从激光探测告警光学系统的视场和光学增益出发，分析了浸没透镜的光学增益和像差特性。
The optical gain and aberration characteristics of immersion lens are analyzed based on FOV and optical gain of optical systems used in laser warning device.
这个全息图重现像的观察范围很宽，视场不受透镜孔径的限制。
The visual field of the reconstructed image is extended and is not limited by the aperture of the lens.
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