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Shortwave Infrared (SWIR) Hoto Yana Taimakawa Binciken Laser, Ganewa

Shortwave Infrared (SWIR) Hoto Yana Taimakawa Binciken Laser, Ganewa

Yayin da yake-yake ke kara samun daidaito, fararen hula da sauran wadanda ba mayakan ba sun zama kaso mafi girma na wadanda suka mutu, tare da barnatar dukiyoyi da ba a yi niyya ba.Sojoji, ba shakka, suna fatan kauce wa irin wadannan hasarar rayuka da halaka.Tare da ci gaba da fasaha waɗanda ke ba da ƙarin daidaito daga makamansu, suna kuma buƙatar mafi kyawun nuni da iya kai hari, yayin da suke ɓoye.Ingantattun fasahohin niyya waɗanda ke ba da damar ganowa da ganowa a nesa mai tsayi daga masu ƙira kuma ana buƙatar su.Alal misali, lasers suna da kyau a madaidaicin nuni, amma yana da mahimmanci cewa wasu su iya ɗaukar hoto a ɓoye.

Don magance waɗannan ƙalubalen da aka yi niyya, sojoji sun yi amfani da na'urori masu linzami wanda ke ba su damar ba da damar ba kawai zayyana abin da ya kamata a kai hari ba, amma don amfani da waɗannan laser iri ɗaya don auna nisa zuwa wurin da ake hari, haskaka yankin da ke kewaye, ko nuna wa wasu wani abu. na sha'awa.Ganin inda lasers ke nunawa, bin diddigin maƙasudi masu motsi, da rage girman lalacewa na buƙatar tsarin hoto wanda ke ganin laser masu aiki da ake amfani da su a fagen.Kyamarar indium gallium arsenide (InGaAs) mai zafin jiki yana ba masu amfani wannan damar a yanayin rana ko dare.

Yawancin almubazzaranci masu jagorancin Laser ana sarrafa su ta hanyar laser tare da tsawon 1.06 μm.Waɗannan lasers ɗin suna da ƙarfi sosai kuma ana iya amfani da su don nunawa abubuwa masu nisa da yawa.An iyakance nisa sosai ta yadda daidaitaccen mai amfani zai iya ganin abin da yake zayyana.Wannan ya haɗa da tabo na Laser, manufa, da abubuwan da ke kewaye da manufa.A halin yanzu, yawancin tsarin suna amfani da indium antimonide (InSb) mai ganowa don yin hoton wurin.Waɗannan tsarin InSb suna da bakin ciki don ba da damar amsawa zuwa tsayin igiyoyin Laser na 1.0 μm, wanda ya yi nisa ƙasa da kewayon ji na InSb na yau da kullun (tsakanin 3 da 5 μm).Ana amfani da wannan kewayon don babban aikace-aikacen sa azaman mai gano yanayin zafi na IR na tsakiya.

InSb kyamarori suna ba da damar ganin laser infrared kuma suna ba da wayar da kan halin da ake ciki a kusa da wurin laser saboda fitar da yanayin zafi.Ƙarƙashin waɗannan tsarin shine cewa mai ganowa yana buƙatar mahimmancin sanyaya (har zuwa 77K) kuma hankalin su ga laser 1.06-μm ba shi da kyau, saboda 70% da kuma yanayin zafin jiki.Suna ba da damar ɗaukar hoto na laser a mafi girman nisa tare da tsarin haske mai yawa.

Shortwave Infrared (SWIR) Hoto Yana Taimakawa Binciken Laser, Ganewa

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Ana amfani da Laser ba kawai don jagorantar alburusai zuwa ga manufarsu ba, har ma suna iya ba wa mayaƙan yaƙin bayanai game da abin da ake hari da kewaye.Masu gano kewayon Laser suna ba mai amfani damar tantance nisa zuwa manufa.Waɗannan lasers yanzu suna amfani da kusan tsawon zangon 1.5-μm.Ana ɗaukar wannan tsayin daka a matsayin “mai-lafiya ido” saboda kuzarin baya mayar da hankali kan idon ido, kuma ƙarfin gani da ake buƙata don makantar da wani da Laser ya buge yana da yawa sosai.Wadannan lasers ba sa iya gani ga tabarau na hangen nesa na dare (NVGs) da kuma ido, don haka ya sa su zama abin rufewa.Amfanin shine cewa makasudin bai san ana yi musu alama ta hanyar laser ba;Babban abin da ya rage shi ne, mayaƙin kuma yana da matsala wajen sanin ko an nufa shi daidai.Saboda InGaAs kuma yana da matukar damuwa ga lasers masu aminci na ido, ana tura kyamarorin SWIR na InGaAs don haka mayaƙan yaƙi za su iya tabbatar da cewa har yanzu ana ganin tsarin da suka yi niyya daidai, ko da tsarin an kulle shi a filin.

Laser da aka fi sani da shi a fagen fama shi ne wanda aka makala da bindigar soja, kuma yawanci yana amfani da tsayin daka kusan 850 nm.Sojoji ne ke amfani da wannan ma’anar laser don nuna wa juna hari, da kuma taimakawa wajen harba bindigoginsu da daddare lokacin da suke sanye da NVGs.Waɗannan lasers ɗin ba su ganuwa ga ɗan adam, amma ana iya gani ga tabarau.Laser na bindiga ba su da lafiyan ido kuma ana iya gano su ta amfani da wasu nau'ikan fasahar ganowa da yawa, tsoho da sababbi.Babbar matsalar ita ce, yayin da mayaƙin ya buƙaci mafi kyawun NVGs don ganin gaba kuma a lokutan duhu a cikin dare, maƙiyi cikin sauƙi na iya gano lasers tare da fasahar hangen nesa na dare mara tsada.Masu daukar hoto na InGaAs suna da fa'ida ta musamman na kasancewa duka biyu masu jituwa a baya, yayin da suke ɗaukar tsoffin lasers da aka yi amfani da su tare da NVGs, ƙari kuma suna iya ɗaukar hoto “amincin ido” da tsarin laser na gaba.

Kyamara ta SWIR ɗaya wacce aka ƙirƙira ta musamman don Motsi na Sojan Amurka da Tsarin Targeting Bindigo, KTX KTX kyamarar SUI tana da fa'ida mai girma a cikin kewayon tsayin 900 zuwa 1700 nm kuma ana iya amfani dashi a cikin nau'ikan ayyuka masu ƙarancin haske, gami da Laser. ganowa.Tare da faɗin kewayon hoto mai ƙarfi a cikin ɗan ƙaramin tauraro zuwa hasken rana kai tsaye, mai ɗaukar hoto na SWIR ya dace don sa ido a ɓoye kuma ana iya haɗa shi cikin sauƙi cikin UAVs, motocin ƙasa marasa matuƙa, ko wasu na'urori na mutum-mutumi ko na hannu inda girma da nauyi ke da mahimmanci.

A cikin tsarin zane na zamani na gaba, Laser ba wai kawai zai tantance nisan abin da ake niyya ba, watau masu gano kewayon Laser, amma za su ba da damar daukar hoto mai tsayi ta hanyar hazo, hazo, da kura.LADAR da kewayon hoto suna amfani da Laser don haskaka manufa a nesa mai nisa.Wannan tsayin tsayin daka ya baiwa mayakan damar gano inda aka kai hari a cikin dogon zango a duk wani yanayi mai haske har ma ta hazo da hayaki.

Yawancin tsarin da ke ƙarƙashin ci gaba suna amfani da laser 1.5-μm don dalilai na kare lafiyar ido kuma saboda su ma suna ɓoye ga fasahar NVG na yanzu, wanda ya yadu cikin hannayen abokan gaba.Yawancin waɗannan tsarin na gaba na gaba ana haɓaka su tare da tsararrun InGaAs-zazzabi don adana nauyi, iko, da girma akan tsarin.Waɗannan abubuwan haɓakawa suna haɗuwa tare da manyan abubuwan da suka dace na masu gano InGaAs-SWIR, suna ba da ingantaccen aiki tare da mafi aminci yanayi ga mai amfani na ƙarshe da kuma maras laifi.

Wannan labarin ya rubuta Dr. Martin H. Ettenberg, Darakta, Samfuran Hoto, da Doug Malchow, Manajan, Ci gaban Kasuwancin Kasuwanci a SUI (Sensors Unlimited, Inc.), wani ɓangare na Goodrich Corporation, Princeton, NJ.

 

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Lokacin Sabuntawa: Afrilu-01-2022