Metrology of 3D freeform spherical gradient index preforms

Jianing Yao; Panomsak Meemon; Panomsak Meemon; Michael Ponting; Jannick P. Rolland

doi:10.1364/FREEFORM.2015.FT3B.3

Imaging and Applied Optics 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper FT3B.3
•https://doi.org/10.1364/FREEFORM.2015.FT3B.3

Metrology of 3D freeform spherical gradient index preforms

Jianing Yao, Panomsak Meemon, Michael Ponting, and Jannick P. Rolland

Freeform Optics 2015

Arlington, Virginia United States
7–11 June 2015
ISBN: 978-1-943580-00-2

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Freeform: Metrology I (FT3B)

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J. Yao, P. Meemon, M. Ponting, and J. P. Rolland, "Metrology of 3D freeform spherical gradient index preforms," in Imaging and Applied Optics 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper FT3B.3.

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Abstract

We present an angular-scan swept-source optical coherence tomography system for 3D imaging and concentricity characterization of two generations of spherical gradient index preforms with a method to decouple the physical thickness and the index measurements.

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