Yang Lin-Bao, Chen Rui-Zhang, Chen Qi-Yu. CHARACTERISTICS OF LARGE AREA GERMANIUM PHOTODIODE[J]. Journal of Electronics & Information Technology, 1984, 6(3): 206-213.
Citation:
Yang Lin-Bao, Chen Rui-Zhang, Chen Qi-Yu. CHARACTERISTICS OF LARGE AREA GERMANIUM PHOTODIODE[J]. Journal of Electronics & Information Technology, 1984, 6(3): 206-213.
Yang Lin-Bao, Chen Rui-Zhang, Chen Qi-Yu. CHARACTERISTICS OF LARGE AREA GERMANIUM PHOTODIODE[J]. Journal of Electronics & Information Technology, 1984, 6(3): 206-213.
Citation:
Yang Lin-Bao, Chen Rui-Zhang, Chen Qi-Yu. CHARACTERISTICS OF LARGE AREA GERMANIUM PHOTODIODE[J]. Journal of Electronics & Information Technology, 1984, 6(3): 206-213.
A fabrication procedure for large area germanium photodiodes has been demonstrated and the measuring methods on characteristics of spectral response, quantum efficiency, fre-quency response and I-V for this device have been described. At 1.3 m wavelength, the responsibility and the quantum efficiency are 0.47 A/W and 45%, respectively. The frequ-ency response of large area germanium photodiodes is about 100kHz. When bias voltage VB is in the range of 5V at room temperature (12℃), the dark current density of the fabricated diodes is 2310-6 A/cm2(=7.5mm). Typical dark current and I-V dependences on temperature were studied for the large area germanium photodiodes in the range of 2026℃. We have also analysed and discussed these experimental results.
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