전형욱 손정영 이임걸 엄용식 2024-01-21T23:16:41Z 2024-01-21T23:16:41Z 2022-01-10 1992-01 https://pubs.kist.re.kr/handle/201004/146555 A new observation on optical phase conjugation using barium titanate: Dark hole effect. Article 3 Nonlinear optics: Materials, fundamentals, and applications 2nd topical meeting, pp.94 - 96 Nonlinear optics: Materials, fundamentals, and applications 2nd topical meeting 94 96 광굴절성 결정 위상공액파 비선형 광학