Measuring laser beam quality, wavefronts, and lens aberrations using ptychography

Mengqi Du; Lars Loetgering; Kjeld S.E. Eikema; Stefan Witte

doi:10.1364/OE.385191

Measuring laser beam quality, wavefronts, and lens aberrations using ptychography

Mengqi Du, Lars Loetgering, Kjeld S.E. Eikema, Stefan Witte

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

We report on an approach for quantitative characterization of laser beam quality, wavefronts, and lens aberrations using ptychography with a near-infrared supercontinuum laser. Ptychography is shown to offer a powerful alternative for both beam propagation ratio M² and wavefront measurements compared with existing techniques. In addition, ptychography is used to recover the transmission function of a microlens array for aberration analysis. The results demonstrate ptychography’s flexibility in wavefront metrology and optical shop testing.

Original language	English
Pages (from-to)	5022-5034
Number of pages	13
Journal	Optics Express
Volume	28
Issue number	4
DOIs	https://doi.org/10.1364/OE.385191
Publication status	Published - 17 Feb 2020

Funding

Nederlandse Organisatie voor Wetenschappelijk Onderzoek (13934); European Research Council (637476).

Funders	Funder number
Horizon 2020 Framework Programme	637476
European Research Council
Nederlandse Organisatie voor Wetenschappelijk Onderzoek	13934

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Measuring laser beam quality, wavefronts, and lens aberrations using ptychography",

abstract = "We report on an approach for quantitative characterization of laser beam quality, wavefronts, and lens aberrations using ptychography with a near-infrared supercontinuum laser. Ptychography is shown to offer a powerful alternative for both beam propagation ratio M2 and wavefront measurements compared with existing techniques. In addition, ptychography is used to recover the transmission function of a microlens array for aberration analysis. The results demonstrate ptychography{\textquoteright}s flexibility in wavefront metrology and optical shop testing.",

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AU - Witte, Stefan

PY - 2020/2/17

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AB - We report on an approach for quantitative characterization of laser beam quality, wavefronts, and lens aberrations using ptychography with a near-infrared supercontinuum laser. Ptychography is shown to offer a powerful alternative for both beam propagation ratio M2 and wavefront measurements compared with existing techniques. In addition, ptychography is used to recover the transmission function of a microlens array for aberration analysis. The results demonstrate ptychography’s flexibility in wavefront metrology and optical shop testing.

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Measuring laser beam quality, wavefronts, and lens aberrations using ptychography

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UN SDGs

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