Interferometric test of optical systems: effects of probe beam collimation errors

Year: 2005

Authors: Vannoni M., Molesini G., Righini A.

Autors Affiliation: Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
Dipartimento di Astronomia e Scienza dello Spazio, Università di Firenze

Abstract: The effects of probe beam residual power in interferometry are investigated. It is seen that residual power produces an asymmetry between the forward and backward beams that is scaled with f(#)(2),, i.e., the effect can be easily seen in very slow optical systems. Common methods to detect residual power are discussed, showing the effectiveness of lateral shear interferometry to carefully set the collimation of the probe beam. A device approaching the order of magnitude established by Rayleigh

Journal/Review: OPTICAL ENGINEERING

Volume: 44 (3)      Pages from: 035604  to: 035604

KeyWords: optical metrology; interferometry; optical testing; collimation;
DOI: 10.1117/1.1874175

Citations: 1
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