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New paper in JEOS-Rapid Pub with an optical system to characterize retarders in a wide spectral range


jeosWe published a new paper in Journal of the European Optical Society – Rapid Publications, entitled Optical system for measuring the spectral retardance function in a extended range.

Here we apply a well-known technique for determining the spectral retardance of different linear retarders by measuring the transmission spectra between crossed or parallel polarizers. The system we developed allows measurements in a wide spectral range covering the visible (VIS) and near infrared (NIR) spectrum in the range from 400 to 1600 nm.

This work was made in collaboration with our friend Asticio Vargas from UFRO (Chile), and it is the first paper of the PhD thesis of Abdelghafor Messaadi.


Categories: International, Publications, Students Tags:

Lunes, 14 de noviembre de 2016 Sin comentarios

Pedro Martínez and Jordi Gomis successfully defend their Master degree thesis on the development of a digital spectrum generator


Pedro y JordiMaster students Pedro Martínez and Jordi Gomis successfully defended their respective Master degree thesis on March 3rd 2016, to obtain the Master degree in Solar & Renewable Energy from UMH.

They both developed their master thesis within TecnOpto Lab, supervised by Ignacio Moreno, in the development of a spectral control system based on a super continuum laser source modulated by means of a liquid crystal spatial light modulator. They both received the maximum grade for their work.

Pedro’s work was entitled “Study of liquid crystal modulators for the realization of a digital artificial and solar spectrum generator”, while Jordi’s work was entitled “Advanced optical system for the generation of digital spectra. Application as a solar simulator and source for testing detectors”.

 

 

 


Categories: Students, Thesis Tags:

Sábado, 12 de marzo de 2016 Sin comentarios

Venancio Calero and Cristian Santiago succesfully present their Final Degree Thesis


Photo SmallVenancio Calero and Cristian Santiago succesfully defended their final degree Thesis in Telecommunications Engineering and in Industrial Engienering respectively, both supervised by Ignacio Moreno.

Venancio completed a work entitled “Liquid crystal spatial light modulators with high phase modulation for controlling a laser deflector”, where he applied a LCoS device designed to operate with IR light to achieve large values of phase modulation with visible light. The picture shows Venancio and Ignacio at the end of the session.

Cristian  completed a work entitled “Realization of a Fourier transform optical processing system based on LCoS modulators”, where he built an optical image processor system and applied different optical techniques.


Categories: Students, Thesis Tags:

Martes, 11 de noviembre de 2014 Sin comentarios