Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons

Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons

Abstract Ion irradiation is a widely employed tool to fabricate diamond micro- and nano-structures for applications in integrated photonics and quantum optics. In this context, it is essential to accurately assess the effect of ion-induced damage on the variation of the refractive index of the mater...

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Autores principales: S. Lagomarsino, S. Calusi, M. Massi, N. Gelli, S. Sciortino, F. Taccetti, L. Giuntini, A. Sordini, M. Vannoni, F. Bosia, D. Gatto Monticone, P. Olivero, B. A. Fairchild, P. Kashyap, A. D. C. Alves, M. A. Strack, S. Prawer, A. D. Greentree
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Publicado: Nature Portfolio 2017
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spelling oai:doaj.org-article:111be97183da4cca877d07b8ce448f742021-12-02T12:30:12ZRefractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons10.1038/s41598-017-00343-02045-2322https://doaj.org/article/111be97183da4cca877d07b8ce448f742017-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00343-0https://doaj.org/toc/2045-2322Abstract Ion irradiation is a widely employed tool to fabricate diamond micro- and nano-structures for applications in integrated photonics and quantum optics. In this context, it is essential to accurately assess the effect of ion-induced damage on the variation of the refractive index of the material, both to control the side effects in the fabrication process and possibly finely tune such variations. Several partially contradictory accounts have been provided on the effect of the ion irradiation on the refractive index of single crystal diamond. These discrepancies may be attributable to the fact that in all cases the ions are implanted in the bulk of the material, thus inducing a series of concurrent effects (volume expansion, stress, doping, etc.). Here we report the systematic characterization of the refractive index variations occurring in a 38 µm thin artificial diamond sample upon irradiation with high-energy (3 MeV and 5 MeV) protons. In this configuration the ions are fully transmitted through the sample, while inducing an almost uniform damage profile with depth. Therefore, our findings conclusively identify and accurately quantify the change in the material polarizability as a function of ion beam damage as the primary cause for the modification of its refractive index.S. LagomarsinoS. CalusiM. MassiN. GelliS. SciortinoF. TaccettiL. GiuntiniA. SordiniM. VannoniF. BosiaD. Gatto MonticoneP. OliveroB. A. FairchildP. KashyapA. D. C. AlvesM. A. StrackS. PrawerA. D. GreentreeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
S. Lagomarsino
S. Calusi
M. Massi
N. Gelli
S. Sciortino
F. Taccetti
L. Giuntini
A. Sordini
M. Vannoni
F. Bosia
D. Gatto Monticone
P. Olivero
B. A. Fairchild
P. Kashyap
A. D. C. Alves
M. A. Strack
S. Prawer
A. D. Greentree
Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons
description Abstract Ion irradiation is a widely employed tool to fabricate diamond micro- and nano-structures for applications in integrated photonics and quantum optics. In this context, it is essential to accurately assess the effect of ion-induced damage on the variation of the refractive index of the material, both to control the side effects in the fabrication process and possibly finely tune such variations. Several partially contradictory accounts have been provided on the effect of the ion irradiation on the refractive index of single crystal diamond. These discrepancies may be attributable to the fact that in all cases the ions are implanted in the bulk of the material, thus inducing a series of concurrent effects (volume expansion, stress, doping, etc.). Here we report the systematic characterization of the refractive index variations occurring in a 38 µm thin artificial diamond sample upon irradiation with high-energy (3 MeV and 5 MeV) protons. In this configuration the ions are fully transmitted through the sample, while inducing an almost uniform damage profile with depth. Therefore, our findings conclusively identify and accurately quantify the change in the material polarizability as a function of ion beam damage as the primary cause for the modification of its refractive index.
format article
author S. Lagomarsino
S. Calusi
M. Massi
N. Gelli
S. Sciortino
F. Taccetti
L. Giuntini
A. Sordini
M. Vannoni
F. Bosia
D. Gatto Monticone
P. Olivero
B. A. Fairchild
P. Kashyap
A. D. C. Alves
M. A. Strack
S. Prawer
A. D. Greentree
author_facet S. Lagomarsino
S. Calusi
M. Massi
N. Gelli
S. Sciortino
F. Taccetti
L. Giuntini
A. Sordini
M. Vannoni
F. Bosia
D. Gatto Monticone
P. Olivero
B. A. Fairchild
P. Kashyap
A. D. C. Alves
M. A. Strack
S. Prawer
A. D. Greentree
author_sort S. Lagomarsino
title Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons
title_short Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons
title_full Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons
title_fullStr Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons
title_full_unstemmed Refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons
title_sort refractive index variation in a free-standing diamond thin film induced by irradiation with fully transmitted high-energy protons
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/111be97183da4cca877d07b8ce448f74
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