Increasing the field of view in grating based X-ray phase contrast imaging using stitched gratings

J. Meiser; M. Willner; T. Schröter; A. Hofmann; J. Rieger; F. Koch; L. Birnbacher; M. Schüttler; D. Kunka; P. Meyer; A. Faisal; M. Amberger; T. Duttenhofer; T. Weber; A. Hipp; S. Ehn; M. Walter; J. Herzen; J. Schulz; F. Pfeiffer; J. Mohr

doi:10.3233/XST-160552

Increasing the field of view in grating based X-ray phase contrast imaging using stitched gratings

J. Meiser, M. Willner, T. Schröter, A. Hofmann, J. Rieger, F. Koch, L. Birnbacher, M. Schüttler, D. Kunka, P. Meyer, A. Faisal, M. Amberger, T. Duttenhofer, T. Weber, A. Hipp, S. Ehn, M. Walter, J. Herzen, J. Schulz, F. PfeifferJ. Mohr

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

Grating based X-ray differential phase contrast imaging (DPCI) allows for high contrast imaging of materials with similar absorption characteristics. In the last years' publications, small animals or parts of the human body like breast, hand, joints or blood vessels have been studied. Larger objects could not be investigated due to the restricted field of view limited by the available grating area. In this paper, we report on a new stitching method to increase the grating area significantly: individual gratings are merged on a carrier substrate. Whereas the grating fabrication process is based on the LIGA technology (X-ray lithography and electroplating) different cutting and joining methods have been evaluated. First imaging results using a 2×2 stitched analyzer grating in a Talbot-Lau interferometer have been generated using a conventional polychromatic X-ray source. The image quality and analysis confirm the high potential of the stitching method to increase the field of view considerably.

Original language	English
Pages (from-to)	379-388
Number of pages	10
Journal	Journal of X-Ray Science and Technology
Volume	24
Issue number	3
DOIs	https://doi.org/10.3233/XST-160552
State	Published - 1 Jun 2016

Keywords

LIGA
X-ray phase contrast imaging
field of view
grating
stitching
talbot interferometry

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10.3233/XST-160552

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Meiser, J., Willner, M., Schröter, T., Hofmann, A., Rieger, J., Koch, F., Birnbacher, L., Schüttler, M., Kunka, D., Meyer, P., Faisal, A., Amberger, M., Duttenhofer, T., Weber, T., Hipp, A., Ehn, S., Walter, M., Herzen, J., Schulz, J., ... Mohr, J. (2016). Increasing the field of view in grating based X-ray phase contrast imaging using stitched gratings. Journal of X-Ray Science and Technology, 24(3), 379-388. https://doi.org/10.3233/XST-160552

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title = "Increasing the field of view in grating based X-ray phase contrast imaging using stitched gratings",

abstract = "Grating based X-ray differential phase contrast imaging (DPCI) allows for high contrast imaging of materials with similar absorption characteristics. In the last years' publications, small animals or parts of the human body like breast, hand, joints or blood vessels have been studied. Larger objects could not be investigated due to the restricted field of view limited by the available grating area. In this paper, we report on a new stitching method to increase the grating area significantly: individual gratings are merged on a carrier substrate. Whereas the grating fabrication process is based on the LIGA technology (X-ray lithography and electroplating) different cutting and joining methods have been evaluated. First imaging results using a 2×2 stitched analyzer grating in a Talbot-Lau interferometer have been generated using a conventional polychromatic X-ray source. The image quality and analysis confirm the high potential of the stitching method to increase the field of view considerably.",

keywords = "LIGA, X-ray phase contrast imaging, field of view, grating, stitching, talbot interferometry",

author = "J. Meiser and M. Willner and T. Schr{\"o}ter and A. Hofmann and J. Rieger and F. Koch and L. Birnbacher and M. Sch{\"u}ttler and D. Kunka and P. Meyer and A. Faisal and M. Amberger and T. Duttenhofer and T. Weber and A. Hipp and S. Ehn and M. Walter and J. Herzen and J. Schulz and F. Pfeiffer and J. Mohr",

year = "2016",

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doi = "10.3233/XST-160552",

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Meiser, J, Willner, M, Schröter, T, Hofmann, A, Rieger, J, Koch, F, Birnbacher, L, Schüttler, M, Kunka, D, Meyer, P, Faisal, A, Amberger, M, Duttenhofer, T, Weber, T, Hipp, A, Ehn, S, Walter, M, Herzen, J, Schulz, J, Pfeiffer, F & Mohr, J 2016, 'Increasing the field of view in grating based X-ray phase contrast imaging using stitched gratings', Journal of X-Ray Science and Technology, vol. 24, no. 3, pp. 379-388. https://doi.org/10.3233/XST-160552

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AU - Willner, M.

AU - Schröter, T.

AU - Hofmann, A.

AU - Rieger, J.

AU - Koch, F.

AU - Birnbacher, L.

AU - Schüttler, M.

AU - Kunka, D.

AU - Meyer, P.

AU - Faisal, A.

AU - Amberger, M.

AU - Duttenhofer, T.

AU - Weber, T.

AU - Hipp, A.

AU - Ehn, S.

AU - Walter, M.

AU - Herzen, J.

AU - Schulz, J.

AU - Pfeiffer, F.

AU - Mohr, J.

PY - 2016/6/1

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N2 - Grating based X-ray differential phase contrast imaging (DPCI) allows for high contrast imaging of materials with similar absorption characteristics. In the last years' publications, small animals or parts of the human body like breast, hand, joints or blood vessels have been studied. Larger objects could not be investigated due to the restricted field of view limited by the available grating area. In this paper, we report on a new stitching method to increase the grating area significantly: individual gratings are merged on a carrier substrate. Whereas the grating fabrication process is based on the LIGA technology (X-ray lithography and electroplating) different cutting and joining methods have been evaluated. First imaging results using a 2×2 stitched analyzer grating in a Talbot-Lau interferometer have been generated using a conventional polychromatic X-ray source. The image quality and analysis confirm the high potential of the stitching method to increase the field of view considerably.

AB - Grating based X-ray differential phase contrast imaging (DPCI) allows for high contrast imaging of materials with similar absorption characteristics. In the last years' publications, small animals or parts of the human body like breast, hand, joints or blood vessels have been studied. Larger objects could not be investigated due to the restricted field of view limited by the available grating area. In this paper, we report on a new stitching method to increase the grating area significantly: individual gratings are merged on a carrier substrate. Whereas the grating fabrication process is based on the LIGA technology (X-ray lithography and electroplating) different cutting and joining methods have been evaluated. First imaging results using a 2×2 stitched analyzer grating in a Talbot-Lau interferometer have been generated using a conventional polychromatic X-ray source. The image quality and analysis confirm the high potential of the stitching method to increase the field of view considerably.

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KW - X-ray phase contrast imaging

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JF - Journal of X-Ray Science and Technology

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ER -

Increasing the field of view in grating based X-ray phase contrast imaging using stitched gratings

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Keywords

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