Characteristics of semi-insulating GaAs photoconductive detectors under steady state illumination Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/3j3335773

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  • The optical and electrical characteristics of semi-insulating GaAs photoconductive detectors made with ohmic and Schottky contacts are studied in this thesis. Current - voltage measurements are made both in the dark and under varying power levels of HeNe laser (6328 Å) illumination. DC photocurrent gain is then calculated as a function of bias voltage based on the experimental data. Temperature variations of spectral response are also measured. An operating mechanism of the ohmic contact detector is proposed. A simplified model is used to calculate the initial current versus voltage characteristics of the Schottky contact detectors. The calculated curves agree qualitatively with the experimental results.
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  • File scanned at 300 ppi (Monochrome, 8-bit Grayscale) using ScandAll PRO 1.8.1 on a Fi-6770A in PDF format. CVista PdfCompressor 5.0 was used for pdf compression and textual OCR.
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2013-06-27T17:35:32Z (GMT) No. of bitstreams: 1 YangHowardC1987.pdf: 2785842 bytes, checksum: 9a000e1de5aff025d7ffff931f1dba61 (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2013-06-27T18:27:35Z (GMT) No. of bitstreams: 1 YangHowardC1987.pdf: 2785842 bytes, checksum: 9a000e1de5aff025d7ffff931f1dba61 (MD5)
  • description.provenance : Submitted by Kim Stowell (ksscannerosu@gmail.com) on 2013-06-26T18:11:58Z No. of bitstreams: 1 YangHowardC1987.pdf: 2785842 bytes, checksum: 9a000e1de5aff025d7ffff931f1dba61 (MD5)
  • description.provenance : Made available in DSpace on 2013-06-27T18:27:35Z (GMT). No. of bitstreams: 1 YangHowardC1987.pdf: 2785842 bytes, checksum: 9a000e1de5aff025d7ffff931f1dba61 (MD5) Previous issue date: 1986-11-26

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