A design method with globe optimization and reverse optimization was presented to achieve a flat-field holographic concavegrating used for micro-spectrometer system.
研究了应用于微型光谱仪的平场全息凹面光栅的设计方法，提出了全局优化和反向优化的设计思想。
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The spectral resolution of the spectrometer will be seriously deteriorated by radius error which is inevitable in the flat-field holographic concavegrating fabrication.