Tsev > Khoom > Kev siv kho Crystal > Kev Muag Khoom Uas Nyias LiF Optics Nrog Cov Khoom Muag Zoo Xwb

LiF Optics

LiF (Lithium Fluoride) Crystal qhia tau zoo heev nyob hauv VUV thaj chaw. Nws yog siv rau cov qhov rais, cov khoom ntws, thiab lo ntsiab muag nyob rau hauv qhov pom thiab qhov teeb meem hauv 0.105 μm – 6 μm. Lif (Lithium Fluoride) siv lead ua los thermal shock thiab yuav tawm tsam los ntawm cov cua ntub dej atmospheric ntawm 400 ° C. Tsis tas li ntawd, kev ntxub ntxaug ua rau cov chaw muaj xim. Yuav tsum tau ceev faj txog kev tiv thaiv kom tsis txhob noo thiab lub zog hluav taws xob ua kom puas. Dhau li ntawm LiF (Lithium Fluoride) muag ntawm 600 ° C thiab yog ib nyuag me ntsis uas tuaj yeem khoov rau hauv daim phiaj thim. Cov khoom yuav raug muab sib npaug nrog (100) lub dav hlau thiab tsawg dua (110) dav hlau. Cov yam ntxwv kho qhov muag yog qhov zoo thiab tseem muaj cov qauv tsis zoo tag nrho thiab kev sib cais yog qhov nyuaj. Honour Optics yog VUV qib LiF optics chaw tsim khoom, yuav Tuam Tshoj LiF optics, txais tos los nrog sab nrauv muag LiF optics.

LiF (Lithium Fluoride) muaj qhov qis qis tshaj plaws ntawm tag nrho cov khoom siv ntiag tug. Nws kuj possesses UV kis loj tshaj plaws ntawm cov ntaub ntawv, ua tau xa mus rau hauv VUV thaj tsam ntawm lub laj lim Lyman-alpha hydrogen (121nm). Kis yog 40% ntawm 121 nm; qhov no yog ib qho ntawm cov ntaub ntawv zoo tshaj plaws rau tob UV spectrum. Nws yog me ntsis soluble hauv dej thaum nyob soluble hauv HDF thiab lwm cov acids. Txawm li cas los, nws muaj peev xwm raug muab ntxuav nrog ntshiab haus cawv. txais tos los sib tham txog kev cai LiF optics tseeb nqe.

High purity LiF optics birefringence yuav tsum tau muab rau hauv kev saib xyuas ua ntej xaiv ntawm cov khoom no nyob hauv optical tsim. Nws tiv taus thermal thiab mechanical shock. Nws yog ob zaug li nyuab li CaF2 tab sis tsuas yog ib nrab ntawm ib qho nyuaj li Ge. Nws yog kim dua CaF2 thiab BaF2, tab sis feem ntau tsis kim tshaj MgF2. LiF yog diamond turnable. txais tos los sib tham txog kev cai LiF optics tseeb nqe.

Khoom tsim: lo ntsiab muag, Aspheric lo ntsiab muag, Qhov rais, Wedges, Prisms.

Qhov xaus: Cov lus qhia tshwjxeeb rau qhov zoo hauv lub khov nabnpawb yog 40-20 khawb-khawb hauv cheebtsam 0.75 rau μm spectral thiab 60-40 lossis 80-80 khawb rau thaj tsam 3-7μm raws li kev ua haujlwm rau kev ua haujlwm.

Daim duab ntawm daim duab: Hauv qhov khib nyiab, feem ntau ntawm daim duab saum toj los ntawm 1/2 nthwv dej rau 4 qhov tsis muaj @ 0.6328μm raws li kev ua haujlwm ntawm kev ua haujlwm.

AR txheej xaiv: LiF yuav AR coated rau siv nyob rau hauv cov infrared, tab sis feem ntau tsis muaj kev txhim kho ntau rau kev sib kis vim nws tsawg index ntawm refraction thiab twb siab kis

Tab. 1. Cov khoom tseem ceeb ntawm LiF

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

1.6240 at 121 nm

Reflection Loss 4.4% at 4 μm (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)

Tab. 2. Refraction Performance index ntawm LiF, Tsis yog = Txoj Kev Nyab Xeeb Sij Hawm

µm No µm No µm 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

Tab. 3. Kev qhia ntawm LiF kev xaiv

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

Kis Tau Tus Mob Spectrum

China LiF optics transmission spectrum

High purity LiF optics qhia zoo kho qhov muag. Nws tuaj yeem siv rau qhov rais, cov khoom ntws, thiab lo ntsiab muag nyob rau hauv VUV, UV, pom thiab qhov muag ploj qhov twg qhov kev xaib xaib yog nyob rau hauv 0.11μm ~ 6μm ntau. Vim nws txoj kev lattice xyov, LiF (Lithium Fluoride) kuj siv tau raws li X-hluav taws xob diffraction li. Honour Optics yog VUV qib LiF optics chaw tsim khoom, yuav Tuam Tshoj LiF optics, txais tos los nrog sab nrauv muag LiF optics.

Cov ntsiab lus tseem ceeb tau muab sau ua ke raws li nram no:

1. Qhov rai
2. Lo ntsiab muag
3. Polarizers
4. Pov Tsiaj
5. Qhov chaw UV
6. Cov neeg txais kev pab
7. Tshaj Lij Excimer
8. Xuas phom fluorescence instruments

Honour Optics yog cov chaw tsim khoom ntawm LiF (Lithium Fluoride) nrog ROHS tej kev tiv thaiv kev tiv thaiv. Honour Optics yuav muab tau:
UV thiab Li Qib Li Li Li (Lithium Fluoride) Optical Cheebtsam nrog ntau yam qauv, xws li pas nrig, square, kauj ruam, ntub dej, khib nyiab, qeg, cylindrical thiab lwm yam.
Zoo zoo LiF (Lithium Fluoride) Crystal, qhov siab tshaj plaws yog li ntawm 180mm
Orientation: < 100 >, < 110 >, < 111 >