Fixed ratio beam expander is a device dedicated to increase a diameter of a laser beam.
Altechna’s beam expanders are assembled using one diverging and one converging lens. As there is no focal point inside the beam expander, it can be used for high powers. Special treatment of lenses and mechanics is performed for UV application to improve lifetime and LIDT of the expander. Standard magnifications are from 1.1x to 10x. Beam expanders for any wavelengths between 266 – 2000 nm are available upon request.
