Cylindrical lenses
Cylindrical lenses are used to ensure that only one part is focused. For illumination or detection of light from linear sources. Also used for anamorphic ray and image compression. Anamorphic compression of the output beam of a laser diode is especially widely used.
Types of precision cylindrical lenses:
Functional purpose:
Focusing cylindrical lenses are used to focus light along one of the axes.
Dispersing cylindrical lenses are used to separate light into components with different wavelengths.
Form:
Flat-convex cylindrical lenses: Have one convex and one flat surface.
Flat-concave cylindrical lenses: Have one concave and one flat surface.
Double-convex cylindrical lenses: Both surfaces are convex.
Materials to be processed: Glass and quartz glass, CVD-ZnSe (zinc selenide), CVD-ZnS (zinc sulfide), Si (silicon), Ge (germanium), CaF2 (calcium fluoride, calcium fluoride), MgF2 (magnesium fluoride, magnesium fluoride), BaF2 (barium fluoride, barium fluoride), LiF (lithium fluoride, lithium fluoride).
Types of precision cylindrical lenses:
Functional purpose:
Focusing cylindrical lenses are used to focus light along one of the axes.
Dispersing cylindrical lenses are used to separate light into components with different wavelengths.
Form:
Flat-convex cylindrical lenses: Have one convex and one flat surface.
Flat-concave cylindrical lenses: Have one concave and one flat surface.
Double-convex cylindrical lenses: Both surfaces are convex.
Materials to be processed: Glass and quartz glass, CVD-ZnSe (zinc selenide), CVD-ZnS (zinc sulfide), Si (silicon), Ge (germanium), CaF2 (calcium fluoride, calcium fluoride), MgF2 (magnesium fluoride, magnesium fluoride), BaF2 (barium fluoride, barium fluoride), LiF (lithium fluoride, lithium fluoride).