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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 11 — Jun. 1, 2011
  • pp: 2005–2007

An absolute test for axicon surfaces

Jun Ma, Christof Pruss, Rihong Zhu, Zhishan Gao, Caojin Yuan, and Wolfgang Osten  »View Author Affiliations


Optics Letters, Vol. 36, Issue 11, pp. 2005-2007 (2011)
http://dx.doi.org/10.1364/OL.36.002005


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Abstract

We present a method for absolute testing of axicon surfaces in a null test setup. The absolute test exploits the symmetry of axicons, which allows us to introduce a shift of the surface under test in both the axial and rotational directions while still maintaining the null test condition. With two shifts of the surface under test and four measurements, the interferometer and null optics error can be removed. The absolute surface local deviation can be obtained by wavefront reconstruction with a double-side spiral-path direct integration method. A simulation of the method, including typical systematic as well as statistical errors as input, is presented to estimate the error propagation. Experimental absolute test results of a 90 ° axicon surface are given.

© 2011 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: March 15, 2011
Revised Manuscript: April 22, 2011
Manuscript Accepted: April 22, 2011
Published: May 25, 2011

Citation
Jun Ma, Christof Pruss, Rihong Zhu, Zhishan Gao, Caojin Yuan, and Wolfgang Osten, "An absolute test for axicon surfaces," Opt. Lett. 36, 2005-2007 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-11-2005

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