The astigmatism from a plane grating placed in the divergent light beam was used to compensate the astigmatism from an objective lens.
将平面光栅置于发散光中，利用平面光栅产生的像散来补偿物镜产生的像散。
After frequency selecting when white light walks through the F-P sensor which cavity modulated by temperature, wavelength demodulating is realized with a plane grating and CCD.
采用铜管和端面镀膜的光纤制作f - P传感器，白光光源经过腔长受温度调制的F - P传感器选频后，用平面光栅和线阵CCD实现光波波长的解调。
Based on a plane grating monochrometer and a optical scanner, the high time-resolved optical multichannel spectrometer is developed. A computer is used to real-time control and data acquisition.
以平面光栅单色仪和光学扫描振镜为基础研制一套具有高时间分辨能力的光学多道分析系统，并利用计算机进行实时控制与数据采集。
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