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Fluctuating sources and second-order radiometry

Флуктуирующие источники и радиометрия второго порядка

  • Published:
Il Nuovo Cimento B (1971-1996)

Summary

Fluctuations and correlations in radiometry are investigated for fields from planar sources of any statistical state. Angular-intensity fluctuation and angular-intensity autocorrelation are studied together with the related reciprocity between the field in the source plane and in the far zone. The new concepts of second-order radiance, second-order emittance and fluctuation efficiency are discussed for different types of model sources. Fluctuation efficiency and radiation efficiency are compared in the case of chaotic sources with Gaussian correlation and fluctuation profile.

Riassunto

Si studiano le fluttuazioni e le correlazioni in radiometria per campi da sorgenti planari di qualsiasi stato statistico. Si studiano la fluttuazione e l'autocorrelazione dell'intensità angolare insieme con la correlata reciprocità tra il campo nel piano della sorgente e nella zona lontana. I nuovi concetti di radianza di second'ordine, emittanza di second'ordine ed efficienza di fluttuazione sono discussi per tipi diversi di sorgenti modello. Si confrontano l'efficienza di fluttuazione e di radiazione nel caso di sorgenti caotiche con correlazione e profilo di fluttuazione gaussiani.

Резюме

Исследуются флуктуации и корреляции в радиометрии для полей из планарных источников для произвольного статистического состояния. Изучаются флуктуация угловой интенсивности и автокорреляция угловой интенсивности совместно со связанной взаимностью между полем в плоскости источника и в дальней зоне. Для различных типов модельных источников обсуждаются новые концепции энергетической яркости второго порядка, лучеиспускательной способности второго порядка и эффективности флуктуаций. Эффективность флуктуаций и эффективность излучения сравниваются со случаем хаотических источников с гауссовой корреляцией и гауссовым профилем флуктуаций.

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Author information

Authors and Affiliations

  1. Zentrale Forschung und Entwicklung, Landis und Gyr Zug AG, CH-6301, Zug, Switzerland

    H. P. Baltes & B. Steinle

Authors
  1. H. P. Baltes
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  2. B. Steinle
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Additional information

Preliminary results of this investigation were presented at the1977 Annual Meeting of the Optical Society of America, held in Toronto, Ont., Canada, October 10–14, 1977. Abstract TuE11,Second-order correlation and radiometry, Journ. Opt. Soc. Amer.,67, 1366 (1977).

Traduzione a cura della Redazione.

Перевебено ребакцией.

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Baltes, H.P., Steinle, B. Fluctuating sources and second-order radiometry. Nuov Cim B 44, 423–441 (1978). https://doi.org/10.1007/BF02726805

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  • DOI: https://doi.org/10.1007/BF02726805

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