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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/1436

Title: TIA を用いたVCSEL の自己結合型近距離計に関する研究
Other Titles: TIA ヲ モチイタ VCSEL ノ ジコ ケツゴウ ガタ キンキョリ ケイ ニ カンスル ケンキュウ
Study on short distance meter based on self-coupling effect of VCSEL using TIA
Authors: 神野, 美子
津田, 紀生
山田, 諄
JINNO, Yoshiko
TSUDA, Norio
Issue Date: 31-Mar-2009
Publisher: 愛知工業大学
Abstract: Recently, making use of self-coupling effect of VCSEL, a compact distance meter has been studied. In this distance meter, self-coupling signal has been processed by FFT to obtain a distance information. However the real time measurement is difficult as FFT analyze takes time. Then a short distance meter based on self-coupling effect of VCSEL using Time Interval Analyzer (TIA) is studied. By TIA, the time interval of each self-coupling pulse is measured and the frequency distribution is obtained. Thereby, a distance is calculated by statistically processing the frequency distribution. It is found that the measurement error by TIA is 1/10 less than that by averaging the total self-coupling pulse, that is by using a counter.
URI: http://hdl.handle.net/11133/1436
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