JOURNAL OF OPTICS-INDIA, vol.52, no.3, pp.956-968, 2023 (ESCI)
Through the use of diffractive optical elements (DOEs) in electro-optical systems, significant design freedoms have been achieved in these systems. Because of these design freedoms, a single DOE can perform several functions of an optical system. This provides considerable advantages in military and aerial applications. This paper presents a new combined diffractive optical element (CDOE) that increases a laser seeker's measurement sensitivity and maintains the linear measurement range almost the same as a conventional lens. The optical wave propagation method was applied to the CDOE in this study, and the simulation results were compared with a conventional refractive lens named the ideal refractive lens (IRL) in this article. The principle of operation of a laser seeker was analyzed by using MATLAB for IRL and CDOE. The analysis results indicate that the CDOE could increase the measurement sensitivity of the laser seeker while keeping the linear measurement range almost the same. Therefore, the new CDOE that provides many benefits would have better potential than conventional refractive lenses in laser seeker applications. This article will contribute to the development of combined lenses that simultaneously meet various parameters in an electro-optical system.