光学学报, 2020, 40 (2): 0230001, 网络出版: 2020-01-02
微小型快照式傅里叶变换成像光谱仪的建模与分析 
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Modeling and Analysis of Miniature Snapshot Fourier-Transform Imaging Spectrometer
图 & 表
图 1. 微小型快照式傅里叶变换成像光谱仪的结构图和光路图。(a)结构图;(b)光路图
Fig. 1. Structure and optical path of miniature snapshot Fourier-transform imaging spectrometer. (a) Structure; (b) optical path
图 2. 光波传播方向对应的视场角和方位角关系图(以2×2阵列为例)
Fig. 2. Relationship between field of view and azimuth angle corresponding to light wave propagation direction (take 2×2 array as example)
图 3. 不同视场对应的干涉像点阵列的光强分布。 (a)零视场;(b)弧矢视场;(c)子午视场;(d)对角线视场
Fig. 3. Intensity distributions of interferometric image-point array corresponding to different field of view. (a) Zero field of view; (b) sagittal field of view; (c) meridional field of view; (d) diagonal field of view
图 4. 零级干涉成像区域内各视场的干涉像点的光强分布
Fig. 4. Intensity distribution of interferometric image points in zero-order interferometric imaging region
图 5. 不同视场对应的复原光谱。(a)零视场;(b)弧矢视场;(c)子午视场;(d)对角线视场
Fig. 5. Recovered spectra corresponding to different field of view. (a) Zero field of view; (b) sagittal field of view; (c) meridional field of view; (d) diagonal field of view
图 6. 极限视场角随方位角、光程差的变化曲面
Fig. 6. Variationin limited field of view with azimuth angle and optical path difference
图 7. (θ, ω)视场在第(m, n)个干涉定域上的成像情况
Fig. 7. Imaging graphic of field of view (θ, ω) on interferometric localization (m, n)
图 8. 中继成像镜对具有一定光程差的投射高度的成像关系
Fig. 8. Imaging graphic of two projection heights with certain optical path difference by relay imaging lens
图 9. 不同干涉成像通道中的相位误差随视场角、方位角的变化曲面。(a)干涉成像通道(0, 0);(b)干涉成像通道(7, 0);(c)干涉成像通道(0, 7);(d)干涉成像通道(7, 7)
Fig. 9. Variationin phase error with field of view and azimuth angle in different interferometric imaging channels. (a) Interferometric imaging channel (0, 0); (b) interferometric imaging channel (7, 0); (c) interferometric imaging channel (0, 7); (d) interferometric imaging channel (7, 7)
吕金光, 梁静秋, 王维彪, 秦余欣. 微小型快照式傅里叶变换成像光谱仪的建模与分析[J]. 光学学报, 2020, 40(2): 0230001. Jinguang Lü, Jingqiu Liang, Weibiao Wang, Yuxin Qin. Modeling and Analysis of Miniature Snapshot Fourier-Transform Imaging Spectrometer[J]. Acta Optica Sinica, 2020, 40(2): 0230001.
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