Lenzi ya Silicon (Si) Infrared yokhala ndi IR Anti-Reflection Coating
Chithunzi Chatsatanetsatane
Chiyambi Lens ya Si
Magalasi a infrared a Silicon (Si) okhala ndi IR anti-reflection coatingNdi zida zowunikira zolondola zomwe zimapangidwa kuti zigwiritsidwe ntchito pamakina owonera a infrared omwe amafunikira mphamvu yotumizira ma transmissions ambiri, kukhazikika kwa kutentha, komanso kudalirika kwa makina. Pogwiritsa ntchito silicon imodzi ya kristalo ya optical-grade single crystal ndi ukadaulo wapamwamba wa infrared coating, magalasi awa amakonzedwa kuti achepetse kutayika kwa kuwala ndikuwonjezera magwiridwe antchito a dongosolo mu ntchito zovuta za infrared.
Chifukwa cha mawonekedwe ake okhazikika a infrared transmission komanso makhalidwe ake abwino kwambiri, silicon yakhala chinthu chogwiritsidwa ntchito kwambiri popanga ma infrared optical designs. Akaphatikizidwa ndi IR AR coating yokonzedwa bwino, magalasi a silicon amapereka njira yotsika mtengo komanso yogwira ntchito kwambiri pamakina amakono ojambulira ndi kumva ma infrared.
Makhalidwe a Zinthu ndi Ubwino wa Magwiridwe Abwino a Si Lens
Silicon imasonyeza kufalikira kwa infrared kosalekeza mkati mwa1.2–8 μmkutalika kwa mafunde ndipo ndi koyenera kwambiri3–5 μm (MWIR)ntchito zake. Kapangidwe kake ka thupi kamalola magalasi a silicon kusunga kukhazikika kwa kuwala ndi makina ngakhale pakakhala zovuta pakugwira ntchito.
Ubwino waukulu wa zinthu ndi monga:
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Kutentha kwambiri kuti kutentha kutayike bwino
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Mphamvu yamphamvu yamakina komanso kukana kutentha
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Kulemera kochepa poyerekeza ndi germanium, zomwe zimathandiza kupanga dongosolo laling'ono
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Kukhazikika kwabwino kwa chilengedwe ndi mankhwala
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Kugwirizana ndi njira zolondola zopangira kuwala
Makhalidwe amenewa amachititsa kuti magalasi a silicon akhale chisankho chabwino kwambiri cha makina a infrared omwe ayenera kugwira ntchito modalirika kwa nthawi yayitali kapena m'malo otentha osinthasintha.
Lens ya Si yophimba ya infrared Anti-Reflection
Popeza silicon ili ndi refractive index yayikulu, malo osaphimbidwa amatha kubweretsa kutayika kwakukulu kwa kuwala. Pofuna kuthana ndi izi,zokutira za infrared zotsutsana ndi kuwunikiraamagwiritsidwa ntchito pamwamba pa lens kuti awonjezere mphamvu ya kuwala.
Chophimba cha IR AR chapangidwa kuti:
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Chepetsani kuwunikira kwa Fresnel pama interface a silicon-air
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Wonjezerani kufalikira kogwira mtima kudutsa gulu la infrared lomwe mukufuna
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Sinthani kumveka bwino kwa chithunzi, kusiyanitsa, komanso kuzindikira bwino
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Pewani kuwunikira kosochera mkati mwa misonkhano ya optical
Mapangidwe ophikira amatha kukonzedwa bwino kuti agwirizane ndi kutalika kwa mafunde monga3–5 μm (MWIR) or 8–12 μm (LWIR), komanso magulu a infrared omwe amafotokozedwa malinga ndi zofunikira za dongosolo.
Kapangidwe ka Maso ndi Kupanga Zinthu Kusinthasintha kwa Lens ya Si
Magalasi a silicon infrared okhala ndi IR AR coating amapezeka m'mitundu yosiyanasiyana ya mawonekedwe kuti athandizire mapangidwe osiyanasiyana a makina:
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Magalasi okhala ndi mawonekedwe ozungulira, ozungulira, ozungulira, ndi ozungulira awiri
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Ma geometri ozungulira komanso ozungulira mwamakonda
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Chophimba cha mbali imodzi kapena ziwiri cha IR choletsa kuwunikira
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Kupukuta bwino kwambiri kuti nkhope ikhale yolimba komanso yowongoka
Njira zopangira zimayendetsedwa mosamala kuti zitsimikizire kuti kutalika kwa focal kuli kofanana, kulondola kwa pamwamba, komanso magwiridwe antchito a kupaka. Mapangidwe apadera amathandizidwa kuti agwirizane ndi kukula, makulidwe, kupindika, kulolerana, ndi mawonekedwe a kupaka.
Madera Ogwiritsira Ntchito
Magalasi a silicon okhala ndi IR anti-reflection coating amagwiritsidwa ntchito kwambiri mu:
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Kujambula zithunzi za kutentha ndi makina owonera a infrared
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Zipangizo zozindikira ndi kuyeza kutentha kwa infrared
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Zipangizo zowunikira ndi kuwunika mafakitale
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Kujambula zithunzi za infrared ndi zida za labotale
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Makina operekera ma laser a infrared ndi ma transmission optical
Kugwira ntchito bwino komanso kulimba kwawo kumapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito m'mafakitale komanso m'mafakitale.
Mafotokozedwe Aukadaulo - Lens ya Silicon (Si) yokhala ndi IR Anti-Reflection Coating
| Chizindikiro | Kufotokozera |
|---|---|
| Zinthu Zofunika | Silikoni Yoyera Yokha ya Crystal (Si) |
| Mtundu wa Ma Transmission | 1.2 – 8 μm |
| Mzere Wogwiritsira Ntchito Wamba | 3 – 5 μm (MWIR) |
| Chosankha Chophimba | 8 - 12 μm (LWIR), Ma IR Bands Opangidwa Mwamakonda |
| Chizindikiro Chowunikira | ~3.42 @ 3.9 μm |
| Mtundu wa Lenzi | Plano-Convex / Bi-Convex / Plano-Concave / Bi-Concave |
| Chithunzi Chapamwamba | ≤ λ/10 @ 3.39 μm (yomwe ikupezeka mwamakonda) |
| Ubwino Wapamwamba | 60/40 kapena 40/20 (Kukanda/Kukumba) |
| Kulekerera kwa m'mimba mwake | ± 0.02 mm (yopezeka mwamakonda) |
| Kulekerera kwa Makulidwe a Pakati | ± 0.02 mm |
| Chitseko Choyera | ≥ 90% ya m'mimba mwake |
| Kuuma kwa pamwamba | ≤ 5 nm RMS |
| Mtundu Wokutira wa AR | Chophimba cha Infrared Anti-Reflection (IR AR) |
| Kapangidwe ka Kuphimba | Gulu limodzi kapena gulu lambiri la IR AR |
| Kuwunikira Kwapakati (Ravg) | ≤ 1.0% pa malo aliwonse (mawonekedwe a nthawi) |
| Mbali Zophimba | Mbali imodzi kapena Mbali ziwiri |
| Kutentha kwa Ntchito | -40 °C mpaka +200 °C |
| Kutentha kwa Matenthedwe | ~150 W/m·K |
| Kuchulukana | ~2.33 g/cm³ |
| Kukhazikika kwa Zachilengedwe | Giredi ya Mafakitale |
| Kusintha | Kukula, kutalika kwa focal, tolerances, kupaka komwe kulipo |
Mafunso Ofunsidwa Kawirikawiri - Lens ya Silicon (Si) yokhala ndi IR Anti-Reflection Coating
1. Kodi silicon ndi mtundu wanji wa kutalika kwa mafunde womwe ungagwiritsidwe ntchito mu infrared?
Magalasi a Silicon amapereka njira yabwino yotumizira ma infrared1.2–8 μmkuchuluka kwa ma wavelength ndipo amagwiritsidwa ntchito kwambiri mu3–5 μm (MWIR)gulu. Silicon siilimbikitsidwa kugwiritsidwa ntchito pooneka kapena pafupi ndi kuwonekera chifukwa chakuti imafalikira pang'ono m'madera amenewo.
2. N’chifukwa chiyani IR anti-reflection coating ndi yofunika pa magalasi a silicon?
Silicon ili ndi chizindikiro cha refractive index chapamwamba, chomwe chimapangitsa kuti pamwamba pa magalasi osaphimbidwa ndi kuwala kuwonekere kwambiri.Chophimba cha IR choletsa kuwunikira (AR)imachepetsa kutayika kwa kuwala kumeneku, imawonjezera kutumiza konse, komanso imawongolera kusiyana kwa chithunzi ndi chiŵerengero cha chizindikiro ndi phokoso m'makina owonera a infrared.
3. Kodi ndi mikanda iti ya kutalika kwa mafunde a infrared yomwe chophimba cha AR chingapangidwe?
Chophimba cha IR AR chingakonzedwe bwino kuti chigwirizane ndi mitundu yosiyanasiyana ya mafunde, kuphatikizapo:
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3–5 μm (MWIR)
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8–12 μm (LWIR)
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Magulu a mafunde a infrared omwe amapangidwa mwamakonda akafunsidwa
Kugwira ntchito kwa kupaka utoto kungasinthidwe kuti kugwirizane ndi zofunikira zinazake za dongosolo.
Zambiri zaife
XKH imagwira ntchito kwambiri pakupanga, kupanga, ndi kugulitsa magalasi apadera a kuwala ndi zinthu zatsopano zamakristalo. Zogulitsa zathu zimapereka zinthu zamagetsi, zamagetsi, ndi zankhondo. Timapereka zinthu za Sapphire optical, zophimba ma lens a foni yam'manja, Ceramics, LT, Silicon Carbide SIC, Quartz, ndi ma crystal wafers a semiconductor. Ndi ukatswiri waluso komanso zida zamakono, timachita bwino kwambiri pokonza zinthu zosakhazikika, cholinga chathu ndi kukhala kampani yotsogola kwambiri yaukadaulo wamagetsi.














