Measurement of response bandwidth of photoelectric detector with low cutoff frequency

Fan Yang; Xinliang Wang; Yang Bai; Junru Shi; Hui Zhang; Jun Ruan; Shougang Zhang

doi:10.1117/12.2506250

15 November 2018 Measurement of response bandwidth of photoelectric detector with low cutoff frequency

Fan Yang, Xinliang Wang, Yang Bai, Junru Shi, Hui Zhang, Jun Ruan, Shougang Zhang

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 1096452 (2018) https://doi.org/10.1117/12.2506250
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

The response bandwidth is an important parameter to describe the frequency response characteristics of photoelectric detector. It characterizes the response capability of photoelectric detector for different modulated optical signals. The research is based on measurement of response bandwidth of photoelectric detector for acousto-optic modulation technology. Laser power is modulated, and photoelectric detector is used to detect modulated laser and record output voltage. Therefore, the response bandwidth of photoelectric detector can be determined through analysis. Such method is easy to operate and facilitates measuring the response bandwidth of photoelectric detector with low cutoff frequency.

Citation Download Citation

Fan Yang, Xinliang Wang, Yang Bai, Junru Shi, Hui Zhang, Jun Ruan, and Shougang Zhang "Measurement of response bandwidth of photoelectric detector with low cutoff frequency", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 1096452 (15 November 2018); https://doi.org/10.1117/12.2506250

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KEYWORDS

Modulation

Signal detection

Signal attenuation

Acousto-optics

Attenuators

Oscilloscopes

Mirrors

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