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

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...

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Detalles Bibliográficos
Autores: Sanabria Ortega, Fernando Guillermo|||0000-0003-0326-6878, Aldaba Arévalo, Mikel|||0000-0001-5835-4395, Díaz Douton, Fernando|||0000-0003-3699-015X, García Guerra, Carlos Enrique|||0000-0001-7013-9938, Pujol Ramo, Jaume|||0000-0003-0811-9244
Tipo de recurso: artículo
Fecha de publicación:2014
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/24674
Acceso en línea:https://hdl.handle.net/2117/24674
https://dx.doi.org/10.1117/1.OE.53.6.061710
Access Level:acceso abierto
Palabra clave: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
Àrees temàtiques de la UPC::Ciències de la visió::Optometria
Àrees temàtiques de la UPC::Enginyeria electrònica::Optoelectrònica
Descripción
Sumario: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)

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