Measurement of spectra of fiber Bragg gratings by tuning the wavelength of a laser diode

被引：5

作者：

Borisov, Yuriy S. ^{[1
,2
]}

Nizametdinov, Azat M. ^{[1
]}

Ivanov, Oleg, V ^{[1
,3
]}

Chertoriyskiy, Aleksey A. ^{[1
]}

机构：

[1] Russian Acad Sci, Ulyanovsk Branch, Kotelnikov Inst Radio Engn & Elect, Ulitsa Goncharova 48, Ulyanovsk 432071, Russia

[2] Ulyanovsk State Tech Univ, Ulitsa S Venets 32, Ulyanovsk 432027, Russia

[3] Ulyanovsk State Univ, Ulitsa L Tolstogo 42, Ulyanovsk 432017, Russia

来源：

OPTICS AND LASER TECHNOLOGY | 2022年 / 151卷

关键词：

Laser diode; Fiber Bragg grating; Wavelength tuning; Fiber Bragg sensor; SEMICONDUCTOR-LASER; INTERROGATION; SENSOR; FREQUENCY; TEMPERATURE; FILTER;

D O I：

10.1016/j.optlastec.2022.108048

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate the possibility of measuring reflection spectra of fiber Bragg gratings by tuning the wavelength of an off-the-shelf laser diode. Two methods of tuning are studied: temperature tuning at a frequency of 0.5 Hz and current tuning at a frequency of tens of kHz. A wavelength resolution of 2 pm is achieved for both methods. It is shown that by current tuning it is possible to interrogate fiber Bragg gratings at frequencies up to 100 kHz. Using the methods proposed, we have measured the shift of the reflection spectra of a fiber Bragg grating upon heating.

引用

页数：7

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