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New paper on Optics Letters with a design for an achromatic retarder system with tunable retardance


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We published a new paper in Optics Letters entitled Achromatic linear retarder with tunable retardance.

In this work we present a universal design and proof-of-concept of a tunable linear retarder of uniform wavelength response in a broad spectral range. It consists of two half-wave retarders (HWR) between two quarter-wave retarders (QWRs), where the uniform retardance can be tuned continuously by simply rotating one of the HWRs. A proof-of-concept of this design is built by using commercially available Fresnel rhomb retarders that provide retardation with almost wavelength uniformity in the visible and near infrared from 450 to 1550 nm. The system is experimentally demonstrated to control the state of polarization of a super-continuum laser.

The work has been developed in collaboration with Asticio Vargas, from Universidad de la Frontera, Chile. And it is part of the PhD thesis of Abdelghafour Messaadi.


Sábado, 7 de julio de 2018 Sin comentarios

Pascuala Garcia promoted to Full Professor at the Department of Optics of University of Valencia


Oposicon PasIn 2017, October 23th and 24th, Pascuala Garcia passed her last exam for the promotion to Full Professor of Optics at the Department of Optics & Optometry & Vision Sciences, of the University of Valencia.

The picture shows Pascuala with the members of the jury, at the end of the session.



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Viernes, 10 de noviembre de 2017 Sin comentarios

2016 Calendar on Women in Light Science and Light Technology


InvestigadorasThe 2016 calendar on Women in Light Science and Light Technology has been launched.

Coordinated by Pascuala Garcia and with the participation of Maria del Mar Sánchez, this calendar summarizes the Exhibition on Women in Light Science and Light Technology, developed with the support of SEDOPTICA, RSEF, and SPIE among others, in commemoration of the International Year of Light.

This exhibition promotes the visibility of 12 women who contributed significantly to the development of light science and technology. Each month is devoted to one of these famous researchers.

The calendar can be downloaded at: link


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Miércoles, 3 de febrero de 2016 Sin comentarios

Pascuala Garcia and María M. Sánchez-Lopez launch the IYL ‘Women in Light Science’ exhibition


Maria Goeppert-Mayer IYL2015 postcardPascuala García (exhibition coordinator) and María del Mar Sánchez (member of the working group) participate in the composition of the exhibition “Mujeres Investigadoras en la Luz” (Women in Light Science), that was launched last September in the XI RNO in Salamanca. The exhibition can be downloaded at: link

Two of the objectives of the United Nations in the declaration of 2015 as the International Year of Light are “to promote women’s empowerment in science” and “to promote education amongst young people”. Following both lines, the WOMEN IN PHYSICS GROUP of RSEF – Real Sociedad Española de Física, in collaboration with SEDOPTICA – the Spanish Optical Society, have composed an exhibition with the life aspects and scientific contribution of 12 women researchers who have contributed to fundamental discoveries in Optics and Photonics.

SPIE is also supporting it:  link

A related video can be found at the International Year of Light webpage: link

 


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Martes, 3 de noviembre de 2015 Sin comentarios