Optimization of Angle Parameters of Modulation Module for Spatial Amplitude Modulation Polarization Spectrometer

Haiyue Ji; Shuang Li; Guangfeng Xiang; Lin Han; Zhilong Xu; Jin Hong

doi:10.3788/LOP221505

Laser & Optoelectronics Progress, Volume. 60, Issue 19, 1912003(2023)

Optimization of Angle Parameters of Modulation Module for Spatial Amplitude Modulation Polarization Spectrometer

Haiyue Ji^1,2,3, Shuang Li^1,3、*, Guangfeng Xiang^1,2,3, Lin Han^1,3, Zhilong Xu^1,3, and Jin Hong^1,3

¹Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, Anhui , China

²University of Science and Technology of China, Hefei 230026, Anhui , China

³Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, Anhui , China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(11)

Fig. 1. Spatial amplitude modulation spectral polarization measurement system

Download full size

Fig. 2. Double combo wedge

Download full size

Fig. 3. Flow chart of the genetic algorithm

Download full size

Fig. 4. Distribution of condition number when polarizer azimuth is 0°

Download full size

Fig. 5. Distribution of condition number when polarizer azimuth is 45°

Download full size

Fig. 6. Comparison of polarization measurement accuracy using different azimuth combinations

Download full size

Table 1. Settings for the search space

View table

Table 1. Settings for the search space

No.	$θ_{p}$	$θ_{1 - 1}$	$θ_{1 - 2}$	$θ_{2 - 1}$	$θ_{2 - 2}$
1	$[0,180]$	$[0,180]$	$[0,180]$	$[0,180]$	$[0,180]$
2	$[0,180]$	$[0,180]$	$θ_{1 - 2} ⊥ θ_{1 - 1}$	$[0,180]$	$θ_{2 - 2} ⊥ θ_{2 - 1}$
3	0	$[0,180]$	$θ_{1 - 2} ⊥ θ_{1 - 1}$	$[0,180]$	$θ_{2 - 2} ⊥ θ_{2 - 1}$
4	45	$[0,180]$	$θ_{1 - 2} ⊥ θ_{1 - 1}$	$[0,180]$	$θ_{2 - 2} ⊥ θ_{2 - 1}$
5	90	$[0,180]$	$θ_{1 - 2} ⊥ θ_{1 - 1}$	$[0,180]$	$θ_{2 - 2} ⊥ θ_{2 - 1}$
6	135	$[0,180]$	$θ_{1 - 2} ⊥ θ_{1 - 1}$	$[0,180]$	$θ_{2 - 2} ⊥ θ_{2 - 1}$

Table 2. General settings for the genetic algorithm
View table
Table 2. General settings for the genetic algorithm
Property Value
Number of generation 500
Population size 20
Crossover method Two point crossover
Crossover rate /% 90
Selection method Stochastic universal sampling
Mutation rate /% 1.5

Table 3. Optimal angle combination

View table

Table 3. Optimal angle combination

No.	$θ_{p}$ /（ $^{\circ}$ ）	$θ_{1 - 1}$ /（ $^{\circ}$ ）	$θ_{1 - 2}$ /（ $^{\circ}$ ）	$θ_{2 - 1}$ /（ $^{\circ}$ ）	$θ_{2 - 2}$ /（ $^{\circ}$ ）	$C o n d$
1	101.06	80.65	143.07	143.68	56.36	1.733
2	163.60	3.04	93.04	120.13	30.13	1.966
3	0	159.55	69.55	42.67	132.67	1.966
4	45	65.44	155.44	2.32	92.32	1.966
5	90	159.55	69.55	42.67	132.67	1.966
6	135	65.44	155.44	2.32	92.32	1.966

Table 4. Settings for angle combination
View table
Table 4. Settings for angle combination
No. $θ_{p}$ /（ $^{\circ}$ ） $θ_{1 - 1}$ /（ $^{\circ}$ ） $θ_{1 - 2}$ /（ $^{\circ}$ ） $θ_{2 - 1}$ /（ $^{\circ}$ ） $θ_{2 - 2}$ /（ $^{\circ}$ ） $C o n d$
1 101.06 80.65 143.07 143.68 56.36 1.733
2 163.60 3.04 93.04 120.13 30.13 1.966
3 45 45 135 0 90 3.257
4 7 45 135 0 90 6.248
5 86 45 135 0 90 10.472

Table 5. Settings for tolerance interval

View table

Table 5. Settings for tolerance interval

Element		Deviation
Wedge 1-1	Azimuth /（ $^{\circ}$ ） Top angle /（ $^{\circ}$ ） Azimuth /（ $^{\circ}$ ） Top angl e/（ $^{\circ}$ ） Azimuth /（ $^{\circ}$ ） Top angle /（ $^{\circ}$ ） Azimuth /（ $^{\circ}$ ） Top angle /（ $^{\circ}$ ） S /mm Azimuth /（ $^{\circ}$ ）	$\pm 0.1$
Wedge 1-1		$\pm 0.01$
Wedge 1-2		$\pm 0.1$
Wedge 1-2		$\pm 0.01$
Wedge 2-1		$\pm 0.1$
Wedge 2-1		$\pm 0.01$
Wedge 2-2		$\pm 0.1$
Wedge 2-2		$\pm 0.01$
Center error		$\pm 0.01$
Polarizer of modulation		$\pm 1$

Tools

Get Citation

Copy Citation Text

Haiyue Ji, Shuang Li, Guangfeng Xiang, Lin Han, Zhilong Xu, Jin Hong. Optimization of Angle Parameters of Modulation Module for Spatial Amplitude Modulation Polarization Spectrometer[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1912003

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites