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| Paper: |
Tolerance for pupil centers invariance in "densified pupil imaging" |
| Volume: |
194, Working on the Fringe: Optical and IR Interferometry from Ground and Space |
| Page: |
286 |
| Authors: |
Auillans, P. J. |
| Abstract: |
The "densified pupil" variant of a many aperture interferometer Fizeau interferometer can provide snap-shot images with full luminosity.It however requires an exit pupil where the sub-pupil centres are patterned like in the entrance aperture. I have sudied numerically the influence of the output pupil deformation on the recombined image. As the pupil distortion increases, the usable interferometric field shrinks. In practice, with a ring of 27 apertures sub-pupil position errors smaller than 5% effect negligibly the image. |
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