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http://dx.doi.org/10.3807/KJOP.2003.14.6.613

The design of microscopic system using zoom structure with a fixed magnification and the independency on the variation of object distance  

류재명 (서울광학산업㈜ 부설연구소)
조재흥 (한남대학교 자연과학부 광ㆍ전자물리학)
임천석 (한남대학교 자연과학부 광ㆍ전자물리학)
정진호 (프로옵틱스 연구소)
전영세 (프로옵틱스 연구소)
이강배 (프로옵틱스 연구소)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.6, 2003 , pp. 613-622 More about this Journal
Abstract
The multi-configurative microscopic system for inspecting the wire-bonding of reed frame is designed. Rays refracted by objective lens group which is composed of common lens group of x2 and x6 are splitted by beam-splitter, and Rays through the central region and the boundary region of the object imaged at x2 and x6 through imaging lens groups, respectively. The depth of wire structure on the reed frame has about $\pm$3 mm, in order to observe by uniform magnification without the dependency on the variation of objective distance generated by the depth of wire structure on the reed frame, imaging lens groups should be moved on nonlinear locus like mechanically compensated zoom lenses. The nonlinear equations for zoom locus are derived by using the Gaussian bracket. Refraction powers and positions of each groups are numerically determined by solving the equations, and initial design data for each groups is obtained by using Seidel third order aberration theory. The optimization technique is finally utilized to obtain this microscopic system.
Keywords
lens design; equivalent lens; imaging system; microscopic system; multi-configurative system;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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