Kev Kho Kom Zoo Nkauj Sapphire Optical Windows High Purity Transmittance ≥90%

Kev Piav Qhia Luv:

Cov qhov rais sapphire optical yog cov khoom siv optical tshwj xeeb uas tsim los ntawm ib-siv lead ua txhuas oxide (Al₂O₃), uas paub txog lawv qhov kev ua tau zoo tshaj plaws optical, lub zog kho tshuab, thiab kev ruaj khov tshuaj lom neeg. Raws li cov siv lead ua oxide nyuaj tshaj plaws (Mohs hardness 9), cov qhov rais sapphire qhia txog kev xa tawm zoo heev (~ 83-85% tsis muaj txheej) hla ultraviolet (200nm) mus rau nruab nrab-infrared (5.5μm) spectra, ua rau lawv zoo tagnrho rau cov ntawv thov uas xav tau ob qho tib si pob tshab thiab ruaj khov.

Kev tsim khoom muaj cov txheej txheem tseem ceeb suav nrog kev loj hlob ntawm cov siv lead ua, kev txiav kom raug, kev txhuam nanoscale, thiab kev txheej tshwj xeeb. Cov txheej txheem loj hlob siab heev (piv txwv li, HEM lossis KY txoj kev) ua rau cov pob zoo nrog qhov tsis zoo tsawg (<10⁴/cm²). Cov qauv siv lead ua hexagonal tshwj xeeb ua rau muaj cov khoom anisotropic, nrog rau kev ua kom zoo tshaj plaws (C-axis, A-axis, lossis R-plane cuts) kho kom zoo nkauj rau cov ntawv thov tshwj xeeb.

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Cov yam ntxwv

Cov kev tsis sib xws

Khoom	Qhov Rai Kho Qhov Muag
Khoom siv	BK7, JGS1, UV Fused Silica, Sapphire thiab lwm yam
Qhov Loj	1 hli-300 hli
Kev kam rau siab ntawm qhov ntev	±0.05 hli
Qhov zoo ntawm qhov chaw	20-10 ~ 60-40
Qhov chaw tiaj tiaj	1/4 ~ 1/8
Qhov qhib meej	siab tshaj 90%
Txheej	200-4000nm
Daim Ntawv Thov	Laser, lub teeb transmittance, zaub, thiab lwm yam.

Cov Yam Ntxwv Tseem Ceeb

1. Kev Hloov Kho Ib Puag Ncig Zoo Kawg Nkaus
Cov qhov rais iav sapphire ua tau zoo heev nrog lub ntsiab lus yaj ntawm 2053 ° C, tswj kev ua haujlwm zoo hauv qhov chaw ua haujlwm tas mus li 1000 ° C. Qhov kev ruaj khov thermal no tau ua kom muaj los ntawm cov coefficient ultra-low ntawm thermal expansion (CTE) ntawm 5.3 × 10⁻⁶ / K raws C-axis, zoo dua li cov iav iav ib txwm muaj. Chemically, cov qhov rais iav sapphire ua rau pom kev tsis muaj zog, tiv taus txhua yam kua qaub muaj zog (tshwj tsis yog HF) thiab alkalis, ua rau lawv zoo tagnrho rau cov khoom siv ua tshuaj lom neeg thiab cov ntawv thov marine. Mechanically, cov qhov rais no muaj lub zog flexural tshaj 1000MPa (5-8 zaug muaj zog dua li cov iav iav ib txwm muaj) nrog kev tiv thaiv zoo heev.

2. Kev Ua Haujlwm Zoo ntawm Optical
Cov qhov rais kho qhov muag sapphire muab > 80% kev sib kis thoob plaws ntau yam spectral (200-5500nm ntawm 2 hli tuab). Los ntawm kev ua kom zoo tshaj plaws ntawm kev taw qhia siv lead ua (piv txwv li, C-axis perpendicular rau txoj kev teeb), cov teebmeem birefringence raug txo kom tsawg. Qhov zoo ntawm qhov chaw ua tau raws li qhov yuav tsum tau ua kom pom tseeb nrog λ / 10 flatness ntawm 633nm thiab qhov roughness ntawm qhov chaw <0.5nm RMS.

3. Kev Muaj Peev Xwm Tsim Khoom Siab Tshaj Plaws
Peb lub qhov rais sapphire optical txhawb nqa cov txheej txheem loj (> 300 hli txoj kab uas hla) thiab cov qauv geometries nyuaj suav nrog aspheric thiab stepped configurations. Cov thev naus laus zis tshwj xeeb ntug sealing ua tiav cov nqi xau <1 × 10⁻⁹Pa·m³ / s rau cov ntawv thov nqus tsev. Nrog cov txheej txheem zoo li pob zeb diamond (DLC), qhov laser-induced damage threshold (LIDT) ncav cuag 15J / cm² (1064nm, 10ns pulses).

Cov Ntawv Thov Tseem Ceeb

1. Kev Tiv Thaiv thiab Kev Ua Haujlwm Huab Cua
Cov qhov rais iav sapphire ua haujlwm ua lub domes foob pob hluav taws, tiv taus qhov kub hnyiab heev (>1000 ° C) thaum lub sijhawm ya hypersonic. Cov qauv qib chaw lav ntau tshaj 15 xyoo ntawm lub neej kev pabcuam orbital hauv kev siv spacecraft.

2. Khoom Siv Lag Luam
Hauv kev tsim cov khoom siv semiconductor, cov qhov rais sapphire optical ua haujlwm ua cov qhov pom kev uas tiv taus plasma hauv cov chaw etch thiab CVD. Cov endoscopes kub siab siv cov qhov rais no rau kev thaij duab meej hauv 1500 ° C qhov chaw ua kom sov.

3. Cov Cuab Yeej Tshawb Fawb
Cov qhov rais sapphire optical uas muaj cov khoom huv si (<5ppm impurities) txo qhov kev nqus X-ray hauv cov kab synchrotron beamlines. Lawv qhov nonlinearity qis ua rau femtosecond pulse fidelity nyob rau hauv cov tshuab laser ultrafast.

4. Cov Khoom Siv Lag Luam
Cov khoom siv hauv dej tob siv cov qhov rais sapphire optical uas ntsuas tau rau qhov tob 6000m (>60MPa). Cov koob yees duab ntawm xov tooj ntse muab cov qhov rais no ua cov ntaub thaiv kev tiv thaiv, siv lawv cov Mohs 9 tiv thaiv khawb kom ruaj khov dua.

Sapphire optical windows txuas ntxiv nthuav lawv daim ntawv thov los ntawm kev nce qib hauv kev ua cov ntaub ntawv loj, cov qauv geometries nyuaj, thiab cov yam ntxwv ua tau zoo dua, ua kom lawv txoj haujlwm ruaj khov ua cov khoom tseem ceeb thoob plaws cov lag luam high-tech.

Cov kev pabcuam XKH

XKH lub platform kev pabcuam dav dav sib txuas cov kev txawj ntse tsim khoom tshiab nrog kev txhawb nqa kev siv tshuab kom xa cov kev daws teeb meem sapphire optical window. Lub chaw tsim khoom tshwj xeeb muab cov txheej txheem kos duab nrog cov peev xwm hloov pauv cov ntaub ntawv 2D / 3D tag nrho, ua tiav los ntawm Kev Tsim Khoom Siv (DFM) kev pabcuam optimization uas txo cov kev pheej hmoo thiab cov nqi tsim khoom. Peb tswj hwm cov peev xwm ua prototyping ceev ceev hauv kev lag luam, xa cov qauv Φ100mm ua haujlwm hauv 5 hnub ua haujlwm kom nrawm cov voj voog tsim khoom. Kev kho mob siab heev suav nrog cov txheej txheem conductive precision nrog cov ntawv tiv thaiv tunable ntawm 10-1000Ω / □ rau EMI shielding daim ntawv thov, nrog rau cov yeeb yaj kiab tiv thaiv huab cua uas tswj hwm qhov pom tseeb hauv qhov chaw noo noo siab.

Cov kev pabcuam txhawb nqa kev siv tshuab muaj pab pawg kws ua haujlwm tshwj xeeb siv Zemax thiab CodeV optical simulation software los ua qauv rau kev ua haujlwm ntawm lub cev thiab kwv yees tus cwj pwm thermal/mechanical hauv qab kev ua haujlwm. Peb lub chaw kuaj mob khoom siv, nruab nrog scanning electron microscopy (SEM) thiab energy-dispersive X-ray spectroscopy (EDS), muab kev tshuaj xyuas qhov ua tsis tiav rau kev txhim kho kev ntseeg siab. Cov kev pabcuam pov thawj ib puag ncig suav nrog kev sim thermal cycling hnyav (-196 ℃ txog 800 ℃) thiab 500-teev ntsev tsuag raws li MIL-STD-810G cov qauv, ua kom ntseeg tau tias cov khoom siv ruaj khov hauv cov xwm txheej ua haujlwm hnyav.

Cov txheej txheem kev lees paub zoo siv cov khoom siv taug qab tag nrho los ntawm cov pob zeb siv lead ua kom tiav cov khoom tiav, nrog rau txhua qhov khoom muaj cov ntaub ntawv pov thawj tiav. Cov peev xwm ntsuas niaj hnub no suav nrog 4D theem-hloov pauv interferometry rau λ / 50 qhov tseeb ntawm qhov chaw, dawb-lub teeb interferometry ua tiav 0.1 nm qhov kev daws teeb meem ntawm qhov chaw roughness, thiab spectrophotometric tsom xam npog 190-3300nm spectral ntau yam rau kev sib kis / kev cuam tshuam tus cwj pwm.

Cov kev pabcuam ntxiv uas muaj nqis hais txog cov kev xav tau tshwj xeeb ntawm daim ntawv thov, suav nrog cov kev daws teeb meem sib xyaw ua ke nrog lub tshuab nqus tsev uas muaj cov npoo hlau nrog hermetic brazing rau cov tshuab nqus tsev ultra-high (UHV). Cov kev pabcuam tswj hwm Electrostatic discharge (ESD) kho qhov tsis kam ntawm qhov chaw ntawm 10⁶-10⁹Ω kom tiv thaiv kev sib sau ua ke ntawm cov nqi hauv cov cuab yeej rhiab heev. Tag nrho cov khoom raug ntim kawg hauv Chav Kawm 100 chav huv, nrog rau kev suav cov khoom me me thiab cov ntim khoom ci hauv lub tshuab nqus tsev rau cov kev xav tau kev huv ntawm semiconductor.