1987
DOI: 10.1002/pssa.2211030237
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Information Depth in Optical Beam Induced Examination of Semiconductor Materials and Devices

Abstract: The interaction is considered of a focused light beam with a semi-infinite semiconductor and the volume discussed which the photogenerated carriers probe. An information depth is introduced, within which the majority of the carriers are generated, and the effects are discussed of diffusion length, surface recombination velocity, and probe objective lens numerical aperture. The application of the results to photoluminescence studies is also considered.Es wird die Wechselwirkung eines fokussierten Lichtstrahles … Show more

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Cited by 3 publications
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“…1. This agrees with the limit obtained in the previous steady state theory [14], the factor 2.3 (= ln 10) is of course somewhat arbitrary and depends on our choice of the 90% criterion for the information depth. Fig.…”
Section: Discussionsupporting
confidence: 89%
“…1. This agrees with the limit obtained in the previous steady state theory [14], the factor 2.3 (= ln 10) is of course somewhat arbitrary and depends on our choice of the 90% criterion for the information depth. Fig.…”
Section: Discussionsupporting
confidence: 89%