Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Study on Digital Holography with Self-Reference Hologram

자체 홀로그램을 기준홀로그램으로 이용한 디지털 홀로그래피 연구

  • Received : 2011.09.01
  • Accepted : 2011.10.17
  • Published : 2011.10.25
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Abstract

In this paper we have applied self-reference hologram to DHM (digital holography microscopy) to remove phase aberration. We have constructed an off-axis reflection- type digital holography microscope. We have extracted a low spatial frequency hologram from the conjugated hologram and used it as a reference hologram. Experimentally we show that distortion of image and aberration of phase in a measurement system are removed using the self-reference hologram.

디지털 홀로그래피에서 자체 홀로그램을 기준 홀로그램으로 이용하여 왜곡이 제거된 3차원 영상을 얻는 방법에 대하여 연구하였다. 본 연구에서는 반사형 off-axis 홀로그래피 현미경을 구성하여 복수 공액 홀로그램을 얻었고, 복수공액 홀로그램 중 공간 주파수가 작은 부분을 추출하여 기준 홀로그램으로 사용하여 3차원 재생을 하였다. 그리고 이 기준 홀로그램을 이용하여 기울어 짐 왜곡현상을 제거하였다.

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References

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