Strehl Ratio

1994 ◽  
pp. 161-182
Author(s):  
Richard J. Sasiela
Keyword(s):  
Strehl Ratio

scholarly journals The Strehl Ratio in Adaptive Optics Images: Statistics and Estimation

2007 ◽  
Vol 663 (1) ◽  
pp. L49-L52 ◽  
Author(s):  
Rémi Soummer ◽  
André Ferrari
Keyword(s):  
Adaptive Optics ◽  
Strehl Ratio

IMAGING THE DEBRIS DISK OF HD 32297 WITH A PHASE-MASK CORONAGRAPH AT HIGH STREHL RATIO

2009 ◽  
Vol 702 (1) ◽  
pp. L47-L50 ◽  
Author(s):  
D. Mawet ◽  
E. Serabyn ◽  
K. Stapelfeldt ◽  
J. Crepp
Keyword(s):  
Phase Mask ◽  
Strehl Ratio ◽  
Debris Disk

scholarly journals Effect of Spherical Aberration on the Optical Quality after Implantation of Two Different Aspherical Intraocular Lenses

2017 ◽  
Vol 2017 ◽  
pp. 1-6 ◽  
Author(s):  
Michael Lasta ◽  
Kata Miháltz ◽  
Illés Kovács ◽  
Pia Veronika Vécsei-Marlovits
Keyword(s):  
Contrast Sensitivity ◽  
Pupil Size ◽  
Spherical Aberration ◽  
Optical Quality ◽  
Intraocular Lenses ◽  
Strehl Ratio ◽  
Minimum Diameter ◽  
Link Type ◽  
Medical Optics ◽  
Aspherical Iol

Purpose. To compare the effect of spherical aberration on optical quality in eyes with two different aspherical intraocular lenses. Methods. 120 eyes of 60 patients underwent phacoemulsification. In patients’ eyes, an aberration-free IOL (Aspira-aA; Human Optics) or an aberration-correcting aspherical IOL (Tecnis ZCB00; Abott Medical Optics) was randomly implanted. After surgery, contrast sensitivity and wavefront measurements as well as tilt and decentration measurements were performed. Results. Contrast sensitivity was significantly higher in eyes with Aspira lens under mesopic conditions with 12 cycles per degree (CPD) and under photopic conditions with 18 CPD (p=0.02). Wavefront measurements showed a higher total spherical aberration with a minimal pupil size of 4 mm in the Aspira group (0.05 ± 0.03) than in the Tecnis group (0.03 ± 0.02) (p=0.001). Strehl ratio was higher in eyes with Tecnis (0.28 ± 0.17) with a minimal pupil size larger than 5 mm than that with Aspira (0.16 ± 0.14) (p=0.04). In pupils with a minimum diameter of 4 mm spherical aberration had a significant effect on Strehl ratio, but not in pupils with a diameter less than 4 mm. Conclusions. Optical quality was better in eyes with the aberration-correcting Tecnis IOL when pupils were large. In contrast, this could not be shown in eyes with pupils under 4 mm or larger. This trial is registered with Clinicaltrials.gov NCT03224728.

Variance of the Strehl ratio of an adaptive optics system

1998 ◽  
Vol 15 (8) ◽  
pp. 2107 ◽  
Author(s):  
Harold T. Yura ◽  
David L. Fried
Keyword(s):  
Adaptive Optics ◽  
Strehl Ratio ◽  
Adaptive Optics System

scholarly journals Strehl ratio and optimum focus of high-numerical-aperture beams

2007 ◽  
Vol 2 ◽  
Author(s):  
Augustus J.E.M. Janssen ◽  
Sven van Haver ◽  
Joseph J.M. Braat ◽  
Peter Dirksen
Keyword(s):  
Numerical Aperture ◽  
Strehl Ratio ◽  
High Numerical Aperture

scholarly journals Temporal Variability and Statistics of the Strehl Ratio in Adaptive-Optics Images

2008 ◽  
Vol 120 (872) ◽  
pp. 1132-1143 ◽  
Author(s):  
Szymon Gladysz ◽  
Julian C. Christou ◽  
L. William Bradford ◽  
Lewis C. Roberts
Keyword(s):  
Adaptive Optics ◽  
Temporal Variability ◽  
Strehl Ratio

Strehl Ratio Measurements of Laser Damaged Plastics

2008 ◽  
pp. 80-80-4
Author(s):  
BW Mullins ◽  
BA Richert
Keyword(s):  
Strehl Ratio

Application Limits of the Strehl Ratio Approximations

2015 ◽  
Vol 35 (s1) ◽  
pp. s111004
Author(s):  
谭碧涛 Tan Bitao ◽  
陈力子 Chen Lizi ◽  
陈洪斌 Chen Hongbin
Keyword(s):  
Strehl Ratio

The effect on Strehl ratio from thickness variations in liquid crystal diffractive lenses

2011 ◽  
Author(s):  
Lu Lu ◽  
Lei Shi ◽  
Dwight Duston ◽  
Tony Van Heugten ◽  
Philip J. Bos
Keyword(s):  
Liquid Crystal ◽  
Strehl Ratio ◽  
Diffractive Lenses ◽  
Thickness Variations
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