ISapphire (Al2O3)
ISapphire (Al2O3) yikristale enye yealuminiyam oxide (Al2O3) ngobunzima be-Mohs be-9, yenye yezona zinto zinzima.Obu bunzima bugqithileyo besafire kwenza kube nzima ukupolisha usebenzisa iindlela eziqhelekileyo.Umgangatho ophezulu we-optical finishes kwisafire ayisoloko inokwenzeka.Ekubeni i-Sapphire yomelele kakhulu kwaye inamandla omatshini, isoloko isetyenziswa njengezinto zefestile apho ukuxhatshazwa kwe-scratch kuyadingeka.Indawo yayo ephezulu yokunyibilika, i-thermal conductivity efanelekileyo kunye nokwandiswa kwe-thermal ephantsi kunika ukusebenza kakuhle kwiindawo eziphezulu zokushisa.ISapphire ayisebenzi ngokwekhemikhali kwaye ayinyibiliki emanzini, iiasidi eziqhelekileyo, kunye nealkalis kumaqondo obushushu ukuya kwi-1,000 °C.Iqhele ukusetyenziswa kwiinkqubo ze-laser ye-IR, i-spectroscopy, kunye nezixhobo ezinqabileyo zokusingqongileyo.
Iipropati zeMathiriyeli
Refractive Index
1.755 @ 1.064 µm
Inombolo ka-Abbe (Vd)
Eqhelekileyo: 72.31, Engaqhelekanga: 72.99
I-Thermal Expansion Coefficient (CTE)
8.4 x 10-6 /K
I-Thermal Conductivity
0.04W/m/K
Mohs Ubunzima
9
Ukuxinana
3.98g/cm3
I-Lattice Constant
a=4.75 A;c=12.97A
Indawo yokunyibilika
2030℃
Imimandla yoThutho kunye nezicelo
Eyona Range yoThutho | Izicelo ezifanelekileyo |
0.18 - 4.5 μm | Ngokuqhelekileyo isetyenziswa kwiinkqubo ze-laser ye-IR, i-spectroscopy kunye nezixhobo ezinqabileyo zokusingqongileyo |
Igrafu
Igrafu echanekileyo yi-curve yothumelo lwe-10 mm ubukhulu, i-substrate yesafire engafakwanga
Iingcebiso: ISapphire i-birefringent kancinane, injongo ngokubanzi iifestile ze-IR zidla ngokusikwa ngendlela engakhethiyo ukusuka kwikristale, nangona kunjalo i-orientation ikhethwa kwizicelo ezithile apho i-birefringence ingumba.Ngokuqhelekileyo oku kuhambelana ne-optic axis kwi-90 degrees ukuya kwinqwelomoya kwaye yaziwa ngokuba yi "zero degree" imathiriyeli.Isafire ebonakalayo ayinambala.
Ukufumana iinkcukacha ezithe vetshe, nceda ujonge ikhathalogu yethu ye-optics ukuze ubone ukhetho lwethu olupheleleyo lwe-optics eyenziwe ngesafire.