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Avoiding the side-effect of high-performance spectrometers with coded apertures

机译:避免带编码孔的高性能光谱仪的副作用

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In this report, a high-resolution, high-signal-to-noise-coded aperture spectrometer is introduced that replaces the traditional single slit with two-dimensional array slits manufactured by microelectromechanic system technology. The encoding and decoding principle of this coded aperture spectrometer is described, as well as the instrument structure. We then discuss the side-effect, which is caused by sub-aperture manufacturing errors in size and position and the smear noise in the imaging CCD. The side-effect adversely affects the decoding wavelength accuracy of this spectrometer, so we present some effective ways to avoid this phenomenon and to increase the decoding wavelength accuracy of the spectrometer. In the end, we present our experimental results.
机译:在本报告中,介绍了一种高分辨率,高信号到噪声编码的孔径光谱仪,该光谱仪用微机电系统技术制造的二维阵列狭缝代替了传统的单个狭缝。描述了该编码孔径光谱仪的编码和解码原理,以及仪器结构。然后,我们讨论了副作用,这是由子孔径制造中尺寸和位置的误差以及成像CCD中的拖尾噪声引起的。副作用会不利地影响该光谱仪的解码波长精度,因此我们提出了一些有效的方法来避免这种现象并提高光谱仪的解码波长精度。最后,我们介绍了我们的实验结果。

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