한국광학회지 (Korean Journal of Optics and Photonics)

  • 제12권5호
  • /
  • Pages.376-381
  • /
  • 2001
  • /
  • 1225-6285(pISSN)
  • /
  • 2287-321X(eISSN)
한국광학회 (Optical Society of Korea)
권호 표지

분광복사휘도 측정용 광검출기의 특성 평가

Characteristics of Photodetectors for spectral radiance measurements

  • 서정철 (한국표준과학연구원 정보통신표준센터) ;
  • 박승남 (한국표준과학연구원 광기술표준부) ;
  • 김봉학 (한국표준과학연구원 광기술표준부)
  • 발행 : 2001.10.01
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초록

광원의 분광복사휘도를 측정하기 위한 실험 장치를 구성하였으며, PMT, Si, InGaAs a c IR enhanced InGaAs 광검출기의 특성을 평가하였다. 구성된 분광복사휘도 측정 장치의 파장 영역은 250~2500nm이며, 1.0 $\mu$A 이하의 신호에서 비선형 감응도가 0.1% 이하로 선형성이 우수하므로 분광복사휘도의 국가 표준 장치로 사용될 수 있음을 알 숭 있었다.

We have fabricated a spectroadiometric system to measure spectral radiance of optical sources and evaluated its characteristics such as spectral responsivity, nonlinearity, and so on. The measurement system with PMT, Si, InGaAs, and IR-enhanced InGaAs detectors has shown a good linearity and a wide spectral responsivity of 250∼2500 nm. This spectroradiometric system will be used as the primary national standard system of spectral radiance measurements.

키워드

참고문헌

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