A new method for compensating wavefront error is put forward to test large-aperture and high-order aspheres by using ZYGO interferometer, which uses the combination of a lens compensator and a computer-generated hologram (CGH).

 
  • 为了能够利用ZYGO数字干涉仪检测大口径深度高次非球面;提出了一种新的波前补偿方法;即透镜补偿与计算全息相结合.
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