Thermal Stress of Mechanically Mounted KDP Crystals

Ruifeng Su; Zhan Huang; Mingzhi Zhu; Baoxu Wang; Wenkai Wu

doi:10.3788/AOS201737.1214001

Journals >Acta Optica Sinica >Volume 37 >Issue 12 >Page 1214001 > Article

Acta Optica Sinica
Vol. 37, Issue 12, 1214001 (2017)

Thermal Stress of Mechanically Mounted KDP Crystals

Ruifeng Su, Zhan Huang^*, Mingzhi Zhu, Baoxu Wang, and Wenkai Wu

Author Affiliations

Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang, Sichuan 621900, China

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DOI: 10.3788/AOS201737.1214001 Cite this Article Set citation alerts

Ruifeng Su, Zhan Huang, Mingzhi Zhu, Baoxu Wang, Wenkai Wu. Thermal Stress of Mechanically Mounted KDP Crystals[J]. Acta Optica Sinica, 2017, 37(12): 1214001 Copy Citation Text

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Fig. 1. Schematic of mounting set of KDP crystal

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Fig. 2. Finite element model of mounting set of KDP crystal

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Fig. 3. Overall temperature distribution within KDP crystal after heat absorption

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Fig. 4. Thermal stress distribution within KDP crystal

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Fig. 5. RMS value of thermal stress versus preforce

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Fig. 6. RMS value of thermal stress versus friction coefficient

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Fig. 7. RMS value of thermal stress versus elastic modulus

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Component	Material	Thermal conductivity /(W·m^-1·K^-1)	Specific heat /(J·kg^-1·K^-1)	Thermal expansion coefficient /(10^-6 K^-1)	Density /(10³ kg·m^-3)	Elastic modulus /MPa	Poisson ratio
KDP crystal	KDP	1.21(∥c)	981.2	42.1(∥c)	2.34	-	-
KDP crystal	KDP		1.34(⊥c)		2.34	-	26.4(⊥c)
Frame	Steel	60	450	13	7.8	2×10⁵	0.3
Block	Steel	60	450	13	7.8	2×10⁵	0.3
Tap	Steel	60	450	13	7.8	2×10⁵	0.3
Staple	Teflon	0.256	1.05	10	2.2	500	0.4

Table 1. Materials and properties of components in mounting set of KDP crystal

Ruifeng Su, Zhan Huang, Mingzhi Zhu, Baoxu Wang, Wenkai Wu. Thermal Stress of Mechanically Mounted KDP Crystals[J]. Acta Optica Sinica, 2017, 37(12): 1214001

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