Abstract
A wedge plate interferometer has been constructed using holo optical elements (HOEs). It comprises of two HOEs namely a Holo Shear Lens (HSL) and a Holo Shear Tilt Lens (HSTL). The combined effect of the two is to introduce a lateral shear and a tilt between the sheared wavefronts, the tilt beign orthogonal to the shear direction. This is equivalent to the conventional shear itnerferometer using a wedge plate for collimation testing. Theory and experimental results are presented.
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