Abstract
The diffractive optical element (DOE) provides unique and improved chromatic aberration reduction for both visible and IR optical systems. The DOE simplifies the optical design form and improves the image quality of refractive optical systems. This paper formulates and analyzes the theory of chromatic aberration correction and compares DOE performance with that of a conventional optical element (COE). It presents several design examples with spectral bandwidth ranging from visible to long wavelength infrared to illustrate the advantages of optical systems using a DOE. DOE improves optical system performance while lowering the cost and weight by reducing the number of lens elements and desensitizing misalignment tolerances.
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