A nanosecond level current pulse capture taper optical fiber probe based on micron level nitrogen-vacancy color center diamond
卞雨辰 1毛扬帆 2陈鸿浩 2葛仕宇 2卢文韬 1王成坤 2安思瀚 2杜关祥1
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作者信息
1. Portland Institute,Nanjing University of Posts and Telecommunications,Nanjing 210000,China
2. College of Telecommunication and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210000,China
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Abstract
This work demonstrates a micron-sized nanosecond current pulse probe using a quantum diamond magnetometer.A micron-sized diamond crystal affixed to a fiber tip is integrated on the end of a conical waveguide.We demonstrate real-time visualization of a single 100 nanosecond pulse and discrimination of two pulse trains of different frequencies with a coplanar waveguide and a home-made PCB circuit.This technique finds promising applications in the display of electronic stream and can be used as a pulse discriminator to simultaneously receive and demodulate multiple pulse frequencies.This method of detecting pulse current is expected to provide further detailed analysis of the internal working state of the chip.
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