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http://hdl.handle.net/20.500.12386/24945
Title: | An adaptive interferometer for optical testing | Authors: | PARIANI, Giorgio Colella, Letizia Bertarelli, Chiara Aliverti, Matteo RIVA, Marco BIANCO, ANDREA |
Issue Date: | 2015 | Journal: | MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA | Number: | 86 | First Page: | 400 | Abstract: | Interferometry is a well-established technique to test optical elements. However, its use is challenging in the case of free-form and aspheric elements, due to the lack of the reference optics. The proposed idea concerns the development of a versatile interferometer, where its reference arm is equipped with a reprogrammable Computer Generated Hologram. This principle takes advantage from our study on photochromic materials for optical applications, which shows a strong and reversible modulation of transparency in the visible region. The encoding of the desired hologram can be done off-line, or directly into the interferometer, and different patterns may be realized sequentially after the erasing of the previous hologram. We report on the present state of the research and on the future perspectives. skip=5pt | URI: | http://hdl.handle.net/20.500.12386/24945 | URL: | http://sait.oat.ts.astro.it/MSAIt860315/index.html | ISSN: | 0037-8720 | Bibcode ADS: | 2015MmSAI..86..400P | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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Memorie della Società Astronomica Italiana - Pariani et al. - An adaptive interferometer for optical testing.pdf | PDF editoriale | 727.71 kB | Adobe PDF | View/Open |
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