The laser collimator not only has the advantages of existing ones, but also can be used to measure wavefront error with high accuracy interferometer.
此激光平行光管具有以前平行光管的优点，且可以与数字相移干涉仪对接，直接进行波前误差的高精度测量。
Consider the match of the aberration and the detector's area as well as the wavefront error.
分析了系统的几何像差与探测器接收面积的匹配，也考虑了光学系统波像差的作用。
Estimate the wavefront error of the whole optical system, and select a proper defocus length to improve the wavefront error, and then check the system's aberration after defocus.
对测试仪的光学系统的波像差进行了估算，选择了合适的离焦量来补偿波像差，并对系统离焦后的像差进行了验算。
Estimate the wavefront error of the whole optical system, and select a proper defocus length to improve the wavefront error, and then check the system's aberration after defocus.
对测试仪的光学系统的波像差进行了估算，选择了合适的离焦量来补偿波像差，并对系统离焦后的像差进行了验算。
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