Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics

This work studies the problem of designing computer-generated holograms using phase-shifting masks limited to represent only a small number of discrete phase levels. This problem has various applications, notably in the emerging field of optogenetics and lithography. A novel regularized cost functio...

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Autores principales:	Dimitris Ampeliotis, Aggeliki Anastasiou, Christina (Tanya) Politi, Dimitris Alexandropoulos
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	proximal algorithms optogenetics computer-generated holograms phase-shifting mask design Applied optics. Photonics TA1501-1820
Acceso en línea:	https://doaj.org/article/873515f593b44753bcaa19f2aa971417
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spelling	oai:doaj.org-article:873515f593b44753bcaa19f2aa9714172021-11-25T18:43:09ZProximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics10.3390/photonics81104772304-6732https://doaj.org/article/873515f593b44753bcaa19f2aa9714172021-10-01T00:00:00Zhttps://www.mdpi.com/2304-6732/8/11/477https://doaj.org/toc/2304-6732This work studies the problem of designing computer-generated holograms using phase-shifting masks limited to represent only a small number of discrete phase levels. This problem has various applications, notably in the emerging field of optogenetics and lithography. A novel regularized cost function is proposed for the problem at hand that penalizes the unfeasible phase levels. Since the proposed cost function is non-smooth, we derive proper proximal gradient algorithms for its minimization. Simulation results, considering an optogenetics application, demonstrate that the proposed proximal gradient algorithm yields better performance as compared to other algorithms proposed in the literature.Dimitris AmpeliotisAggeliki AnastasiouChristina (Tanya) PolitiDimitris AlexandropoulosMDPI AGarticleproximal algorithmsoptogeneticscomputer-generated hologramsphase-shifting mask designApplied optics. PhotonicsTA1501-1820ENPhotonics, Vol 8, Iss 477, p 477 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	proximal algorithms optogenetics computer-generated holograms phase-shifting mask design Applied optics. Photonics TA1501-1820
spellingShingle	proximal algorithms optogenetics computer-generated holograms phase-shifting mask design Applied optics. Photonics TA1501-1820 Dimitris Ampeliotis Aggeliki Anastasiou Christina (Tanya) Politi Dimitris Alexandropoulos Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics
description	This work studies the problem of designing computer-generated holograms using phase-shifting masks limited to represent only a small number of discrete phase levels. This problem has various applications, notably in the emerging field of optogenetics and lithography. A novel regularized cost function is proposed for the problem at hand that penalizes the unfeasible phase levels. Since the proposed cost function is non-smooth, we derive proper proximal gradient algorithms for its minimization. Simulation results, considering an optogenetics application, demonstrate that the proposed proximal gradient algorithm yields better performance as compared to other algorithms proposed in the literature.
format	article
author	Dimitris Ampeliotis Aggeliki Anastasiou Christina (Tanya) Politi Dimitris Alexandropoulos
author_facet	Dimitris Ampeliotis Aggeliki Anastasiou Christina (Tanya) Politi Dimitris Alexandropoulos
author_sort	Dimitris Ampeliotis
title	Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics
title_short	Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics
title_full	Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics
title_fullStr	Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics
title_full_unstemmed	Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics
title_sort	proximal algorithms for discrete-level phase-shifting mask design with application to optogenetics
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/873515f593b44753bcaa19f2aa971417
work_keys_str_mv	AT dimitrisampeliotis proximalalgorithmsfordiscretelevelphaseshiftingmaskdesignwithapplicationtooptogenetics AT aggelikianastasiou proximalalgorithmsfordiscretelevelphaseshiftingmaskdesignwithapplicationtooptogenetics AT christinatanyapoliti proximalalgorithmsfordiscretelevelphaseshiftingmaskdesignwithapplicationtooptogenetics AT dimitrisalexandropoulos proximalalgorithmsfordiscretelevelphaseshiftingmaskdesignwithapplicationtooptogenetics
_version_	1718410785143652352

Proximal Algorithms for Discrete-Level Phase-Shifting Mask Design with Application to Optogenetics

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