Photonic Crystal Fiber Mach-Zehnder Interferometer Based on Refractive Index Sensitivity of Cladding Corrosion Optimization

Guojia Huang; Shizhang Ma; Lian Wang; Shiping Li; Wenlin Feng

doi:10.3788/LOP56.170629

Laser & Optoelectronics Progress, Volume. 56, Issue 17, 170629(2019)

Photonic Crystal Fiber Mach-Zehnder Interferometer Based on Refractive Index Sensitivity of Cladding Corrosion Optimization

Guojia Huang¹, Shizhang Ma², Lian Wang¹, Shiping Li¹, and Wenlin Feng^2,3、*

Author Affiliations

¹ Guangzhou Special Pressure Equipment Inspection and Research Institute, Guangzhou, Guangdong 510663, China

² College of Science, Chongqing University of Technology, Chongqing 400054, China

³ Chongqing Key Laboratory of Green Energy Materials Technology and Systems, Chongqing 400054, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(10)

Fig. 1. Diagram of corrosion device

Download full size

$Sensitivity of 2 cm PCF to external refractive index. (a) Image of wavelength shift; (b) fitting image of wavelength shift$

Fig. 2. Sensitivity of 2 cm PCF to external refractive index. (a) Image of wavelength shift; (b) fitting image of wavelength shift

Download full size

Fig. 3. Relationship between sensitivity and length of PCF

Download full size

$Sensitivity of interferometer with 3 cm PCF to external refractive index after corrosion for 20 min. (a) Image of wavelength shift; (b) fitting image of wavelength shift$

Fig. 4. Sensitivity of interferometer with 3 cm PCF to external refractive index after corrosion for 20 min. (a) Image of wavelength shift; (b) fitting image of wavelength shift

Download full size

$Refractive index sensitivity of interferometer with 3 cm PCF in NaCl solution before corrosion$

Fig. 5. Refractive index sensitivity of interferometer with 3 cm PCF in NaCl solution before corrosion

Download full size

Fig. 6. Patterns of PCF. (a) Microscope image of fiber after corrosion for 60 min; (b) end face before corrosion

Download full size

Fig. 7. Variation of wavelength offset with temperature

Download full size

Table 1. Refractive index sensitivity of PCF with different lengths
View table
Table 1. Refractive index sensitivity of PCF with different lengths
PCF length /cm Sensitivity /(nm·RIU^-1)
2 184.307
3 190.174
4 206.179
5 227.711

Table 2. Sensitivity of interferometer with 3 cm PCF to external refractive index before and after corrosion
View table
Table 2. Sensitivity of interferometer with 3 cm PCF to external refractive index before and after corrosion
Length /cm Sensitivity before corrosion /(nm·RIU^-1) Sensitivity after corrosion /(nm·RIU^-1)
2 184.307 214.071
3 190.174 254.717
4 206.179 274.441
5 227.711 242.246

Table 3. Spectral data of 3 cm PCF with different corrosion time
View table
Table 3. Spectral data of 3 cm PCF with different corrosion time
Corrosion time /min Number of detectable troughs Average spectral shift /nm
0 8 0.866
10 4 1.372
20 6 1.425
30 5 2.192
40 5 2.638
50 2 2.223

Tools

Get Citation

Copy Citation Text

Guojia Huang, Shizhang Ma, Lian Wang, Shiping Li, Wenlin Feng. Photonic Crystal Fiber Mach-Zehnder Interferometer Based on Refractive Index Sensitivity of Cladding Corrosion Optimization[J]. Laser & Optoelectronics Progress, 2019, 56(17): 170629

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites