Ability of High-Energy Laser in Combating Typical Air Targets

Shihui Guo; Mingru Ci; Kun Liu; Dayong Zhang; Hong Zhao

doi:10.3788/LOP240662

Laser & Optoelectronics Progress, Volume. 61, Issue 15, 1514010(2024)

Ability of High-Energy Laser in Combating Typical Air Targets

Shihui Guo^*, Mingru Ci, Kun Liu, Dayong Zhang, and Hong Zhao

Author Affiliations

th Research Institute of China ElectronicsTechnology Group Corporation, Beijing 100015, China

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Figures & Tables(7)

Fig. 1. Atmospheric transmissivity of laser at 1.07 μm wavelength with different transmission distance and visibility

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$Atmospheric optical refractive index structure constant with different altitudes$

Fig. 2. Atmospheric optical refractive index structure constant with different altitudes

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Fig. 3. Effects of atmospheric turbulence on θ₃ with diverse altitude and transmission distance

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Fig. 4. Target spot size under different emission apertures

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Table 1. Calculation size and thermal physical parameters of Ge material
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Table 1. Calculation size and thermal physical parameters of Ge material
Parameter Value
Density /kg·m^-3 5490
Thermal conductivity /W·m^-1·K^-1 59
Specific heat /J·kg^-1·K^-1 310
Melting temperature /K 1210
Laser wavelength /μm 1.07
Radius /mm 10
Thickness /mm 1
Absorptivity 0.62

Table 2. Initial parameters of light source system
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Table 2. Initial parameters of light source system
Parameter Value
P /kW 10
D₀ /m 0.8
β 2
α 1.22
λ /μm 1.07

Table 3. Summary of damage distances of airborne laser sources to main targets

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Table 3. Summary of damage distances of airborne laser sources to main targets

Objective	Altitude /km	Damage distance /km
Objective	Altitude /km	0.8 km	3.0 km	10.0 km	20.0 km
CCD	0.5	1.129	4.650	12.110	16.580
CCD	2.0	1.169	4.900	13.080	18.170
Medium wave infrared seeker	0.5	0.770	3.250	7.600	9.700
Medium wave infrared seeker	2.0	0.800	3.440	8.400	10.800
Carbon fiber composite	0.5	0.953	3.606	8.291	10.604
Carbon fiber composite	2.0	0.992	3.834	9.084	11.805
Aldural	0.5	–	0.950	1.350	1.440
Aldural	2.0	–	1.040	1.550	1.660
Steel	0.5	–	1.280	1.720	1.810
Steel	2.0	–	1.420	2.000	2.110

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Shihui Guo, Mingru Ci, Kun Liu, Dayong Zhang, Hong Zhao. Ability of High-Energy Laser in Combating Typical Air Targets[J]. Laser & Optoelectronics Progress, 2024, 61(15): 1514010

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