KR20060120165A - 주파수 영역 간섭법을 이용하여 광 영상화를 수행하는 방법및 장치 - Google Patents
주파수 영역 간섭법을 이용하여 광 영상화를 수행하는 방법및 장치 Download PDFInfo
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- KR20060120165A KR20060120165A KR1020067010382A KR20067010382A KR20060120165A KR 20060120165 A KR20060120165 A KR 20060120165A KR 1020067010382 A KR1020067010382 A KR 1020067010382A KR 20067010382 A KR20067010382 A KR 20067010382A KR 20060120165 A KR20060120165 A KR 20060120165A
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Abstract
Description
Claims (93)
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하며 또한 비 반사 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 제공되는 방사 주파수는 시간에 따라 변하도록 되어있는 적어도 하나의 제1 장치; 및상기 적어도 하나의 제1 방사와 관련된 적어도 하나의 제3 방사와 상기 적어도 하나의 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 간섭을 검출하는 적어도 하나의 제2 장치를 구비하는 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 적어도 하나의 제3 방사는 상기 샘플로부터 복귀된 방사이며, 또한 상기 적어도 하나의 제4 방사는 상기 기준물로부터 복귀된 방사인 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 적어도 하나의 제1 전자기 방사, 상기 적어도 하나의 제2 전자기 방사, 상기 적어도 하나의 제3 전자기 방사 및 상기 적어도 하나의 제3 전자기 방사중 적어도 하나의 주파수들을 편이시키기 위한 적어도 하나의 제3 장치를 추가로 포함하는 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 검출된 간섭에 의거하여 영상을 생성하는 적어도 하나의 제3 장치를 추가로 포함하는 것을 특징으로 하는 장치
- 제4항에 있어서,스캐닝 데이터를 생성하기 위해 상기 샘플의 횡단 위치를 스캔하는 한편 상기 영상을 생성하기 위해 상기 제3 장치에 스캐닝 데이터를 제공하는 프로브(probe)를 추가로 구비하는 것을 특징으로 하는 장치.
- 제5항에 있어서,상기 스캐닝 데이터는 상기 샘플위의 다수의 횡단 위치들에서 획득된 감지 간섭을 포함하는 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 광검출기(photodetector)와 상기 적어도 하나의 광검출기에 따르는 적어도 하나의 전기 필터를 구비하는 것을 특징으로 하는 장치.
- 제3항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 광검출기와 상기 적어도 하나 의 광검출기에 따르는 적어도 하나의 전기 필터를 구비하는 것을 특징으로 하는 장치.
- 제8항에 있어서,상기 적어도 하나의 전기 필터는 상기 주파수 편이 장치에 의한 주파수 편이의 크기와 대략 같은 중심 주파수를 갖는 대역통과 필터인 것을 특징으로 하는 장치.
- 제9항에 있어서,상기 전기 필터의 전송 프로파일은 실질적으로 그 통과 대역에 걸쳐 변화하는 것을 특징으로 하는 장치.
- 제5항에 있어서,상기 프로브는 회전 접합부 및 광섬유 카테터(catheter)를 포함하는 것을 특징으로 하는 장치.
- 제11항에 있어서,상기 카테터는 초당 30회전 이상의 속도에서 회전되는 것을 특징으로 하는 장치.
- 제1항에 있어서,적어도 하나의 편광 변조기를 추가로 구비하는 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 적어도 하나의 제2 장치는 상기 제1 및 제2 전자기 방사 중 적어도 하나의 편광 상태를 검출할 수 있는 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 이중 평형 수신기를 구비하는 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 편광 다이버스(diverse) 수신기를 구비하는 것을 특징으로 하는 장치.
- 제1항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 적어도 하나의 편광 다이버스 및 이중 평형 수신기를 구비하는 것을 특징으로 하는 장치.
- 제1항에 있어서,적어도 하나의 제1 전자기 방사와 적어도 하나의 제2 전자기 방사, 그리고적어도 하나의 제3 전자기 방사와 적어도 하나의 제4 전자기 방사 중에서적어도 하나들 사이의 위상 차를 추적하는 적어도 하나의 제3 장치를 추가로 구비하는 것을 특징으로 하는 장치.
- 제1항에 있어서,적어도 하나는 그 중심 주파수가 밀리 초당 100 테라 헤르츠 이상의 조정 속도에서 시간에 따라 사실상 연속적으로 변화하는 스펙트럼을 갖는 제1 및 제2 전자기 방사를 방출하도록 구성된 장치를 추가로 구비하는 것을 특징으로 하는 장치.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하며 또한 비 반사 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 상기 제1 방사 및 제2 방사중 적어도 하나의 주파수는 시간에 따라 변하도록 되어 있는 단계; 및상기 적어도 하나의 제1 방사와 관련된 적어도 하나의 제3 방사와 상기 적어도 하나의 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 간섭을 검출하는 단계를 포함하는 것을 특징으로 하는 방법.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하며 또한 기준물에 적어도 하나의 제2 전자기 방사를 제공하는 적어도 하나의 제1 장치를 구비하되, 상기 제1 및 제2의 전자기 방사중 적어도 하나는 시간에 따라 변화하는 스펙트럼을 가지는 한편 이 스펙트럼은 특정 시간에 다수의 주파수들을 포함하는 제1 장치; 및상기 적어도 하나의 제1 전자기 방사와 관련된 적어도 하나의 제3 방사와 상기 적어도 하나의 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 간섭을 검출하는 적어도 하나의 제2 장치를 구비하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제3 방사는 상기 샘플로부터 복귀된 방사이며, 또한 상기 적어도 하나의 제4 방사는 상기 기준물로부터 복귀된 방사인 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제1 전자기 방사, 상기 적어도 하나의 제2 전자기 방사, 상기 적어도 하나의 제3 전자기 방사 및 상기 적어도 하나의 제4 전자기 방사중 적어도 하나의 주파수들을 편이시키기 위한 적어도 하나의 제3 장치를 추가로 포함하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 검출된 간섭에 의거하여 영상을 생성하는 적어도 하나의 제3 장치를 추가로 포함하는 것을 특징으로 하는 장치
- 제24항에 있어서,스캐닝 데이터를 생성하기 위해 상기 샘플의 횡단 위치를 스캔하는 한편 상기 영상을 생성하기 위해 상기 제3 장치에 스캐닝 데이터를 제공하는 프로브(probe)를 추가로 구비하는 것을 특징으로 하는 장치.
- 제25항에 있어서,상기 스캐닝 데이터는 상기 샘플위의 다수의 횡단 위치들에서 획득된 감지 간섭을 포함하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 기준물은 비 반사 물인 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 스펙트럼의 중앙값은 시간에 따라 사실상 선형적으로 변화하는 것을 특징으로 하는 장치.
- 제28항에 있어서,상기 스펙트럼 중앙값의 변화율은 적어도 1000nm/msec인 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 스펙트럼은 적어도 10kHz의 반복율로 반복적으로 시간에 따라 변화하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제1 장치는 시간에 따라 상기 스펙트럼을 변화시키기 위한 스펙트럼 필터를 구비하는 것을 특징으로 하는 장치.
- 제31항에 있어서,상기 스펙트럼 필터는 다면(polygonal) 스캐너, 및 시간에 따라 상기 스펙트럼을 변화시키는 스펙트럼 분리 장치를 구비하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제1 장치는 전자기 방사의 생성 및 증폭중 적어도 하나를 수행하는 반도체 이득 매체를 포함하는 것을 특징으로 하는 장치.
- 제23항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 광검출기와 상기 적어도 하나의 광검출기에 따르는 적어도 하나의 전기 필터를 구비하는 것을 특징으로 하는 장치.
- 제34항에 있어서,상기 적어도 하나의 전기 필터는 상기 주파수 편이 장치에 의한 주파수 편이의 크기와 대략 같은 중심 주파수를 갖는 대역통과 필터인 것을 특징으로 하는 장치.
- 제35항에 있어서,상기 전기 필터의 전송 프로파일은 실질적으로 그 통과 대역에 걸쳐 변화하는 것을 특징으로 하는 장치.
- 제25항에 있어서,상기 프로브는 회전 접합부 및 광섬유 카테터를 포함하는 것을 특징으로 하는 장치.
- 제37항에 있어서,상기 카테터는 초당 30회전 이상의 속도에서 회전되는 것을 특징으로 하는 장치.
- 제21항에 있어서,적어도 하나의 편광 변조기를 추가로 구비하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제2 장치는 상기 제1 및 제2 전자기 방사 중 적어도 하나의 편광 상태를 검출할 수 있는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 이중 평형 수신기를 구비하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 편광 다이버스 수신기를 구비하는 것을 특징으로 하는 장치.
- 제21항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 적어도 하나의 편광 다이버스 및 이중 평형 수신기를 구비하는 것을 특징으로 하는 장치.
- 제21항에 있어서,적어도 하나의 제1 전자기 방사와 적어도 하나의 제2 전자기 방사 사이, 및/또는적어도 하나의 제3 전자기 방사와 적어도 하나의 제4 전자기 방사 사이의 위상 차를 추적하는 적어도 하나의 제3 장치를 추가로 구비하는 것을 특징으로 하는 장치.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하는 한편 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 상기 제1 및 제2의 전자기 방사중 적어도 하나는 시간에 따라 변화하는 스펙트럼을 가지는 한편 이 스펙트럼은 특정 시간에 다수의 주파수들을 포함하도록 되어 있는 단계; 및상기 적어도 하나의 제1 전자기 방사와 관련된 적어도 하나의 제3 방사와 상기 적어도 하나의 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 간섭을 검출하는 단계를 포함하는 것을 특징으로 하는 방법.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하는 한편 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 제공된 방사 주파수는 시간에 따라 변화하도록 되어 있는 적어도 하나의 제1 장치;제1 편광 상태에서 상기 적어도 하나의 제1 전자기 방사와 관련된 적어도 하나의 제3 방사와 상기 적어도 하나의 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 제1 간섭 신호를 검출하는 적어도 하나의 제2 장치; 및제2 편광 상태에서 제3 및 제4 전자기 방사들 사이의 제2 간섭 신호를 검출하는 적어도 하나의 제3 장치를 구비하며, 또한 상기 제1 및 제2 편광 상태들은 서 로 다른 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 제3 방사는 상기 샘플로부터 복귀된 방사이며, 또한 상기 적어도 하나의 제4 방사는 상기 기준물로부터 복귀된 방사인 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 제1 전자기 방사, 상기 적어도 하나의 제2 전자기 방사, 상기 적어도 하나의 제3 전자기 방사 및 상기 적어도 하나의 제4 전자기 방사중 적어도 하나의 주파수를 편이시키도록 구성된 적어도 하나의 제4 장치를 추가로 포함하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 검출된 간섭에 의거하여 영상을 생성하는 적어도 하나의 제4 장치를 추가로 포함하는 것을 특징으로 하는 장치
- 제49항에 있어서,스캐닝 데이터를 생성하기 위해 상기 샘플의 횡단 위치를 스캔하며 또한 상기 영상을 생성하기 위해 상기 제4 장치에 스캐닝 데이터를 제공하는 프로브를 추 가로 구비하는 것을 특징으로 하는 장치.
- 제50항에 있어서,상기 스캐닝 데이터는 상기 샘플위의 다수의 횡단 위치들에서 획득된 검출 간섭을 포함하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 기준물은 비 반사 물인 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 스펙트럼의 중앙값은 시간에 따라 사실상 선형적으로 변화하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 장치는 시간에 따라 스펙트럼을 변화시키는 스펙트럼 필터를 구비하는 것을 특징으로 하는 장치.
- 제54항에 있어서,상기 스펙트럼 필터는 다면 스캐너, 및 시간에 따라 상기 스펙트럼을 변화시키는 스펙트럼 분리 장치를 구비하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 제1 장치는 전자기 방사의 생성 및 증폭중 적어도 하나를 수행하는 반도체 이득 매체를 포함하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 검출된 간섭에 의거하여 영상을 생성하는 적어도 하나의 제4 장치를 추가로 구비하며, 또한 상기 제1 및 제2 편광 상태들은 대략 서로 직교하는 것을 특징으로 하는 장치.
- 제48항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 광검출기와 상기 적어도 하나의 광검출기에 따르는 적어도 하나의 전기 필터를 구비하는 것을 특징으로 하는 장치.
- 제58항에 있어서,상기 적어도 하나의 전기 필터는 상기 주파수 편이 장치에 의한 주파수 편이의 크기와 대략 같은 중심 주파수를 갖는 대역통과 필터인 것을 특징으로 하는 장치.
- 제59항에 있어서,상기 전기 필터의 전송 프로파일은 실질적으로 그 통과 대역에 걸쳐 변화하는 것을 특징으로 하는 장치.
- 제50항에 있어서,상기 프로브는 회전 접합부 및 광섬유 카테터를 포함하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 카테터는 초당 30회전 이상의 속도에서 회전되는 것을 특징으로 하는 장치.
- 제46항에 있어서,적어도 하나의 편광 변조기를 추가로 구비하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 제2 장치는 상기 제1 및 제2 전자기 방사 중 적어도 하나의 편광 상태를 검출할 수 있는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 이중 평형 수신기를 구비하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 편광 다이버스 수신기를 구비하는 것을 특징으로 하는 장치.
- 제46항에 있어서,상기 적어도 하나의 제2 장치는 적어도 하나의 적어도 하나의 편광 다이버스 및 이중 평형 수신기를 구비하는 것을 특징으로 하는 장치.
- 제46항에 있어서,적어도 하나의 제1 전자기 방사와 적어도 하나의 제2 전자기 방사 사이, 및/또는적어도 하나의 제3 전자기 방사와 적어도 하나의 제4 전자기 방사 사이의 위상 차를 추적하는 적어도 하나의 제3 장치를 추가로 구비하는 것을 특징으로 하는 장치.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하는 한편 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 상기 제1 방사와 제2 방사중 적어도 하 나의 주파수는 시간에 따라 변화하도록 되어 있는 단계;제1 편광 상태에서 상기 적어도 하나의 제1 전자기 방사와 관련된 제3 방사와 상기 적어도 하나의 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 제1 간섭 신호를 검출하는 단계; 및제2 편광 상태에서 제3 및 제4 전자기 방사들 사이의 제2 간섭 신호를 검출하는 단계를 포함하며, 또한 상기 제1 및 제2 편광 상태들은 서로 다른 것을 특징으로 하는 방법.
- 제69항에 있어서,상기 적어도 하나의 제3 방사는 상기 샘플로부터 복귀된 방사이며, 또한 상기 적어도 하나의 제4 방사는 상기 기준물로부터 복귀된 방사인 것을 특징으로 하는 방법.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하는 한편 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 상기 제1 방사와 제2 방사중 적어도 하나는 밀리 초당 100 테라 헤르츠 이상의 조정 속도에서 시간에 따라 사실상 연속적으로 변화하는 중심 주파수 스펙트럼을 가지도록 되어있는 적어도 하나의 제1 장치; 및상기 적어도 하나의 방사와 관련된 적어도 하나의 제3 방사와 상기 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 간섭을 검출하는 적어도 하나의 제2 장 치를 구비하는 것을 특징으로 하는 장치.
- 제71항에 있어서,상기 중심 주파수는 5 킬로 헤르츠 이상의 반복율로 반복적으로 변화하는 것을 특징으로 하는 장치.
- 제71항에 있어서,상기 중심 주파수는 10 테라 헤르츠 이상의 범위에 걸쳐 변화하는 것을 특징으로 하는 장치.
- 제71항에 있어서,상기 스펙트럼은 100 기가 헤르츠 이하의 순시 선폭(line width)을 갖는 것을 특징으로 하는 장치.
- 제71항에 있어서,5m 이하의 왕복(roundtrip) 길이를 갖는 레이저 캐비티를 추가로 구비하는 것을 특징으로 하는 장치.
- 제73항에 있어서,상기 스펙트럼의 조정 범위의 중심은 1300nm에 공칭적으로 존재하는 것을 특 징으로 하는 장치.
- 제73항에 있어서,상기 스펙트럼의 조정 범위의 중심은 850nm에 공칭적으로 존재하는 것을 특징으로 하는 장치.
- 제73항에 있어서,상기 스펙트럼의 조정 범위의 중심은 1700nm에 공칭적으로 존재하는 것을 특징으로 하는 장치.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하는 한편 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 상기 제1 방사와 제2 방사중 적어도 하나는 밀리 초당 100 테라 헤르츠 이상의 조정 속도에서 시간에 따라 사실상 연속적으로 변화하는 중심 주파수 스펙트럼을 가지도록 되어있는 단계; 및상기 적어도 하나의 방사와 관련된 적어도 하나의 제3 방사와 상기 제2 방사와 관련된 적어도 하나의 제4 방사 사이의 간섭을 검출하는 단계를 포함하는 것을 특징으로 하는 방법.
- 하나의 샘플에 적어도 하나의 제1 전자기 방사를 제공하고, 기준물에 적어도 하나의 제2 전자기 방사를 제공하되, 제공된 방사 주파수는 시간에 따라 변화하도 록 되어있는 적어도 하나의 제1 장치;상기 적어도 하나의 제1 전자기 방사와 상기 적어도 하나의 제2 전자기 방사의 주파수를 편이시키기 위한 적어도 하나의 제2 장치;간섭 신호를 생성하기 위해 제1 전자기 방사와 제2 전자기 방사를 간섭하게 하는 간섭계; 및상기 제1 전자기 방사와 상기 제2 전자기 방사 사이의 간섭을 검출하기 위한 적어도 하나의 제2 장치를 구비하는 것을 특징으로 하는 장치.
- 조직의 구조 및 조성중 적어도 하나와 관련된 특정 데이터를 판정하는 시스템으로서,소정의 기술을 수행할 때,a) 하나의 샘플로부터 입수한 적어도 하나의 전자기 방사와 기준물로부터 입수한 적어도 하나의 제2 전자기 방사로 된 간섭 신호와 관련된 정보를 수신하되, 상기 제1 전자기 방사와 상기 제2 전자기 방사중 적어도 하나는 주파수 편이되게 하고,b) 제1 형식으로 샘플화된 데이터를 생성하기 위해 상기 정보를 샘플화하며,또한c) 상기 샘플화된 데이터를 제2 형식의 특정 데이터로 변환하되, 상기 제1 및 제2 형식은 서로 다르게 하도록 되어있는 처리 장치를 포함하는 것을 특징으로 하는 시스템
- 제81항에 있어서,상기 제2 형식은 사실상 동일한 전자기 주파수 차이를 나타내는 적어도 2개의 샘플링 간격들을 갖는 것을 특징으로 하는 시스템.
- 제82항에 있어서,상기 샘플링 간격들의 각각은 사실상 동일한 전자기 주파수 차이들을 나타내는 것을 특징으로 하는 시스템.
- 제81항에 있어서,상기 절차(c)는 상기 샘플화된 데이터를 보간하는 단계를 포함하는 것을 특징으로 하는 시스템.
- 제84항에 있어서,상기 제1 전자기 방사와 상기 제2 전자기 방사중 적어도 하나는 특정 주파수만큼 주파수 편이되며, 또한 상기 보간은 상기 샘플화된 데이터의 주파수 영역 배열로의 푸리에 변환(Fourier transforming) 및 상기 특정 주파수에 의거한 상기 배열의 적어도 2개의 주파수 대역들로의 분리를 포함하는 것을 특징으로 하는 시스템.
- 제85항에 있어서,상기 보간은 상기 샘플화된 데이터의 주파수 영역 배열로의 변환, 이 배열의 크기의 증가, 그리고 상기 배열의 증가 부분의 각 요소에의 소정의 값의 삽입을 포함하는 것을 특징으로 하는 시스템.
- 제81항에 있어서,상기 처리 장치는 또한 상기 특정 데이터에 의거하여 상기 조직의 적어도 일 부분에 대한 영상을 생성하도록 구성되는 것을 특징으로 하는 시스템.
- 제87항에 있어서,상기 영상은 특정 해상도를 가지고, 상기 샘플화된 데이터와 관련된 전자기 주파수들의 스펙트럼은 상기 특정 해상도와 관련되며, 또한 상기 특정 해상도는 사실상 상기 전자기 주파수들의 스펙트럼의 푸리에 변환 한계에 근접하는 것을 특징으로 하는 시스템.
- 제85항에 있어서,상기 제2 형식은 사실상 동일한 전자기 주파수 차이를 나타내는 적어도 2개의 샘플링 간격들을 포함하며, 또한 상기 특정 주파수의 크기는 대략 상기 샘플링 간격들 중 적어도 하나의 역수의 4분의 1 이상인 것을 특징으로 하는 시스템.
- 제87항에 있어서,상기 제2 형식은 영상 형식이며, 또한 상기 영상은 상기 변환 샘플화된 데이터에 기반하는 것을 특징으로 하는 시스템.
- 제84항에 있어서,상기 제2 형식은 대략 일정한 k-공간에서의 간격들을 포함하는 형식인 것을 특징으로 하는 시스템.
- 조직의 구조 및 조성중 적어도 하나와 관련된 특정 데이터를 판정하는 방법으로서,하나의 샘플로부터 입수한 적어도 하나의 전자기 방사와 기준물로부터 입수한 적어도 하나의 제2 전자기 방사로 된 간섭 신호와 관련된 정보를 수신하되, 상기 제1 전자기 방사와 상기 제2 전자기 방사중 적어도 하나는 주파수 편이되도록 되어있는 단계;제1 형식으로 샘플화된 데이터를 생성하기 위해 상기 정보를 샘플화하는 단계; 및상기 샘플화된 데이터를 제2 형식의 특정 데이터로 변환하는 단계를 포함하며, 또한 상기 제1 및 제2 형식은 서로 다른 것을 특징으로 하는 방법.
- 조직의 구조 및 조성중 적어도 하나와 관련된 특정 데이터를 판정하는 저장 매체로서, 상기 저장 매체는,처리 장치에 의해 수행될 때,하나의 샘플로부터 입수한 적어도 하나의 전자기 방사와 기준물로부터 입수한 적어도 하나의 제2 전자기 방사로 된 간섭 신호와 관련된 정보를 수신하되, 상기 제1 전자기 방사와 상기 제2 전자기 방사중 적어도 하나는 주파수 편이되게 하고;제1 형식으로 샘플화된 데이터를 생성하기 위해 상기 정보를 샘플화하며; 또한상기 샘플화된 데이터를 제2 형식의 특정 데이터로 변환하되, 상기 제1 및 제2 형식은 서로 다르게 하는 명령들을 수행하도록 구성된 프로그램을 저장하는 것을 특징으로 하는 저장 매체.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51476903P | 2003-10-27 | 2003-10-27 | |
| US60/514,769 | 2003-10-27 | ||
| PCT/US2004/029148 WO2005047813A1 (en) | 2003-10-27 | 2004-09-08 | Method and apparatus for performing optical imaging using frequency-domain interferometry |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020137003757A Division KR101384553B1 (ko) | 2003-10-27 | 2004-09-08 | 주파수 영역 간섭법을 이용하여 광 영상화를 수행하는 방법 및 장치 |
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