ATHERMALIZED FOUR-COMPONENT LENS FOR INFRARED SPECTRUM

摘要

Anfour optical lenses series connected in the line of beams and working within infrared wavelength range of 8 … 12 µm. Additionally it comprises an aperture diaphragm arranged between second and third lenses. First, second and fourth lenses are made of germanium, third lens is made of KRS5. All lenses are made as meniscus lenses oriented by concavities towards the image space.