Lense ea High Purity SiC Optical ea Cubic 4H-semi 6SP Boholo bo Ikhethileng

Lense ea High Purity SiC Optical ea Cubic 4H-semi 6SP Size e Ikhethileng Setšoantšo se Hlahisitsoeng

Tlhaloso e Khutšoanyane:

Lilense tsa SiC (lilense tsa optical tsa silicon carbide) ke likarolo tsa optical tse nepahetseng tse entsoeng ka silicon carbide e hloekileng haholo (SiC), e fanang ka thepa e ikhethang ea fisik'hemik'hale le ts'ebetso ea optical. Li tšoauoa ka conductivity ea mocheso e phahameng haholo (490 W/m·K), coefficient e tlase ea katoloso ea mocheso (4.0×10⁻⁶/K), le botsitso bo ikhethang ba tikoloho, lilense tsa SiC e se e le khetho e ntle ka ho fetisisa bakeng sa litsamaiso tsa optical tse sebetsang maemong a feteletseng. Lilense tsena li bontša ts'ebetso e ntle ea phetisetso (phetisetso e sa koaheloang >70%) ho pholletsa le ultraviolet ho ea hole-infrared wavelengths (0.2-6 μm), e leng se etsang hore li tšoanelehe haholo bakeng sa litsamaiso tsa laser tse matla haholo, optics ea sebaka, le litšoantšo tsa optical libakeng tse thata tsa indasteri.

Ts'ebetso ea tlhahiso ea lilense tsa SiC e kenyelletsa ho sila ka nepo, ho bentša ka nepo haholo, le mekhoa e khethehileng ea ho roala ho fihlela libaka tsa mahlo tse nang le ho nepahala ha nanoscale (ho rarahana ha bokaholimo <1 nm). Li-geometri tse ikhethileng ho kenyeletsoa libaka tsa aspheric le tsa freeform li ka etsoa ho fihlela litlhoko tsa moralo oa litsamaiso tsa mahlo tse nang le ho nepahala ho hoholo.

Romella imeile ho rona

Likaroloana

Litšobotsi tsa Lense ea Optical ea SiC

1. Bophahamo ba Lintho tse Bonahalang

Ho Ikamahanya le Tikoloho ka ho Feteletseng: E mamella mocheso o fetang 1500°C, mafome a matla a asiti/alkali, le mahlaseli a matla a mangata, a loketseng bakeng sa difofane tsa sepakapaka le tsa nyutlelie.

Matla a Ikhethang a Mechine: Bothata bo batlang bo le haufi le daemane (Mohs 9.5), matla a ho kobeha >400 MPa, le khanyetso ea tšusumetso e fetang khalase ea optical e tloaelehileng haholo.

Ho Tsitsa ha Thempereichara: Ho tsamaisa mocheso ho 100× ho feta silika e kopantsoeng, ka CTE feela 1/10 ea khalase e tloaelehileng, ho netefatsa botsitso tlas'a potoloho e potlakileng ea mocheso.

2. Melemo ea Tshebetso ea Optical

Phetiso e pharaletseng ea spectral (0.2-6 μm); liaparo tse khethehileng li ka ntlafatsa phetiso ho fihlela ho >95% ka lihlopha tse itseng (mohlala, 3-5 μm bohareng ba IR).

Tahlehelo e tlase ea ho hasanya (<0.5%/cm), qetello ea bokaholimo ho fihlela ho 10/5 standard-epig, le ho batalla ha bokaholimo ke λ/10@633 nm.

Moeli o phahameng oa tšenyo e bakoang ke laser (LIDT) >15 J/cm² (1064 nm, 10 ns pulses), o loketse litsamaiso tse nang le matla a phahameng a ho tsepamisa maikutlo ho laser.

3. Bokgoni ba ho Sebetsa ka ho Nepahala

E tšehetsa libaka tse rarahaneng (tse sephara, tse sa fetoheng) ka ho nepahala ha sebopeho <100 nm PV le bohareng <1 arcmin.

E khona ho etsa lilense tse kholo tsa SiC (bophara ba >500 mm) bakeng sa litheleskoupo tsa linaleli le optics ea sebaka.

Litšebeliso tsa Motheo tsa Lense ea Optical ea SiC

1. Space Optics le Tšireletso

Lilense tsa ho lemoha tse hole tsa sathelaete le optics ea telescope ea sebaka, tse sebelisang thepa e bobebe ea SiC (botebo ba 3.21 g/cm³) le khanyetso ea mahlaseli.

Lifensetere tsa mahlo tse batlang dimisaele, tse futhumatsang moeeng (>1000°C) nakong ya ho fofa ha hypersonic.

2. Mekhoa ea Laser e Matla a Phahameng

Lilense tse shebaneng le lisebelisoa tsa ho seha/ho tjheseletsa ka laser ea indasteri, tse bolokang ho pepesehela laser e tsoelang pele ea sehlopha sa kW nako e telele.

Dikarolo tse bopang mahlasedi ditsamaisong tsa ho kopanya dikobo tsa inertial confinement (ICF), tse netefatsang phetiso e nepahetseng ya laser e nang le matla a mangata.

3. Tlhahiso ea Semiconductor le Precision

Lisebelisoa tsa seipone tsa SiC bakeng sa li-optics tsa lithography tsa EUV, tse nang le phetoho ea mocheso <1 nm ka tlase ho 10 kW/m².

Lilense tsa motlakase bakeng sa lisebelisoa tsa tlhahlobo ea e-beam, tse sebelisang conductivity ea SiC bakeng sa taolo e sebetsang ea mocheso.

4. Tlhahlobo ea Liindasteri le Matla

Lilense tsa endoscope bakeng sa lionto tse nang le mocheso o phahameng (ts'ebetso e tsoelang pele ea 1500°C).

Likarolo tsa mahlo tsa infrared bakeng sa lisebelisoa tsa ho rema oli hantle, tse hanelang khatello ea ho theohela tlaase (>100 MPa) le mecha ea phatlalatso e senyang.

Melemo ea Bohlokoa ea Tlhōlisano

1. Boetapele bo Felletseng ba Tshebetso
Lilense tsa SiC li feta thepa ea setso ea optical (fused silica, ZnSe) ka botsitso ba mocheso/mechanical/chemical, ka thepa ea tsona ea "conductivity e phahameng + katoloso e tlase" e rarollang liphephetso tsa ho fetoha ha mocheso ho optics e kholo.

2. Ho Boloka Litšenyehelo tsa Potoloho ea Bophelo
Leha ditjeo tsa pele di le hodimo, nako e telele ya tshebeletso ya dilense tsa SiC (khalase e tlwaelehileng ya 5-10×) le tshebetso e sa hlokeng tlhokomelo di fokotsa haholo ditjeo tsohle tsa beng (TCO).

3. Tokoloho ea Moralo
Mekhoa e kopantsoeng le karabelo kapa CVD e nolofalletsa dibopeho tse bobebe tsa mahlo tsa SiC (li-core tsa mahe a linotši), e fihlella dikarolelano tse sa bapisoeng tsa ho tiea-ho-boima.

Bokhoni ba Tšebeletso ea XKH

1. Litšebeletso tsa Tlhahiso ea Meetlo

Litharollo tsa ho tloha qetellong ho isa qetellong ho tloha moralo oa mahlo (Zemax/Code V simulation) ho isa ho phano ea ho qetela, tse tšehetsang libaka tse lokolohileng tsa parabolic tse sa fetoheng/tse sa sebetseng hantle.

Liaparo tse khethehileng: anti-reflection (AR), carbon e kang daemane (LIDT>50 J/cm²), ITO e tsamaisang motlakase, jj.

2. Mekhoa ea Netefatso ea Boleng

Lisebelisoa tsa Metrology ho kenyeletsoa le li-interferometer tsa 4D le li-profile tsa mabone a masoeu tse netefatsang ho nepahala ha bokaholimo ba λ/20.

QC ea boemo ba thepa: Tlhahlobo ea tataiso ea kristale ea XRD bakeng sa sekheo se seng le se seng sa SiC.

3. Litšebeletso tse Ekelitsoeng Boleng

Tlhahlobo ea ho kopanya sebopeho sa thermo-structural (simulation ea ANSYS) bakeng sa ho bolela esale pele ts'ebetso.

Moralo o kopaneng oa ntlafatso ea sebopeho sa ho kenya lense ea SiC.

Qetello

Lilense tsa SiC li ntse li hlalosa bocha meeli ea ts'ebetso ea litsamaiso tsa optical tse nepahetseng haholo ka thepa ea tsona e sa bapisoeng le e 'ngoe ea thepa. Bokhoni ba rona bo kopantsoeng ka ho otloloha ho kopanyeng thepa ea SiC, ho sebetsa ka nepo le ho leka bo fana ka litharollo tsa optical tse nchafalitsoeng bakeng sa mafapha a lifofane le a tsoetseng pele a tlhahiso. Ka tsoelo-pele kholong ea kristale ea SiC, nts'etsopele ea nakong e tlang e tla shebana le masoba a maholo (>1m) le li-geometries tse rarahaneng haholoanyane tsa bokaholimo (li-arrays tse sa fetoheng).

Jwalo ka moetsi ya ka sehloohong wa dikarolo tse tswetseng pele tsa mahlo, XKH e ikgethile ka thepa e sebetsang hantle ho kenyeletswa safire, silicon carbide (SiC), le di-wafer tsa silicon, e fanang ka ditharollo tsa ho tloha qalong ho isa qetellong ho tloha tshebetsong ya thepa e tala ho isa ho phethelong e nepahetseng. Bokgoni ba rona bo akaretsa:

1. Tlhahiso e Ikhethileng: Ho sebetsa ka nepo ha li-geometri tse rarahaneng (tse sa fetoheng, tse sa fetoheng) ka mamello ho fihlela ho ± 0.001mm

2. Ho feto-fetoha ha thepa: Ho sebetsana le safire (mafensetere a UV-IR), SiC (optics e matla haholo), le silicon (IR/micro-optics)

3. Litšebeletso tse Ekelitsoeng Boleng:

Liaparo tse sa boneseng/tse tšoarellang (UV-FIR)

Netefatso ea boleng e tšehelitsoeng ke Metrology (λ/20 flatness)

Kopano ea kamore ea ho hlwekisa bakeng sa lits'ebetso tse amehang ke tšilafalo

Re sebeletsa indasteri ea lifofane, li-semiconductor le laser, re kopanya boiphihlelo ba saense ea thepa le tlhahiso e tsoetseng pele ho fana ka li-optics tse mamellang maemo a feteletseng ha re ntse re ntlafatsa ts'ebetso ea mahlo.