入射狭缝及光栅固定起来，出射狭缝扫描过罗兰圆。
Entrance slit and the grating are fixed and the exit slit scans across the Rowland circle.
介绍一种从罗兰圆结构出发，利用ZEMAX光学软件设计平场全息凹面光栅的方法。
A method which is based on Rowland mount and use ZEMAX software to design flat field holographic concave grating is given in this article.
介绍一种从罗兰圆结构出发，利用ZEMAX光学软件设计平场全息凹面光栅的方法。
A method which is based on Rowland mount and use ZEMAX software to design flat field holographic concave grating is given in this article.
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