지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.12
- 수록면
- 679 - 686 (8page)
이용수
초록· 키워드
오류제보하기
This paper presents a design method for improving the low relative illumination and large distortiondue to widening the field of a system. A tele-centric optical system in image space was suggested toincrease the relative illumination. Through the analyses of the third-order aberrations affected byintroducing aspherical surfaces, we have proposed a method to determine analytically what surface shouldbe aspheric to correct each aberration effectively. By utilizing this method to design a wide field lens,a tele-centric wide field lens with f-number of F/2.0 was obtained. Even though the field angle is 120degrees, it has a very low distortion less than -2% and high relative illumination more than 73.7%. Inconclusion, this analytic method for selecting aspherical surfaces is expected to serve as a useful wayto find design solutions
목차
등록된 정보가 없습니다.
참고문헌 (13)
참고문헌 신청
임천석 / 2012 / 어안렌즈 시야각의 광각화에 따른 조도저하의 원인과 개선방안에 관한 연구 / 한국광학회지 23(5):179~188
M. W. Kang / 2014 / Fixed focus lens system / U. S. Patent 8917460
K. Ono / 2014 / Wide-angle lens, and imaging device / W. O. Patent 2014087602
I. Abe / 2011 / Wide-angle lens and imaging apparatus using the same / U. S. Patent 0169912
M. P. Rimmer / 1986 / Relative illumination calculations / Proc. SPIE 0655:99~104
M. W. Kang / 2014 / Fixed focus lens system / U. S. Patent 8917460
K. Ono / 2014 / Wide-angle lens, and imaging device / W. O. Patent 2014087602
I. Abe / 2011 / Wide-angle lens and imaging apparatus using the same / U. S. Patent 0169912
M. P. Rimmer / 1986 / Relative illumination calculations / Proc. SPIE 0655:99~104
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