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Interferogram of the sheared wavefronts
![Interferogram of the sheared wavefronts Interferogram of the sheared wavefronts](https://www.inflpr.ro/ro/system/files/images/fig._1.png)
A self-referencing inteferometric method of wavefront sensing based on lateral shearing interferometry, able to measure the local slope of a wavefront is described.
For this, a deformable mirror is used to manipulate the testing wavefront and a Murty plane-parallel plate interferometer to analyze this wavefront. We demonstrate the interferometer by measuring a series of different wavefront shapes using coherent light.
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