KR102646790B1 - 레이저 공진기 및 레이저 공진기 어레이 - Google Patents
레이저 공진기 및 레이저 공진기 어레이 Download PDFInfo
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Abstract
Description
도 2는 도 1에 도시된 레이저 공진기의 평면도이다.
도 3은 도 2의 A-A'선을 따라 본 단면도이다.
도 4는 도 1에 도시된 레이저 공진기의 금속체를 도시한 것이다.
도 5는 도 1에 도시된 레이저 공진기의 이득 매질층을 도시한 것이다.
도 6a 및 도 6b는 도 1에 도시된 레이저 공진기의 이득 매질층 내부에서 발생되는 레이저광의 전기장의 세기 분포를 xy 평면에서 본 모습을 도시한 시뮬레이션 결과이다.
도 7a 및 도 7b는 도 1에 도시된 레이저 공진기의 이득 매질층 내부에서 발생되는 레이저광의 전기장의 세기 분포를 xz 평면에서 본 모습을 도시한 시뮬레이션 결과이다.
도 8은 다른 예시적인 실시예에 따른 레이저 공진기를 도시한 단면도이다.
도 9는 또 다른 예시적인 실시예에 따른 레이저 공진기를 도시한 단면도이다.
도 10은 도 9에 도시된 레이저 공진기의 이득 매질층 내부에서 발생되는 레이저광의 전기장의 세기 분포를 xz 평면에서 본 모습을 도시한 시뮬레이션 결과이다.
도 11은 또 다른 예시적인 실시예에 따른 레이저 공진기를 도시한 사시도이다.
도 12는 도 11에 도시된 레이저 공진기의 이득 매질층 및 흡수체를 도시한 사시도이다.
도 13은 도 11에 도시된 레이저 공진기의 이득 매질층을 도시한 사시도이다.
도 14는 예시적인 실시예에 따른 레이저 공진기 어레이를 도시한 평면도이다.
도 15는 도 14의 B-B'선을 따라 본 단면도이다.
도 16은 다른 예시적인 실시예에 따른 레이저 공진기 어레이를 도시한 평면도이다.
110,210,310,410,510.. 금속체
110a.. 트렌치
120,220,320.. 이득 매질층
150.. 유전체층
321.. 베이스부
322. 돌출부
330,530.. 흡수체
421,521.. 제1 이득 매질층
422,522.. 제2 이득 매질층
423,523.. 제3 이득 매질층
424,524.. 제4 이득 매질층
531.. 제1 흡수체
532.. 제2 흡수체
533.. 제3 흡수체
534.. 제4 흡수체
Claims (18)
- 외부로부터 에너지를 흡수하여 레이저 광을 발생시키는 레이저 공진기에 있어서,
금속체(metal body);
반도체 물질을 포함하고, 상기 금속체에 마련되어 플라즈모닉 효과(plasmonic effect)에 의해 상기 레이저 광을 발생시키는 환형 구조의(ring-shaped) 이득 매질층(gain medium layer); 및
상기 이득 매질층에 마련된 적어도 하나의 흡수체;를 포함하는 레이저 공진기. - 제 1 항에 있어서,
상기 금속체에는 상기 이득 매질층이 마련되는 트렌치(trench)가 형성되어 있는 레이저 공진기. - 제 1 항에 있어서,
상기 이득 매질층의 외반경(out-radius)과 내반경(in-radius)의 차이로 정의되는 상기 이득 매질층의 폭은 50nm 이상인 레이저 공진기. - 제 1 항에 있어서,
상기 이득 매질층의 단면 형상을 조절함으로써 특정 모드(mode)의 레이저 광을 선택하거나 분리하는 레이저 공진기. - 제 1 항에 있어서,
상기 금속체와 상기 이득 매질층 사이에는 유전체층이 더 마련되는 레이저 공진기. - 삭제
- 제 1 항에 있어서,
상기 이득 매질층은 베이스부와 상기 베이스부의 상부에 돌출되게 마련되는 적어도 하나의 돌출부를 포함하는 레이저 공진기. - 제 7 항에 있어서,
상기 적어도 하나의 흡수체는 상기 적어도 하나의 돌출부 사이에 마련되는 레이저 공진기. - 제 7 항에 있어서,
상기 적어도 하나의 흡수체는 금속 물질을 포함하는 레이저 공진기. - 제 7 항에 있어서,
상기 적어도 하나의 흡수체의 개수 및 위치 중 적어도 하나를 조절함으로써 특정 모드의 레이저 광을 선택하거나 분리하는 레이저 공진기. - 외부로부터 에너지를 흡수하여 레이저 광들을 발생시키는 레이저 공진기 어레이에 있어서,
금속체;
반도체 물질을 포함하고, 상기 금속체에 마련되어 플라즈모닉 효과에 의해 서로 다른 파장의 상기 레이저 광들을 발생시키는 환형 구조의 이득 매질층들; 및
상기 이득 매질층들 각각에는 적어도 하나의 흡수체;를 포함하는 레이저 공진기 어레이. - 제 11 항에 있어서,
상기 금속체에는 상기 이득 매질층들이 마련되는 트렌치들이 형성되어 있는 레이저 공진기 어레이. - 제 11 항에 있어서,
상기 이득 매질층의 외반경과 내반경의 차이로 정의되는 상기 이득 매질층 의 폭은 50nm 이상인 레이저 공진기 어레이 - 제 11 항에 있어서,
상기 이득 매질층의 단면 형상을 조절함으로써 특정 모드의 레이저 광을 선택하거나 분리하는 레이저 공진기 어레이. - 제 11 항에 있어서,
상기 금속체와 상기 이득 매질층들 사이에는 유전체층이 더 마련되는 레이저 공진기 어레이. - 삭제
- 제 11 항에 있어서,
상기 이득 매질층 각각은 베이스부와 상기 베이스부의 상부에 돌출되게 마련되는 적어도 하나의 돌출부를 포함하고, 상기 적어도 하나의 흡수체는 상기 적어도 하나의 돌출부 사이에 마련되는 레이저 공진기 어레이. - 제 17 항에 있어서,
상기 적어도 하나의 흡수체의 개수 및 위치 중 적어도 하나를 조절함으로써 특정 모드의 레이저 광을 선택하거나 분리하는 레이저 공진기 어레이.
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