Influence of Faraday Rotator Mirror on Measurement of Magneto-Optical Properties of Spun Fibers

Jiawei Zeng; Jianxiang Wen; Hao Shi; Yan Wu; Wei Chen; Xiaobei Zhang; Fufei Pang; Tingyun Wang

doi:10.3788/AOS221390

Acta Optica Sinica, Volume. 43, Issue 3, 0312003(2023)

Influence of Faraday Rotator Mirror on Measurement of Magneto-Optical Properties of Spun Fibers

Jiawei Zeng, Jianxiang Wen^*, Hao Shi, Yan Wu, Wei Chen, Xiaobei Zhang, Fufei Pang, and Tingyun Wang

Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(7)

Fig. 1. Non-reciprocity of Faraday effect

Download full size

Fig. 2. Optical fiber magneto-optical characteristic test system

Download full size

Fig. 3. ER characteristics of spun and unspun fibers without and with FRM and after coupler compensation

Download full size

Fig. 4. Faraday rotation angle of spun and unspun fibers without and with FRM

Download full size

Fig. 5. Verdet constants of spun and unspun fibers without and with FRM

Download full size

Table 1. Extinction ratio characteristics of spun and unspun fibers without and with FRM

View table

Table 1. Extinction ratio characteristics of spun and unspun fibers without and with FRM

Condition	Pitch /mm	S₁ /dB	S₂ /dB	S₃ /dB	S₄ /dB	S₅ /dB	$\bar{S}$ /dB	$σ$
Optical fiber without FRM	$\infty$ 1.0 1.5 2.0 3.0	25.14	27.37	24.52	25.45	25.05	25.51	0.98
		27.45	28.54	28.10	27.64	28.58	28.06	0.46
		27.94	27.32	26.74	28.33	27.98	27.66	0.56
		27.32	26.93	27.53	27.17	26.80	27.15	0.26
		26.54	26.07	26.91	26.45	25.47	26.29	0.49
Optical fiber with FRM	$\infty$	27.11	26.55	27.61	26.77	27.14	27.04	0.36
	1.0	28.11	27.44	27.71	27.61	27.75	27.72	0.22
	1.5	27.69	27.17	27.98	27.40	27.46	27.54	0.27
	2.0	27.23	27.37	27.49	27.15	27.04	27.26	0.16
	3.0	27.43	27.26	27.62	27.14	26.88	27.28	0.26

Table 2. Comparison of theoretical and experimental values of Verdet constant for spun fibers

View table

Table 2. Comparison of theoretical and experimental values of Verdet constant for spun fibers

Pitch $L_{t} / m m$	Theoretical calculation results			Experimental measured results
Pitch $L_{t} / m m$	$ω$ /（rad $∙$ mm^-1）	$∆ δ$ /（rad $∙$ mm^-1）	$V_{B}$ / （rad $∙$ T^-1 $∙$ m^-1）	$V_{e x p}$ （without FRM）/（rad $∙$ T^-1 $∙$ m^-1）	$V_{e x p}$ （with FRM）/（rad $∙$ T^-1 $∙$ m^-1）	Improvement / %
1.0	6.28	0.0959	0.8689	0.8304	0.8631	3.94
1.5	4.19	0.1918	0.8688	0.8268	0.8658	4.72
2.0	3.14	0.2876	0.8681	0.8233	0.8582	4.24
3.0	2.09	0.3835	0.8654	0.8146	0.8605	5.63
$\infty$	—	—	0.8690	0.8029	0.8480	5.62

Tools

Get Citation

Copy Citation Text

Jiawei Zeng, Jianxiang Wen, Hao Shi, Yan Wu, Wei Chen, Xiaobei Zhang, Fufei Pang, Tingyun Wang. Influence of Faraday Rotator Mirror on Measurement of Magneto-Optical Properties of Spun Fibers[J]. Acta Optica Sinica, 2023, 43(3): 0312003

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Jun. 28, 2022

Accepted: Aug. 16, 2022

Published Online: Feb. 13, 2023

The Author Email: Wen Jianxiang (wenjx@shu.edu.cn)

DOI:10.3788/AOS221390

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology