs.
* Calibration facilities for wavelength and intensity.
* Software to transfer raw images to permanent storage at the maximum possible rate, to transform and store as spectra corrected for wavelength & intensity.

Please note that for full frame digitization at 12 bits the transfer rate is 10seconds per frame. Smaller frame sections can be transferred at correspondingly faster rates.



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