Technical improvements applied to a double-pass setup for performance and cost optimization

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RECERCAT Home > Universitat Politècnica de Catalunya > Documents de recerca > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2117/24674

Title:	Technical improvements applied to a double-pass setup for performance and cost optimization
Author:	Sanabria Ortega, Fernando Guillermo; Aldaba Arévalo, Mikel; Díaz Douton, Fernando; García Guerra, Carlos Enrique; Pujol Ramo, Jaume
Other authors:	Universitat Politècnica de Catalunya. Departament d'Òptica i Optometria; Universitat Politècnica de Catalunya. GREO - Grup de Recerca en Enginyeria Òptica
Abstract:	We have studied the possibility of improving the performance, simplifying, and reducing the cost of a double-pass system by the use of alternative technologies. The system for correcting the spherical correction has been based on a focusable electro-optical lens, and a recording device based on CMOS technology and a superluminescent diode (SLED) light source have been evaluated separately. The suitability of the CMOS camera has been demonstrated, while the SLED could not break the speckle by itself. The final experimental setup, consisting of a CMOS camera and a laser diode, has been compared with a commercial double-pass system, proving its usefulness for ocular optical quality and scattering measurements. (C) 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Subject(s):	-Àrees temàtiques de la UPC::Ciències de la visió::Optometria -Àrees temàtiques de la UPC::Enginyeria electrònica::Optoelectrònica -Electrooptics -Liquid lenses -Quality control--Optical methods -Eye--Refractive errors -Diodes -electro-optical liquid lens -tunable lens -optical quality -eye refraction -superluminescent diode -laser diode -double-pass -scattering -RETINAL-IMAGE QUALITY -WAVE-FRONT SENSOR -IN-SITU KERATOMILEUSIS -HARTMANN-SHACK SENSOR -POINT-SPREAD FUNCTION -OPTICAL-QUALITY -HUMAN EYE -SYSTEM -AGE -ABERRATIONS -Electroòptica -Ulls -- Acomodació i refracció -Díodes -Lents líquides
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Published version Article
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