氟化钙（CaF2）晶体
一,用途:
CaF2晶体在0.125~9μm之间具有良好透光性,因此,可以做棱镜,透镜,透光窗和高质量显微镜的消色差透镜.
二,主要物理性能:
1.折射率:n D =1.43389,n( 5μ) =1.40
2.熔点:1360℃
3.密度:3.18g/cm3
4.莫氏硬度:4级
5.解理面:[111]
6.溶解度:0.0016g/100gH2O
7.透光范围:0.123~9μm
8.热膨胀系数:1.838 x 10-5 / ℃
9.热导率:0.02448c/g. ℃ .cm.s
三.尺寸:
ф5~180mm
Calcium Fluoride (CaF2) Crystal
1、Application:
The CaF2 crystal has higher tansparsncy in the range 0.125-9μm.So that it can be applied as lens,prisms,windows and the achromatic lens in the high quality microscope.
2、Main physical Properties:
Refractive index： nD=1.43389，n(5μ)=1.40
Melting point ：1360°CDensity: 3.18g/cm3
Hardness: 4(M)
Cleavage: [111]
Solubility: 0.0016g/100gH2O
Transparency: 0.125-9μm
Thermal Expensibility: 1.838×10-5/°C
Thermal Conductivity: 0.02468c/g.°C.cm.s.
Calcium fluoride (CaF2) crystal
一, be widely used
二main innate laws of things
1．refractive index：n D =1.43389,n( 5μ) =1.40
2．melting point; 1360℃
3．Density：3.18g/cm3
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