الصفحة الرئيسية > ?????? > ????????? ?????? > ??? ???????? ????? ?? ????? ?????? ???
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???????? LiF

????? ????? LiF (?????? ????????) ?????? ?????? ?? ????? VUV. ??? ???????? ??????? ? ????????? ? ???????? ?? ??????? ??????? ??? ??????? ?? 0.105 ???????? – 6 ??????. ????? (LiF) (?????? ????????) ???? ?????? ???????? ???? ????? ?????? ?? ??????? ?????? ??? 400 ???? ?????. ???????? ??? ??? ? ???? ????? ????? ???????. ??? ????? ?????????? ????????? ?? ????? ???? ??????? ?? ?????? ???????. ??? ???? ????? (???????? ?????????) ????? ??? 600 ???? ????? ??? ???? ?? ????????? ???? ???? ?? ????? ?? ????? ??? ?????. ???? ???? ?????? ???? (100) ????? ???? ????? (110) ?????. ??????? ??????? ???? ??? ??? ??? ?????? ???? ?????? ????????? ???. Honor Optics ?? ???? VUV ???? ?????? LiF ?????? ? ????? ?????? LiF China ? ????? ??? ?? ??????? ?????? LiF ???????.

????? LiF (?????? ????????) ??? ??? ????? ?????? ????? ???? ?????? ??? ??????? ???????. ??? ??? ????? ???? ?????? ?????? ??? ????????? ?? ?? ???? ? ??? ??? ???? ??? ???????? ???? ???? ??? ????? VUV ?? ?? Lyman-alpha ?????????? (121nm). ???? ?????? ?? ????? 40 ? ??? 121nm. ??? ?? ???? ?? ?????? ?????? ????? ???? ?????? ??? ????????? ???????. ??? ???? ??????? ???? ???? ?? ????? ?? ??? ??? ???? ??????? ?? HDF ???????? ??????. ??? ??? ? ???? ??????? ??????? ?????. ????? ??? ?? ??????? ?????? ????? LiF ???? ?????.

??? ?? ???? ?????? bifffringence ???????? ????? ??????? ?? ???????? ??? ?????? ??? ?????? ?? ??????? ??????. ???? ?????? ??????? ???????? ????????????. ??? ??? ??? CaF2 ???? ??? ??? ??? ??. ??? ???? ????? ?? CaF2 ? BaF2 ? ???? ???? ?? ???? ???? ????? ?? MgF2. LiF ?? ???? ??????? ?????. ????? ??? ?? ??????? ?????? ????? LiF ???? ?????.

???????? ???????: ??????? ? ??????? ??? ???? ? ?????? ? ??????? ? ?????????.

??????? ??????: ????? ????????? ????????? ????? ????? ?? ?????? ??? ??????? ?? ??? ????? ?? 40 ??? 20 ?? ??????? ??????? ?? 0.75 ??? andm ? 60-40 ?? 80-50 ????? ??????? 3-7??m ??? ??????? ???? ??????.

????? ??????: ?? ?????? ??? ??????? ? ?????? ????? ?????? ???????? ?? 1/2 ???? ??? 4 ????? @ 0.6328??m ??? ??????? ???? ??????.

?????? ???? AR: ???? ?? ???? LiF ????? ???????? ?????????? ?? ?????? ??? ??????? ? ???? ???? ??? ??? ???? ???? ?? ??????? ???? ?????? ????? ???????? ????????? ?????? ??????

???????. 1. ??????? ???????? ??? LiF

Optical?Properties
Transmission?Range 105?nm?to?6???m
Transmittance >90%?at?300?nm?to?4.5???m
Refractive?Index 1.3733at?2.5???m;

1.6240?at?121?nm

Reflection?Loss 4.4%?at?4???m?(both?surfaces)
Physical?Properties
Density 2.64?g/cm3
Melting?Point 845??
Thermal?Conductivity 11.3?Wm-1K-1?at?314K
Thermal?Expansion 37?x?10-6?/??
Mohs?Hardness 113?with?600g?indenter?(kg/mm2)
Specific?Heat?Capacity 1562?J/(kg.k)
Dielectric?Constant 9.0?at?100?Hz
Youngs?Modulus?(E) 64.79?GPa
Shear?Modulus?(G) 55.14?GPa
Bulk?Modulus?(K) 62.03?GPa
Rupture?Modulus 10.8?MPa
Elastic?Coefficient C11=112;?C12=45.6;?C44=63.2
Chemical?Properties
Solubility 0.27?g/?100g?water?at?18??
Molecular?Weight 25.94
Structure Cubic?Crystal
Cleavage?Plane (100)

???????. 2. ???? ???????? ?? LiF ? No = ???? ???

?m No ?m No ?m No
0.106 1.9130 0.108 1.8330 0.110 1.7770
0.121 1.6240 0.130 1.5690 0.140 1.5300
0.150 1.5030 0.160 1.4840 0.170 1.4690
0.180 1.4850 0.190 1.4455 0.200 1.4391
0.220 1.4291 0.250 1.4189 0.260 1.4164
0.270 1.4141 0.280 1.4121 0.290 1.4103
0.300 1.4087 0.310 1.4073 0.320 1.4060
0.330 1.4048 0.340 1.4037 0.350 1.4028
0.360 1.4019 0.400 1.3989 0.500 1.3943
0.600 1.3918 0.700 1.3902 0.800 1.3890
0.900 1.3880 1.000 1.3871 1.500 1.3832
2.000 1.3788 2.500 1.37327 3.000 1.3666
3.500 1.3587 4.000 1.3494 4.500 1.3388
5.000 1.3266 5.100 1.3240 5.200 1.3213
5.300 1.3186 5.400 1.3158 5.500 1.3129
5.600 1.3099 5.700 1.3069 5.800 1.3038
5.900 1.3007 6.000 1.2975

???????. 3. ??????? ?????? LiF

Specification Typical Level High precision
Sizes 2mm-150mm 2mm-180mm
Diameter tolerance +/-0.1mm +/-0.05mm
Thickness tolerance +/-0.1mm +/-0.05mm
Surface quality, scr/dig 60/40 20/10
Surface flatness(lambda) 2 L/4
Parallelism 3?arc min 10 arc sec
Clear Aperture 80% 90%
Chamfer 0.25mm at 45 deg 0.15mm at 45 deg
Coating As requested As requested

??? ???????

China LiF optics transmission spectrum

???????? ????? ?????? LiF ???? ????? ????? ????. ???? ???????? ??????? ? ?????????? ? ???????? ?? VUV ? ?????? ??? ????????? ? ??????? ??????? ??? ??????? ??? ???? ??????? ??????? ?? ?????? 0.11??m ~ 6??m. ????? ??????? ??????? ?????? ? ???? ????? ??????? LiF (?????? ????????) ?????? ???? ?????? ???????. Honor Optics ?? ???? VUV ???? ?????? LiF ?????? ? ????? ?????? LiF China ? ????? ??? ?? ??????? ?????? LiF ???????.

????????? ???????? ????? ??? ????? ??????:

1.Windows
2.Lenses
3.Polarizers
4.Prisms
?????: 5.UV
6.Receivers
7. excimer ??????
8. ???? ?????? ??????? ???????

Honor Optics ?? ?????? ??????? ?????????? ?? LiF (?????? ????????) ?? ??????? ????? ?????? ROHS. ???? ?? ???? Honor Optics:
?????? ??? ????????? ??????? ??? ??????? ??????? ?????? (???????? ??????) ???????? ??????? ?? ????? ?????? ? ??? ???? ? ???? ? ???? ? ????? ? ????? ? ????? ? ??????? ???? ???.
????? ???? LiF (?????? ????????) ????????? ? ???? ??? ????? 180 ???
??????? ?? &lt? 100 &gt ?? &lt? 110 &gt ?? &lt? 111 &gt?