Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Design and Analysis of Infrared Diffractive Optical Systems Using Beam Synthesis Propagation

회절광학을 이용한 적외선 광학계 설계 및 BSP를 이용한 성능 평가, 분석

  • Received : 2013.04.18
  • Accepted : 2013.07.22
  • Published : 2013.08.25
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Abstract

An F/1.2 infrared optical system that involves two aspheric BD-2 lenses and an aspheric diffractive surface was designed over $8-14{\mu}m$ with a field angle of $15.2^{\circ}$. The system may be used in uncooled cameras and is analyzed using beam synthesis propagation (BSP). The diffractive surface is modeled as a physical surface with a given thickness, and results are compared with those obtained by conventional methods, such as the exit-pupil method and a method which superposes diffraction orders.

본 논문에서는 두 매의 BD-2 렌즈와 비구면 회절 광학을 포함하는 F/1.2, 시야각 $15.2^{\circ}$와 $8-14{\mu}m$의 원적외선 파장대역을 가지는 광학계를 설계하였다. 이 광학계는 uncooled camera에 사용될 수 있으며, 광학계의 분석은 BSP로 진행되었다. 회절광학은 주어진 두께를 가지는 물리적인 면으로 취급하였으며, 분석결과를 출사동공법과 같은 기존 방법들에 의한 것과 회절차수 합성법에 의한 것과 비교하였다.

Keywords

References

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