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 OPJ  Vol.5 No.4 , April 2015
Study and Design of Hybrid Triplet Lens
Abstract: This study presents a new method for designing algorithm for a triplet lens with one or two elements that are made of a gradient index medium (GRIN). This method is based upon considering a well-known designed triplet lens (Cooke triplet lens) as a target lens for designing of the Hybrid Triplet Lens (HTL). Our design was based upon keeping the total optical path length for the axial ray fixed for each case of design. The results showed that several designs for the HTL have the same total powers of the target lens. These designs depend on the variation of the GRIN element parameter values and the order of the GRIN element position in the system. These HTL designs have been evaluated by considering several optical merit functions, i.e., the root mean square (RMS) spot radius, wave front error and the spherical aberration. To achieve the optimal design, these functions are compared for the target lens and the HTL designs through a wide range of field angles.
Cite this paper: Al-Hariby, N. , Kassim, A. and Al-Ahdali, I. (2015) Study and Design of Hybrid Triplet Lens. Optics and Photonics Journal, 5, 161-172. doi: 10.4236/opj.2015.54015.
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