| Issue |
EPJ Web Conf.
Volume 238, 2020
EOS Annual Meeting (EOSAM 2020)
|
|
|---|---|---|
| Article Number | 03006 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 3- Optical System Design, Tolerancing and Manufacturing | |
| DOI | https://doi.org/10.1051/epjconf/202023803006 | |
| Published online | 20 August 2020 | |
https://doi.org/10.1051/epjconf/202023803006
Optimising zero-order suppression in ion-exchanged phase gratings
Quantum Materials and Photonics Group, Department of Applied Physics, Faculty of Physics / Faculty of Optics and Optometry, University of Santiago de Compostela, Campus Vida s/n, E-15782, Santiago de Compostela, Galicia, Spain
∗ e-mail: carlos.montero@usc.es
Published online: 20 August 2020
Ion-exchange in glass is a well-known technique to fabricate phase optical elements. For elements with reduced dimensions, the side diffusion, intrinsic to ion-exchange processes, can affect the performance of these elements if it is not taken into account. Here we present a procedure to optimise the zero-order suppression of ion-exchanged phase gratings.
© The Authors, published by EDP Sciences, 2020
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