방송과미디어 (Broadcasting and Media Magazine)

한국방송∙미디어공학회 (The Korean Institute of Broadcast and Media Engineers)
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자가간섭 디지털 홀로그래피 기술

  • 발행 : 2019.04.30
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⟨ 이전 논문 다음 논문 ⟩

초록

자가간섭 디지털 홀로그래피는 기존의 홀로그래피 기술과 달리 비간섭 광원을 이용해 홀로그램을 취득할 수 있는 기술이다. 자가간섭계는 입사한 파면을 분리하고 변조시킨 뒤 다시 상호 간섭이 가능하게 합쳐주는 장치를 필요로 한다. 지금까지 발표된 관련 연구들은 모두 파면의 분리 방식, 즉 공간적 분리와 편광 상태에 따른 분리 방식으로 나눌 수 있다. 시스템의 원리와 대표적인 두 가지 시스템을 소개하고, 이어서 필자의 연구실에서 제안한 기하학적 위상을 이용한 자가간섭 디지털 홀로그래피 기술을 다룬다.

키워드

참고문헌

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