Ukuqaliswa kwezinto eziqhelekileyo ezibonakalayo ezibonakalayo

Isinyathelo sokuqala kuyo nayiphi na inkqubo yokuvelisa i-optical kukukhethwa kwezinto ezifanelekileyo ezibonakalayo.Iiparamitha ze-Optical (isalathisi se-refractive, inombolo ye-Abbe, i-transmittance, i-reflection), iimpawu ezibonakalayo (ubunzima, ukuguqulwa, umxholo we-bubble, umlinganiselo we-Poisson), kunye neempawu zokushisa (i-coefficient yokwandisa i-thermal, ubudlelwane phakathi kwe-refractive index kunye nobushushu) bezinto ezibonakalayo Zonke ziya kuchaphazela iimpawu ze-optical materials.Ukusebenza kwamacandelo optical kunye neenkqubo.Eli nqaku liza kwazisa ngokufutshane izinto eziqhelekileyo ezibonakalayo kunye neempawu zazo.
Izinto ezibonakalayo zohlulwe ikakhulu zibe ngamacandelo amathathu: iglasi ye-Optical, ikristale ebonakalayo kunye nezixhobo ezikhethekileyo zokukhanya.

a01 Iglasi yeOptical
Iglasi ye-Optical yi-amorphous (iglasi) i-optical medium material enokuhambisa ukukhanya.Ukukhanya okudlula kuyo kunokutshintsha indlela yokusabalalisa, isigaba kunye nobukhulu.Ngokuqhelekileyo isetyenziselwa ukuvelisa izinto ezibonakalayo ezifana neeprism, iilensi, izibuko, iifestile kunye nezihlungi kwizixhobo zokukhanya okanye iinkqubo.Iglasi ye-Optical inokukhanya okuphezulu, ukuzinza kweekhemikhali kunye nokufana komzimba kwisakhiwo kunye nokusebenza.Ineendawo ezithile ezichanekileyo nezichanekileyo.Kwiqondo eliphantsi lobushushu obuqinileyo, iglasi ye-optical igcina isakhiwo se-amorphous somgangatho ophezulu wokushisa kwamanzi.Ngokufanelekileyo, iimpawu zangaphakathi zomzimba kunye neekhemikhali zeglasi, ezifana ne-refractive index, i-coefficient yokwandisa i-thermal, ukuqina, ukuhanjiswa kwe-thermal, ukuhanjiswa kombane, i-modulus elastic, njl., ziyafana kuzo zonke iindlela, ezibizwa ngokuba yi-isotropy.
Abavelisi abaphambili beglasi yokukhanya babandakanya iSchott yaseJamani, iCorning yaseUnited States, iOhara yaseJapan, kunye neChengdu Guangming Glass (CDGM) yasekhaya, njl.

b
Isalathiso se-refractive kunye ne-dispersion diagram

c
iigophe zesalathiso zeglasi yokubona

d
Iigophe zokuhambisa

02. Ikristale yamehlo

e

Ikristale ye-Optical ibhekisa kwizinto zekristale ezisetyenziswa kwimidiya ye-optical.Ngenxa yeempawu zokwakheka kweekristale zamehlo, inokusetyenziswa ngokubanzi ukwenza iifestile ezahlukeneyo, iilensi, kunye neeprism ze-ultraviolet kunye ne-infrared applications.Ngokwesakhiwo sekristale, inokwahlulwa ibe yikristale enye kunye ne-polycrystalline.Izinto zekristale enye zinengqibelelo ephezulu yekristale kunye nokuhanjiswa kokukhanya, kunye nokulahleka kwegalelo eliphantsi, ke iikristale ezingatshatanga zisetyenziswa ikakhulu kwiikristale zamehlo.
Ngokukodwa: Izinto eziqhelekileyo ze-UV kunye ne-infrared crystal materials ziquka: i-quartz (SiO2), i-calcium fluoride (CaF2), i-lithium fluoride (LiF), ityuwa yelitye (NaCl), i-silicon (Si), i-germanium (Ge), njl.
Iikristale ze-polarizing: Iikristale ezisetyenziswa ngokuqhelekileyo zibandakanya i-calcite (CaCO3), i-quartz (SiO2), i-nitrate ye-sodium (i-nitrate), njl.
Ikristale yeAchromatic: Iimpawu ezikhethekileyo zokusasazwa kwekristale zisetyenziselwa ukwenza iilensi zenjongo ye-achromatic.Ngokomzekelo, i-calcium fluoride (i-CaF2) idibaniswe neglasi ukwenza inkqubo ye-achromatic, enokuphelisa i-spherical aberration kunye ne-secondary spectrum.
Ikristale yeLaser: isetyenziswa njengezinto zokusebenza kwi-laser-state lasers, njengeruby, calcium fluoride, neodymium-doped yttrium aluminiyam garnet crystal, njl.

f

Izinto zekristali zohlulwe ngokwendalo kwaye zikhuliswe ngokwenziwa.Iikristale zendalo zinqabile kakhulu, kunzima ukukhula ngokuzenzela, zilinganiselwe ngobukhulu, kwaye zineendleko.Ngokuqhelekileyo kuqwalaselwa xa izinto zeglasi zingonelanga, zinokusebenza kwibhendi yokukhanya engabonakaliyo kwaye isetyenziswe kwi-semiconductor kunye ne-laser industries.

03 Imathiriyeli ekhethekileyo yamehlo

g

a.Iglasi-i-ceramic
I-Glass-ceramic yinto ekhethekileyo ye-optical material engeyiyo iglasi okanye i-crystal, kodwa kwenye indawo phakathi.Umahluko omkhulu phakathi kweglasi-i-ceramic kunye neglasi eqhelekileyo ye-optical kubukho be-crystal structure.Inokwakheka kwekristale ecolekileyo kuneceramic.Ineempawu zokwandiswa kwe-thermal ephantsi, amandla aphezulu, ubunzima obuphezulu, ubuninzi obuphantsi, kunye nokuzinza okuphezulu kakhulu.Isetyenziswa ngokubanzi ekusetyenzweni kweekristale ezisicaba, izinti ezisemgangathweni zemitha, izibuko ezikhulu, i-laser gyroscopes, njl.

h

I-coefficient yokwandisa i-thermal ye-microcrystalline optical materials inokufikelela kwi-0.0±0.2×10-7/℃ (0~50℃)

b.Isilicon Carbide

i

I-silicon carbide yimathiriyeli ye-ceramic ekhethekileyo ekwasetyenziswa njengezinto ezibonakalayo.I-Silicon carbide inokuqina okulungileyo, i-coefficient ephantsi yokuguqulwa kwe-thermal, ukuzinza okugqwesileyo kwe-thermal, kunye nesiphumo esibalulekileyo sokunciphisa ubunzima.Ithathwa njengeyona nto iphambili yezibuko ezinobungakanani obukhulu kwaye isetyenziswa kakhulu kwi-aerospace, iilaser ezinamandla amakhulu, iisemiconductors kunye namanye amacandelo.

Ezi ndidi zezinto ezibonakalayo zinokubizwa ngokuba yi-optical media materials.Ukongeza kwiindidi eziphambili zemathiriyeli ye-optical media, imathiriyeli yefiber optical, imathiriyeli yefilimu ebonakalayo, imathiriyeli yekristale engamanzi, imathiriyeli yokukhanya, njl.Ukuphuhliswa kobuchwephesha be-optical akunakwahlulwa kwi-teknoloji ye-optical material.Sijonge phambili kwinkqubela phambili yobuchwepheshe bezinto ezibonakalayo zelizwe lam.


Ixesha lokuposa: Jan-05-2024