Spectroscopy and Spectral Analysis, Volume. 32, Issue 6, 1722(2012)
A Two-Dimensional Double Dispersed Hadamard Transform Spectrometer
A kind of two-dimensional hadamard transform spectrometer was developed. A grating was used for chromatic dispersion of orders and a prism was used for spectral dispersion. Quite different from traditional CCD detection method, a digital micromirror device (DMD) was applied for optical modulation, and a simple point detector was used as the sensor. Compared with traditional two-dimensional spectrometer, it has the advantage of high resolution and signal-noise-ratio, which was proved by theoretical calculation and computer simulation.
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LIU Jia, SHI Lei, LI Kai, ZHENG Xin-wen, ZENG Li-bo, WU Qiong-shui. A Two-Dimensional Double Dispersed Hadamard Transform Spectrometer[J]. Spectroscopy and Spectral Analysis, 2012, 32(6): 1722
Received: Sep. 20, 2011
Accepted: --
Published Online: Jun. 14, 2012
The Author Email: Jia LIU (Liujiayp@yahoo.com.cn)