디지털 홀로그래피가 아날로그 홀로그래피와 비슷한 품질을 나타내기 위해서는 1µm 의 픽셀피치를 가지고 있는 대면적 SLM 개발이 필수적이다. 이러한 대면적 초고해상도 SLM을 구현하기 위해서는 최근 미세 픽셀 기술이 급격히 발전하고 있는 대면적 지향의 평판디스플레이 기술을 기반으로 개발되어야 할 것으로 생각된다. 디스플레이 기술을 기반으로 스티칭 기술 등의 포토리소그래피 기술과 수직채널 TFT등의 구동 소자 기술, 고굴절율 이방성을 가지는 액정 소재 기술, 모듈 기반의 구동 기술 등을 집약하여 1µm급의 픽셀 피치를 가지는 대면적 초고해상도 SLM을 개발 중이다. 이렇게 개발된 초고해상도 대면적 SLM은 홀로그램 영상 재현 이외에도 다양한 광학 소자로 응용이 기대된다.
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