Influence of Lens Parameters on Polarization Transmission in Azimuth Transmission Systems

Fig. 6. Effects of incident spot radius. (a) Variation of deflection angle with spot radius; (b) variation of deflection angle with radius of curvature of concave lens

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Fig. 7. Effect of lens center thickness

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$Effects of refractive index of the lens. (a) Variation of deflection angle with refractive index; (b) variation of deflection angle with radius of curvature of concave lens$

Fig. 8. Effects of refractive index of the lens. (a) Variation of deflection angle with refractive index; (b) variation of deflection angle with radius of curvature of concave lens

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Fig. 9. Test system of beam expansion parameter influence

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Fig. 10. Experimental principle of beam expansion system. (a) Incident light measurement; (b) outgoing light measurement

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Fig. 11. Test result on the effect of curvature radius of lens

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Fig. 12. Test result on the effect of lens incident light spot radius

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Fig. 13. Test result on the effect of lens center thickness

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Table 1. Test data on the effect of curvature radius of lens

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Table 1. Test data on the effect of curvature radius of lens

r_cave /mm	$I_{o x}$ /mW				$I_{o y}$ /mW
r_cave /mm	r_vex=98.5 mm	r_vex=61.39 mm	r_vex=48.59 mm	r_vex=38.85 mm	r_vex=98.5 mm	r_vex=61.39 mm	r_vex=48.59 mm	r_vex=38.85 mm
3.37	23.659	26.080	29.222	31.427	2.109	2.328	2.611	2.812
4.3	28.198	29.723	30.834	32.127	2.468	2.605	2.705	2.820
6.67	32.856	33.498	35.089	36.418	2.821	2.879	3.016	3.135
10.5	35.347	38.131	40.658	41.046	3.016	3.256	3.472	3.504
12.56	38.455	40.216	42.789	43.499	3.274	3.424	3.645	3.705
16.69	40.315	43.898	45.884	46.270	3.428	3.733	3.901	3.936
r_cave /mm	$α_{o r}$ /（°）				$Δ β$ /（°）
r_cave /mm	r_vex=98.5 mm	r_vex=61.39 mm	r_vex=48.59 mm	r_vex=38.85 mm	r_vex=98.5 mm	r_vex=61.39 mm	r_vex=48.59 mm	r_vex=38.85 mm
3.37	17.085	17.096	17.103	17.116	0.410	0.421	0.428	0.441
4.3	16.928	16.942	16.947	16.953	0.253	0.267	0.272	0.278
6.67	16.770	16.776	16.777	16.790	0.095	0.101	0.102	0.115
10.5	16.715	16.723	16.724	16.721	0.040	0.048	0.049	0.046
12.56	16.697	16.699	16.702	16.702	0.022	0.024	0.027	0.027
16.69	16.686	16.687	16.686	16.690	0.011	0.012	0.011	0.015

Table 2. Test data on the effect of incident light spot radius

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Table 2. Test data on the effect of incident light spot radius

r_cave /mm	$I_{o x}$ /mW				$I_{o y}$ /mW
r_cave /mm	$h_{1}$ =0.5 mm	$h_{1}$ =1 mm	$h_{1}$ =1.5 mm	$h_{1}$ =2 mm	$h_{1}$ =0.5 mm	$h_{1}$ =1 mm	$h_{1}$ =1.5 mm	$h_{1}$ =2 mm
4.3	28.198	28.213	28.283	28.301	2.468	2.723	3.166	3.577
6.67	32.856	32.916	33.143	37.138	2.821	2.932	3.150	3.783
10.5	35.347	35.504	35.786	41.379	3.016	3.078	3.183	3.790
12.56	38.455	38.950	40.125	43.486	3.274	3.358	3.522	3.879
16.69	40.315	42.899	43.456	45.765	3.428	3.672	3.765	4.023
r_cave /mm	$α_{o r}$ /（°）				$Δ β$ /（°）
r_cave /mm	$h_{1}$ =0.5 mm	$h_{1}$ =1 mm	$h_{1}$ =1.5 mm	$h_{1}$ =2 mm	$h_{1}$ =0.5 mm	$h_{1}$ =1 mm	$h_{1}$ =1.5 mm	$h_{1}$ =2 mm
4.3	16.928	17.773	19.131	20.315	0.253	1.098	2.456	3.640
6.67	16.770	17.078	17.638	18.256	0.095	0.403	0.963	1.581
10.5	16.715	16.849	17.065	17.316	0.040	0.174	0.390	0.641
12.56	16.697	16.802	16.954	17.089	0.022	0.127	0.279	0.414
16.69	16.686	16.742	16.844	16.966	0.011	0.067	0.169	0.291

Table 3. Test data on the effect of lens center thickness

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Table 3. Test data on the effect of lens center thickness

d₂ /mm	$I_{o x}$ /mW				$I_{o y}$ /mW
d₂ /mm	d₁=1 mm	d₁=2 mm	d₁=3 mm	d₁=4 mm	d₁=1 mm	d₁=2 mm	d₁=3 mm	d₁=4 mm
13.59	28.793	28.660	28.536	28.356	2.518	2.511	2.503	2.490
16.85	28.668	28.577	28.367	28.271	2.508	2.504	2.489	2.484
20.4	28.421	28.370	28.226	28.072	2.487	2.487	2.478	2.467
31.52	28.198	28.176	28.205	27.967	2.468	2.471	2.476	2.461
d₂ /mm	$α_{o r}$ /（°）				$Δ β$ /（°）
d₂ /mm	d₁=1 mm	d₁=2 mm	d₁=3 mm	d₁=4 mm	d₁=1 mm	d₁=2 mm	d₁=3 mm	d₁=4 mm
13.59	16.922	16.938	16.947	16.957	0.247	0.263	0.272	0.282
16.85	16.924	16.940	16.950	16.962	0.249	0.265	0.275	0.287
20.4	16.927	16.943	16.954	16.965	0.252	0.268	0.279	0.290
31.52	16.929	16.944	16.954	16.974	0.254	0.269	0.279	0.299

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Zhiyong Yang, Shun Li, Lina Luo, Wei Cai, Zhiwei Zhang. Influence of Lens Parameters on Polarization Transmission in Azimuth Transmission Systems[J]. Acta Optica Sinica, 2023, 43(20): 2006005

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Apr. 14, 2023

Accepted: May. 24, 2023

Published Online: Oct. 13, 2023

The Author Email: Li Shun (lshun1675@163.com)

DOI:10.3788/AOS230817

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology