Optical path in birefringent media and Fermat's principle

1998 ◽  
Vol 7 (6) ◽  
pp. 1403-1410 ◽  
Author(s):  
María C Simon ◽  
Karin V Gottschalk
Keyword(s):  
Optical Path ◽  
Fermat’S Principle ◽  
Fermat's Principle

Quantitative OCT image correction using Fermat's principle and mapping arrays

2002 ◽  
Author(s):  
Volker Westphal ◽  
Sunita Radhakrishnan ◽  
Andrew M. Rollins ◽  
Joseph A. Izatt
Keyword(s):  
Image Correction ◽  
Fermat’S Principle ◽  
Fermat's Principle ◽  
Mapping Arrays ◽  
Oct Image

scholarly journals Fermat’s principle in black-hole spacetimes

2018 ◽  
Vol 27 (14) ◽  
pp. 1847025 ◽  
Author(s):  
Shahar Hod
Keyword(s):  
Black Holes ◽  
Black Hole ◽  
Black Hole Spacetimes ◽  
Fermat’S Principle ◽  
Kerr Black Holes ◽  
Fermat's Principle ◽  
Asymptotic Observers

Black-hole spacetimes are known to possess closed light rings. We here present a remarkably compact theorem which reveals the physically intriguing fact that these unique null circular geodesics provide the fastest way, as measured by asymptotic observers, to circle around spinning Kerr black holes.

Three-dimensional Travel-time Calculation Based on Fermat’s Principle

2002 ◽  
pp. 1563-1582
Author(s):  
Valentin Meshbey ◽  
Evgeny Ragoza ◽  
Dan Kosloff ◽  
Uzi Egozi ◽  
Tal Wexler
Keyword(s):  
Travel Time ◽  
Three Dimensional ◽  
Time Calculation ◽  
Fermat’S Principle ◽  
Fermat's Principle

Demonstrating Fermat’s principle in optics

2011 ◽  
Vol 46 (6) ◽  
pp. 702-704 ◽  
Author(s):  
Orr Paleiov ◽  
Ofir Pupko ◽  
S G Lipson
Keyword(s):  
Fermat’S Principle ◽  
Fermat's Principle
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