In situ calibration of shear ratio for quadriwave lateral shearing interferometry using double-slit interference
A new method, to the best of our knowledge, based on double-slit (DS) interference is proposed to accurately estimate the shear ratio of the system, with plane wave or spherical wave incidence. Existing shear ratio calibration methods, designed primarily for lateral shearing interferometry (LSI) with plane wave incidence, are not applicable to LSIs directly testing divergent or convergent spherical waves. Equations for calculating the shear ratio using the fringe spacing of the DS interferogram and the NA of the incident spherical wave are derived in this paper. The simulation result shows that the relative error of the shear ratio value is about 0.3%, when the shear ratio is 0.1. In the experiment, the quadriwave LSI is designed with a plug-in feature. The shear ratio at integer multiples of 1/6 Talbot distance from the modified Hartmann mask was calibrated using a DS, and the results were in good agreement with theoretical values, confirming the accuracy of the method. Subsequently, with the assistance of an inductance micrometer, the shear ratio was calibrated at intervals of 0.5 mm, and the results closely matched the theoretical variation of the shear ratio caused by displacement, confirming the high precision of the method.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:63 |
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| Enthalten in: |
Applied optics - 63(2024), 9 vom: 20. März, Seite 2331-2339 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Xiaotian [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 03.04.2024 published: Print Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1364/AO.519203 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370580230 |
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| 100 | 1 | |a Zhang, Xiaotian |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a In situ calibration of shear ratio for quadriwave lateral shearing interferometry using double-slit interference |
| 264 | 1 | |c 2024 | |
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| 500 | |a Date Revised 03.04.2024 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a A new method, to the best of our knowledge, based on double-slit (DS) interference is proposed to accurately estimate the shear ratio of the system, with plane wave or spherical wave incidence. Existing shear ratio calibration methods, designed primarily for lateral shearing interferometry (LSI) with plane wave incidence, are not applicable to LSIs directly testing divergent or convergent spherical waves. Equations for calculating the shear ratio using the fringe spacing of the DS interferogram and the NA of the incident spherical wave are derived in this paper. The simulation result shows that the relative error of the shear ratio value is about 0.3%, when the shear ratio is 0.1. In the experiment, the quadriwave LSI is designed with a plug-in feature. The shear ratio at integer multiples of 1/6 Talbot distance from the modified Hartmann mask was calibrated using a DS, and the results were in good agreement with theoretical values, confirming the accuracy of the method. Subsequently, with the assistance of an inductance micrometer, the shear ratio was calibrated at intervals of 0.5 mm, and the results closely matched the theoretical variation of the shear ratio caused by displacement, confirming the high precision of the method | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Han, Xiting |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Hui |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Shuhao |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yanqiu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Ke |e verfasserin |4 aut | |
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