LENSES AND FERMAT'S PRINCIPLE

Fermat's principle is considered through some EXCEL FILES and some Visual Basic generated software. :Lenses" is a software that examines several aspects of the theory of lenses. Especially are examined the proble of focusing in connection to the constancy of optical path between source and point of focusing.

All files are included in the file optics excel files

SUBKJECT

software

Images

Al Haytham's problem

Excel file with macros. In case you have no Excel (or only Excel Starter) there is a version in Calc of OpenOffice

al HaythamAL S PROBLE M

Heron's principle

HERO'S PRINCIPLE

Hero's principle

Fermat's principle

Excel File

FERMAT

Fermat's principle for circular and elliptical surfaces

CIRCULAR AND ELLIPTIC SURFACES. In case you do not have Excel (or only Excel Starter) there is an OpenOffice Calc file with macros.

elliptic

constant path for parabola or ellipse

Parabola Ellipse

parabola ellipse

Hecht's problem

Hecht's problem with Excel file

 

Hecht's problem

Hecht's problem with EXE file

ellipse hecht