Laser-induced damage in fused silica under multi-wavelength simultaneous laser irradiation

Rong Qiu; Yong Jiang; Decheng Guo; Jinfang Shi; Cui Li; Cheng Ye; Qiang Zhou; Wei Han; Jin Huang

doi:10.11884/HPLPB202032.190479

High Power Laser and Particle Beams, Volume. 32, Issue 1, 011011(2020)

Laser-induced damage in fused silica under multi-wavelength simultaneous laser irradiation

Rong Qiu^1,2, Yong Jiang^1,2, Decheng Guo^1,2, Jinfang Shi^1,3, Cui Li^1,3, Cheng Ye¹, Qiang Zhou¹, Wei Han⁴, and Jin Huang⁴

Author Affiliations

¹Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621900, China

²Sichuan Civil-military Integration Institute, Mianyang 621900, China

³Key Laboratory of Testing Technology for Manufacturing Process, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China

⁴Research Center of Laser Fusion, CAEP, P. O. Box 919-988, Mianyang 621900, China

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Figures & Tables(6)

Fig. 1. Schematic diagram of shock wave velocity measurement based on double femtosecond pulse

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Fig. 2. Typical shadow images of rear-surface damage based on double wavelength femtosecond laser

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Table 1. Damage probability of fused silica irradiated by dual wavelength laser

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Table 1. Damage probability of fused silica irradiated by dual wavelength laser

wavelengths	energy density/(J·cm⁻²)	damage probability/%	wavelengths	energy density/(J·cm⁻²)	damage probability/%
3ω＋2ω	17＋3	0	3ω＋1ω	17＋5	0
	17＋6	0		17＋10	3
	17＋9	2		17＋15	4.5
	17＋12	5.5		17＋20	6
	20.5＋3	7		20.5＋5	4.5
	20.5＋6	5		20.5＋10	4
	20.5＋9	1.5		20.5＋15	3
	20.5＋12	3.5		20.5＋20	8.5
	24＋3	3		24＋5	5
	24＋6	8		24＋10	7
	24＋9	10		24＋15	8
	24＋12	12		24＋20	14
	27.5＋3	31		-	-

Table 2. Influence of 2ω and 1ω wavelengths on damage probability and damage degree

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Table 2. Influence of 2ω and 1ω wavelengths on damage probability and damage degree

wavelengths	energy density/(J·cm⁻²)	damage probability/%	average area/μm²
3ω	20.5	1.5	2 043
	24	4	3 180
	30.5	28	4 565
	31	33.5	4 737
	33	47	6 455
3ω＋2ω	20.5＋3	4	2 105
	20.5＋6	5	2 517
	20.5＋9	1.5	4 029
	20.5＋12	3.5	5 134
3ω＋1ω	20.5＋5	4.5	1 903
	20.5＋10	4	2 480
	20.5＋15	3	2 507
	20.5＋20	8.5	3 701

Table 3. Damage growth probability of fused silica irradiated by 3ω and 2ω simultaneously
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Table 3. Damage growth probability of fused silica irradiated by 3ω and 2ω simultaneously
No. 3ω energy density/(J·cm⁻²) 2ω energy density/(J·cm⁻²) damage growth probability/%
1 4.4 2.4 0
2 5 0 0
3 5 1.2 0
4 5 2.4 5
5 6 0 0
6 6 1.2 11
7 6 2.4 17
8 6.5 0 13
9 6.5 1.2 18
10 6.5 2.4 26

Table 4. Damage growth probability of fused silica irradiated by 3ω and 1ω simultaneously
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Table 4. Damage growth probability of fused silica irradiated by 3ω and 1ω simultaneously
No. 3ω energy density/(J·cm⁻²) 1ω energy density/(J·cm⁻²) damage growth probability/%
1 4.4 2.4 0
2 5 0 0
3 5 1.2 0
4 5 2.4 0
5 6 0 0
6 6 1.2 0
7 6 2.4 7
8 6 3.6 12
9 6.5 0 10
10 6.5 1.2 14
11 6.5 2.4 20

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Rong Qiu, Yong Jiang, Decheng Guo, Jinfang Shi, Cui Li, Cheng Ye, Qiang Zhou, Wei Han, Jin Huang. Laser-induced damage in fused silica under multi-wavelength simultaneous laser irradiation[J]. High Power Laser and Particle Beams, 2020, 32(1): 011011

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Paper Information

Category: Research Article

Received: Nov. 25, 2019

Accepted: --

Published Online: Mar. 31, 2020

The Author Email:

DOI:10.11884/HPLPB202032.190479

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Damage probability of fused silica irradiated by dual wavelength laser

Table 1. Damage probability of fused silica irradiated by dual wavelength laser

Table 2. Influence of 2ω and 1ω wavelengths on damage probability and damage degree

Table 2. Influence of 2ω and 1ω wavelengths on damage probability and damage degree

Table 3. Damage growth probability of fused silica irradiated by 3ω and 2ω simultaneously

Table 3. Damage growth probability of fused silica irradiated by 3ω and 2ω simultaneously

Table 4. Damage growth probability of fused silica irradiated by 3ω and 1ω simultaneously

Table 4. Damage growth probability of fused silica irradiated by 3ω and 1ω simultaneously