Effect of Sample Temperature on Characteristic Parameters of Double-Pulse Laser Induced Al Plasma

Xiaomei Lin; Lei Zhong; Jingjun Lin

doi:10.3788/LOP55.021401

Laser & Optoelectronics Progress, Volume. 55, Issue 2, 021401(2018)

Effect of Sample Temperature on Characteristic Parameters of Double-Pulse Laser Induced Al Plasma

Xiaomei Lin, Lei Zhong, and Jingjun Lin^*

Author Affiliations

College of Electrical & Electronic Engineering, Changchun University of Technology, Changchun, Jilin 130000, China

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Figures & Tables(14)

Fig. 1. Experimental setup diagram of LIBS

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Fig. 2. Contrast of Al spectral line intensity induced by SP-LIBS and DP-LIBS

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Fig. 3. Effect of Ar flow on spectral line intensity

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Fig. 4. Al spectra collected by DP-LIBS technology at different sample temperatures

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Fig. 5. Effect of sample temperature on intensity of Al spectral lines induced by DP-LIBS technology

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Fig. 6. Boltzmann oblique line of Al Ⅰ atom induced by double pulse laser at room temperature (13 ℃)

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Fig. 7. Effect of sample temperature on electron temperature of Al plasma induced by double pulse laser

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Fig. 8. Fitting spectral lines of different linetypes of Al atom at 308.22 nm

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Fig. 9. Effect of sample temperature on electron density of Al plasma induced by double pulse laser

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Fig. 10. Effect of sample temperature on FWHM of different Al spectral lines induced by double pulse laser

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Fig. 11. Effect of sample temperature on morphology and size of plasma plume

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Table 1. Al atom spectral lines used in Boltzmann oblique line

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Table 1. Al atom spectral lines used in Boltzmann oblique line

Atom	Wavelength /nm	E_k /cm^-1	g_k	A_ki /(10⁷ s^-1)
Al I	221.01	45344.165	4	0.87
	226.91	44168.847	6	7.58
	237.21	42144.411	2	0.58
	256.80	38929.413	4	1.92
	257.51	38933.968	6	3.60
	265.25	37689.407	2	1.42
	266.04	37689.407	2	2.84
	308.22	32435.453	4	5.87
	309.27	32436.796	6	7.29

Table 2. Comparison of different linear fitting for Al atom spectral lines at 308.22 nm
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Table 2. Comparison of different linear fitting for Al atom spectral lines at 308.22 nm
Fittinglinetype FWHM R-Square AIC Akaikeweight
Gauss 0.16099 0.98948 220.70458 0.39956
Lorentz 0.14446 0.99040 218.86976 1
Voigt 0.12989 0.91065 266.36807 4.85146×10^-11

Table 3. Original morphology area of plasma plume at different sample temperatures
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Table 3. Original morphology area of plasma plume at different sample temperatures
Sample temperature /℃ 13 160 260 360 460 560 660 700 750
S /(pixel·inch^-1) 4774 5393 5721 5939 6191 6512 6963 6996 6981

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Xiaomei Lin, Lei Zhong, Jingjun Lin. Effect of Sample Temperature on Characteristic Parameters of Double-Pulse Laser Induced Al Plasma[J]. Laser & Optoelectronics Progress, 2018, 55(2): 021401

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Paper Information

Category: Lasers and Laser Optics

Received: Jul. 10, 2017

Accepted: --

Published Online: Sep. 10, 2018

The Author Email: Jingjun Lin ( 1570498510@qq.com)

DOI:10.3788/LOP55.021401

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Al atom spectral lines used in Boltzmann oblique line

Table 1. Al atom spectral lines used in Boltzmann oblique line

Table 2. Comparison of different linear fitting for Al atom spectral lines at 308.22 nm

Table 2. Comparison of different linear fitting for Al atom spectral lines at 308.22 nm

Table 3. Original morphology area of plasma plume at different sample temperatures

Table 3. Original morphology area of plasma plume at different sample temperatures