Native signal self-mix interferometer has less than 1 nm noise equivalent displacement

被引:8
作者
Donati, Silvano [1 ,2 ]
Norgia, Michele [3 ]
机构
[1] Univ Pavia, Dept Ind & Informat Engn, V Ferrata 1, I-27100 Pavia, Italy
[2] Natl Chung Hsing Univ, Grad Inst Optoelect Engn, Taichung, Taiwan
[3] Politecn Milan, Dept Elect Informat & Bioengn, Pza L da Vinci 32, I-20133 Milan, Italy
关键词
LASER; FEEDBACK;
D O I
10.1364/OL.423351
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate that the native configuration of a self-mixing interferometer attains a minimum detectable displacement of 0.72 nm or lambda/1870 at the laser wavelength of 1310 nm, obtained by the bare laser diode package including a monitor photodiode, observed in the electrical domain by means of an oscilloscope and without any electronic processing of the signal. (C) 2021 Optical Society of America
引用
收藏
页码:1995 / 1998
页数:4
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