Ma Lens a Silicon aku China (Si lens) opangira ndi kupanga ma infrared

Lenzi ya Silicon (Lenzi ya Si) ya Mapulogalamu a Infrared Chithunzi Chowonetsedwa

Magalasi a Silicon (Si lens) a Mapulogalamu a Infrared

Infrared ya kutalika kwa mafundeimapereka lenzi ya silicon m'makulidwe otchuka kuyambira 10mm mpaka 200 mm m'mimba mwake. Kukula kwa lenzi yoposa 200mm kungaperekedwenso ngati mungafune. Chophimba chathu chokhazikika cha AR ndi DLC ndi choyenera kwambiri pa bandeji ya 3-5 micron. Kutalika kwa ma lenzi athu kungawongoleredwe mpaka +/-1% kulekerera, kusalala kwa pamwamba pa λ/4 @ 632.8nm ndi kusakhazikika kwa pamwamba pa 0.5 micron.

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Lenzi ya silicon ndi lenzi yowala yopangidwa ndi silicon. Silicon (Si) ndi chinthu chopangidwa ndi kristalo chomwe chimagwiritsidwa ntchito kwambiri mu makina owonera a infrared omwe amagwira ntchito mu gulu la spectral la 3 mpaka 5µm. Chizindikiro chake cha refractive chili pafupi ndi 3.4 mu utali wonse. Ili ndi kachulukidwe kochepa pakati pa zinthu zodziwika bwino za infrared, zomwe ndi theka lokha la Ge, GaAs ndi ZnSe. Chifukwa chake zinthu za silicon ndi chisankho chabwino kwambiri pamakina omwe ali ndi nkhawa yolemera. Silicon ndi yolimba komanso yotsika mtengo kuposa zinthu zambiri zodziwika bwino za infrared, imachepetsa mtengo wa zinthuzo pomwe imawonjezera mtengo wopanga nthawi yomweyo.

Silikoni ndi yoyenera kugwiritsidwa ntchito pa MWIR koma chifukwa cha kuyamwa kwake kopitilira 6 micron, si yoyenera kugwiritsidwa ntchito pa LWIR. Ingagwiritsidwenso ntchito ngati galasi logwiritsira ntchito laser chifukwa cha kutentha kwake, kulemera kwake kopepuka, komanso kuuma kwake.

Mafunde a Infraredakhoza kupanga mawonekedwe osiyanasiyana a lenzi ya silicon ndimalo ozungulira, opindika, ozungulira, osasunthika komanso otambalala.Silicon ndi yotchuka kwambiri pamakina omwe amagwira ntchito m'dera la 3-5µm spectral, yokhala ndi zophimba zotsutsana ndi kuwala (AR coating), kufalikira kwapakati kumatha kufika pa 98%. Tithanso kugwiritsa ntchito diamond-like carbon coating (DLC coating) kapena high durable coating (HD coating) pamwamba pa lens kuti tipewe kukanda ndi kugwedezeka.

Infrared ya kutalika kwa mafundeAmapanga ma lens a silicon abwino kwambiri ozungulira komanso a aspheric. Amatha kuyang'ana kapena kusiyanitsa kuwala komwe kukubwera kuti akwaniritse zofunikira za infrared system.

Mafotokozedwe:

Zinthu Zofunika	Silikoni(Si)
M'mimba mwake	10mm-300mm
Mawonekedwe	Yozungulira kapena Aspheric
Kutalika kwa focal	+/-1%
Kuchepetsa mphamvu	<1'
Chithunzi cha pamwamba	<λ/4 @ 632.8nm (Pamwamba pozungulira)
Kusakhazikika kwa pamwamba	< 0.5 micron (Pamwamba pa Aspheric)
Chitseko Choyera	>90%
Kuphimba	AR kapena DLC