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

Ferran Sanabria; Mikel A. Arevalo; Fernando Diaz-Douton; Carlos E. Garcia-Guerra; Jaume P. Ramo

doi:10.1117/1.OE.53.6.061710

10 March 2014 Technical improvements applied to a double-pass setup for performance and cost optimization

Ferran Sanabria, Mikel A. Arevalo, Fernando Diaz-Douton, Carlos E. Garcia-Guerra, Jaume P. Ramo

Author Affiliations +

Optical Engineering, Vol. 53, Issue 6, 061710 (March 2014). https://doi.org/10.1117/1.OE.53.6.061710

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.

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Ferran Sanabria, Mikel A. Arevalo, Fernando Diaz-Douton, Carlos E. Garcia-Guerra, and Jaume P. Ramo "Technical improvements applied to a double-pass setup for performance and cost optimization," Optical Engineering 53(6), 061710 (10 March 2014). https://doi.org/10.1117/1.OE.53.6.061710

Published: 10 March 2014

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