Dubawa
Ana amfani da na'urorin gani na polarization don canza yanayin polarization na hasken da ya faru. Na'urorin gani na polarization ɗinmu sun haɗa da polarizers, faranti / retarders, depolarizers, Faraday Rotators, da masu keɓantawar gani sama da UV, bayyane, ko kewayon IR.
Wave faranti, wanda kuma aka sani da retarders, suna watsa haske kuma suna canza yanayin polarization ɗin sa ba tare da ragewa, karkata ba, ko murkushe katako. Suna yin hakan ta hanyar jinkirtawa (ko jinkirta) sashi ɗaya na polarization dangane da sashin da ya dace. Farantin igiyar ruwa wani nau'in gani ne wanda ke da manyan gatura guda biyu, a hankali da sauri, wanda ke warware abin da ya faru ba tare da ɓata lokaci ba zuwa katako guda biyu daidai gwargwado. Ƙunƙarar da ke fitowa ta sake haɗawa don samar da takamaiman katako mai kauri ɗaya. Filayen igiyoyin igiyar ruwa suna haifar da cikakken-, rabi- da kwata-takwas na raƙuman ruwa. Ana kuma san su da retarder ko farantin retardation. A cikin hasken da ba a taɓa gani ba, faranti na igiyoyin igiyar ruwa suna daidai da tagogi - dukkansu sassa ne na gani da haske wanda haske ke wucewa ta ciki.
⊙Farantin kalaman kwata-kwata: lokacin da aka shigar da haske mai ɗaiɗai kai tsaye a digiri 45 zuwa madaidaicin farantin raƙuman raƙuman kwata, abin da aka fitar yana da'irar da'ira, kuma akasin haka.
⊙Farantin rabin igiyar igiyar ruwa: Rabin farantin igiyar igiyar ruwa tana jujjuya haske mai madaidaicin layi zuwa kowane yanayin da ake so. Matsakaicin jujjuyawar shine sau biyu kwana tsakanin hasken da ba a taɓa gani ba.
Laser Zero Plate mai Tazarar Kwata-Wave
Laser Zero Plate Mai Tazarar Iska
Wave faranti suna da kyau don sarrafawa da nazarin yanayin polarization na haske. Ana ba da su a cikin manyan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'in iri) suna ba da su don sifili, tsari iri-iri, da achromatic - kowannensu yana ɗauke da fa'idodi na musamman dangane da aikace-aikacen da ke hannu. Ƙarfin fahimtar mahimman kalmomi da ƙayyadaddun bayanai yana taimakawa wajen zaɓar farantin igiyar igiyar da ta dace, komai sauƙi ko hadaddun tsarin gani.
Kalmomi & Ƙididdiga
⊙Birefringence: Ana yin faranti na kalaman daga kayan birefringent, galibi ma'adini crystal. Kayayyakin Birefringent suna da fihirisa mabanbanta na refraction don haske da aka karkasa su a cikin fuskantar daban-daban. Don haka, suna rarraba hasken da ba a taɓa gani ba zuwa cikin daidaitattun abubuwan da aka haɗa da shi da aka nuna a cikin adadi mai zuwa.
Birefringent Calcite Crystal Rarrabe Haske mara Tsafta
⊙Fast Axis da Slow Axis: Hasken polarized tare da axis mai sauri yana ci karo da ƙaramin juzu'i kuma yana tafiya cikin sauri ta faranti na raƙuman ruwa fiye da hasken da aka sanya tare da axis a hankali. Ana nuna axis ɗin sauri ta ɗan ƙaramin tabo ko dige akan diamita mai sauri na farantin igiyar igiyar ruwa da ba a ɗaure ba, ko alama akan dutsen tantanin halitta na farantin igiyar igiyar ruwa.
⊙Jinkiri: Dagewa yana kwatanta canjin lokaci tsakanin ɓangaren polarization wanda aka tsara tare da axis mai sauri da kuma ɓangaren da aka tsara tare da jinkirin axis. An ƙayyade jinkirtawa a cikin raka'a na digiri, raƙuman ruwa, ko nanometers. Cikakkun kalaman jinkiri guda ɗaya yayi daidai da 360°, ko adadin nanometers a tsawon tsawon sha'awa. Haƙuri akan jinkiri yawanci ana bayyana shi a cikin digiri, na halitta ko juzu'i na jimla na cikakken igiyar ruwa, ko nanometers. Misalai na ƙayyadaddun ƙayyadaddun jinkiri da haƙuri sune: λ/4 ± λ/300, λ/2 ± 0.003λ, λ/2 ± 1°, 430nm ± 2nm.
Shahararrun ƙimar jinkiri sune λ/4, λ/2, da 1λ, amma wasu ƙima za su iya zama da amfani a wasu aikace-aikace. Misali, tunani na ciki daga prism yana haifar da sauye-sauyen lokaci tsakanin abubuwan da zasu iya zama da wahala; farantin ramuwa mai ramuwa zai iya mayar da polarization da ake so.
⊙Oda da yawa: A cikin faranti masu yawa na oda, jimlar jinkiri shine jinkirin da ake so tare da lamba. Matsakaicin adadin adadin ba shi da wani tasiri a kan wasan kwaikwayon, kamar yadda agogon da ke nuna tsakar rana a yau ya yi kama da wanda ke nuna tsakar rana bayan mako guda - kodayake an ƙara lokaci, har yanzu yana bayyana iri ɗaya. Kodayake an ƙera ginshiƙan oda da yawa tare da kayan birefringent guda ɗaya kawai, suna iya zama ɗan kauri, wanda ke sauƙaƙe sarrafawa da haɗin tsarin. Maɗaukakin kauri, ko da yake, yana sa faifan oda da yawa ya fi sauƙi ga sauye-sauyen koma baya wanda ya haifar da canjin tsayin tsayi ko canjin yanayi na yanayi.
⊙Odar sifili: An ƙera farantin kalaman sifili don ba da jinkirin cikakken raƙuman ruwa ba tare da wuce gona da iri ba, tare da juzu'in da ake so. Misali, Zero Order Quartz Wave plates sun ƙunshi nau'ikan nau'ikan nau'ikan nau'ikan ma'adini guda biyu tare da ketare gatarinsu ta yadda ingantaccen jinkiri shine bambanci tsakanin su. Madaidaicin farantin kalaman sifili, wanda kuma aka sani da farantin odar sifili, ya ƙunshi faranti da yawa na nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan birefringent iri ɗaya waɗanda aka sanya su daidai gwargwado zuwa ga axis na gani. Sanya faranti masu yawa na igiyar ruwa yana daidaita ma'auni na sauye-sauyen jinkirin da ke faruwa a cikin faranti guda ɗaya, yana haɓaka kwanciyar hankali zuwa canjin tsayin raƙuman ruwa da canjin yanayi na yanayi. Madaidaicin sifili oda faranti ba sa inganta jinkirin motsi wanda ya haifar da wani kusurwa na daban. Farantin kalaman sifili na gaskiya ya ƙunshi abu guda ɗaya wanda aka sarrafa shi zuwa faranti mai ƙanƙanta wanda maiyuwa ya zama ƴan ƙaramin microns kauri don cimma takamaiman matakin ja da baya a tsarin sifili. Yayin da bakin ciki na farantin na iya sa iyawa ko hawan farantin ɗin ya fi wahala, faifan oda na gaskiya na sifili yana ba da kwanciyar hankali mafi girma zuwa canjin tsayin igiyar ruwa, canjin yanayi na yanayi, da kuma wani kusurwa daban na abin da ya faru fiye da sauran faranti. Sifili Oda Faranti Wave suna nuna kyakkyawan aiki fiye da faranti masu yawan oda. Suna nuna mafi girman bandwidth da ƙananan hankali ga zafin jiki da canje-canjen tsayi kuma yakamata a yi la'akari da su don ƙarin aikace-aikace masu mahimmanci.
⊙Achromatic: Achromatic waveplates sun ƙunshi abubuwa daban-daban guda biyu waɗanda a zahiri ke kawar da watsawar chromatic. Ana yin daidaitattun ruwan tabarau na achromatic daga nau'ikan gilashi guda biyu, waɗanda aka daidaita don cimma tsayin daka da ake so yayin ragewa ko cire ɓarna na chromatic. Achromatic waveplates suna aiki akan ƙa'idar asali iri ɗaya. Misali, Achromatic Waveplates an yi su ne daga ma'adini na kristal da magnesium fluoride don cimma kusan ci gaba da ci gaba a cikin faɗuwar bandeji.
⊙Super Achromatic: Super achromatic waveplates nau'i ne na musamman na achromatic waveplate wanda ake amfani dashi don kawar da watsawar chromatic don babban igiyar igiyar igiyar ruwa. Ana iya amfani da manyan manyan raƙuman ruwa na achromatic don duka bakan da ake iya gani da kuma yankin NIR tare da kusanci iri ɗaya, idan ba mafi kyau ba, daidaito fiye da na yau da kullun na achromatic. Inda nau'ikan raƙuman ruwa na achromatic aka yi da ma'adini da magnesium fluoride na takamaiman kauri, super achromatic waveplates suna amfani da ƙarin sapphire substrate tare da quartz da magnesium fluoride. An ƙayyadadden kauri na duka sassa uku da dabara don kawar da tarwatsawar chromatic don tsayin tsayin tsayin raƙuman ruwa.
Jagoran Zaɓin Polarizer
⊙Farantin Kalaman Oda da yawa
An ƙera ƙaramin farantin kalaman oda (yawan) don ba da jinkirin cikakken raƙuman ruwa da yawa, tare da juzu'in da ake so. Wannan yana haifar da abu ɗaya, mai ƙarfi na jiki tare da aikin da ake so. Ya ƙunshi faranti ɗaya na ma'adini crystal (wanda aka sani da kauri 0.5mm). Ko da ƙananan canje-canje a tsayin raƙuman ruwa ko zafin jiki zai haifar da gagarumin canje-canje a cikin ɓangarorin da ake so. Faranti masu yawan oda ba su da tsada kuma ana samun amfani a aikace-aikace da yawa inda haɓakar hankali ba su da mahimmanci. Suna da kyakkyawan zaɓi don amfani tare da hasken monochromatic a cikin yanayin da ake sarrafa yanayi, yawanci ana haɗa su tare da laser a cikin dakin gwaje-gwaje. Sabanin haka, aikace-aikace irin su mineralogy suna amfani da canjin chromatic (retarda da canjin raƙuman ruwa) waɗanda ke cikin faranti masu yawa.
Multi-Order Half -Wave Plate
Multi-Order Quarter-Wave Plate
Madadin faranti na ma'adini na kristal na al'ada shine fim ɗin polymer Retarder. Ana samun wannan fim a cikin masu girma dabam da yawa da retardances kuma a ɗan ƙaramin farashin faranti na kalaman crystalline. Masu dawo da fim sun fi aikace-aikacen quartz crystal-hikima ta fuskar sassauci. Tsarin su na bakin ciki na polymeric yana ba da damar sauƙin yanke fim ɗin zuwa siffar da girman da ake bukata. Waɗannan fina-finai sun dace don amfani a aikace-aikacen da ke amfani da LCDs da fiber optics. Hakanan ana samun fim ɗin polymer Retarder a cikin nau'ikan achromatic. Wannan fim duk da haka, yana da ƙarancin lalacewa kuma bai kamata a yi amfani da shi tare da manyan hanyoyin haske masu ƙarfi kamar lasers. Bugu da ƙari, amfani da shi yana iyakance ga bakan da ake iya gani, don haka aikace-aikacen UV, NIR, ko IR zasu buƙaci madadin.
Faranti masu yawa na oda suna nufin cewa jinkirin hanyar haske za ta fuskanci takamaiman adadin cikkaken motsi na tsawon tsayi ban da juzu'i na ƙira. Kaurin farantin kalaman oda da yawa koyaushe yana kusa da 0.5mm. Idan aka kwatanta da faranti na sifili na kalaman kalaman, faifan oda da yawa sun fi kula da tsayin igiyar ruwa & canjin zafin jiki. Koyaya, ba su da tsada kuma ana amfani da su sosai a aikace-aikace da yawa inda haɓakar hankali ba su da mahimmanci.
⊙Sifili Order Wave faranti
Kamar yadda jimillar jinkirin su ƙaramin kaso ne na nau'in oda da yawa, jinkirin faranti na sifili na kalaman kalaman ya fi tsayi sosai dangane da yanayin zafi da bambancin tsayi. A cikin al'amuran da ke buƙatar ƙarin kwanciyar hankali ko buƙatar tafiye-tafiyen zafin jiki, sifili oda ginshiƙi shine mafi kyawun zaɓi. Misalai na aikace-aikacen sun haɗa da kallon faɗaɗa tsayin raƙuman gani, ko ɗaukar ma'auni tare da kayan aikin da aka yi amfani da su a filin.
Farantin Rabin Wave na Sifili
Sifili Order Kwata-Wave Plate
- An gina faranti na sifili da aka yi da sifili ta faranti biyu na quartz tare da ketare axikinsu mai sauri, faranti biyun suna siminti ta UV epoxy. Bambanci a cikin kauri tsakanin faranti biyu yana ƙayyade jinkirin. Sifili oda faranti yana ba da ƙarancin dogaro ga zafin jiki da canjin tsayi fiye da faranti mai yawan oda.
- An gina sifirin oda mai gani na gani da faranti biyu na quartz tare da ketare axikinsu mai sauri, ana gina faranti biyu ta hanyar tuntuɓar gani da gani, hanyar gani ba ta da kyauta.
- An gina farantin sifilin sifili na iska ta faranti guda biyu da aka sanya a cikin dutsen da ke samar da tazarar iska tsakanin faranti biyu na quartz.
- Ana yin farantin ma'adini na sifili na gaskiya daga farantin ma'adini guda ɗaya mai sirara sosai. Ana iya ba da su ko dai da kansu a matsayin faranti ɗaya don aikace-aikacen ɓarna mai girma (fiye da 1 GW/cm2), ko kuma a matsayin farantin ma'adini na bakin ciki na siminti akan ma'auni na BK7 don samar da ƙarfi don magance matsalar lalacewa cikin sauƙi.
- A Zero Order Dual Wavelength Wave Plate zai iya ba da takamaiman jinkiri a tsawon raƙuman ruwa biyu (madaidaicin tsayin raƙuman ruwa da na biyu na jituwa na biyu) a lokaci guda. Farantin igiyar igiyar igiyar igiya biyu suna da amfani musamman idan aka yi amfani da su tare tare da sauran abubuwan da suka dace na polarization don raba katako na Laser coaxial na tsawon tsayi daban-daban. Ana amfani da farantin sifili dual wavelength wavelength a cikin lasers na femtosecond.
- Farantin kalaman telecom farantin ma'adini ɗaya ne kawai, idan aka kwatanta da farantin sifili na gaskiya. Ana amfani da shi musamman wajen sadarwar fiber. Waveplates ɗin wayar tarho na bakin ciki ne & ƙananan raƙuman raƙuman ruwa waɗanda aka tsara musamman don biyan buƙatun ɓangaren sadarwar fiber. Ana iya amfani da farantin rabin igiyar ruwa don jujjuya yanayin polarization yayin da farantin kwata-kwata za a iya amfani da shi don canza hasken polarized mai layi zuwa yanayin madauwari mai ma'ana da akasin haka. Rabin raƙuman raƙuman ruwa yana da kauri kusan 91μm, kwata kwata kullun ba shine 1/4 ba amma kalaman 3/4, kusan 137µm a cikin kauri. Wadannan matsananci bakin ciki raƙuman raƙuman ruwa yana tabbatar da mafi kyawun bandwidth na zafin jiki, bandwidth na kusurwa da bandwidth mai tsayi. Ƙananan girman waɗannan faranti kuma yana sa su dace don rage girman fakitin ƙirar ku gaba ɗaya. Za mu iya samar da masu girma dabam bisa ga buƙatarku.
- A tsakiyar Infrared sifili oda farantin da aka gina da biyu Magnesium Fluoride (MgF2) faranti tare da sauri axis ƙetare, biyun ana gina su ta hanyar da aka tuntuɓi mai gani, hanyar gani ba ta da kyauta. Bambanci a cikin kauri tsakanin faranti biyu yana ƙayyade jinkirin. Ana amfani da faranti na sifilin sifili na tsakiya a cikin aikace-aikacen infrared, wanda ya dace don kewayon micron 2.5-6.0.
⊙Achromatic Wave faranti
Achromatic wave faranti suna kama da faranti na sifili sai dai faranti biyu an yi su daga lu'ulu'u daban-daban. Saboda diyya na kayan biyu, faranti na achromatic suna da tsayi fiye da ko da faranti na sifili. Farantin kalaman na achromatic yayi kama da farantin kalaman sifili sai dai faranti biyu an yi su daga lu'ulu'u daban-daban. Tun da tarwatsa birefringence na kayan biyu ya bambanta, yana yiwuwa a ƙididdige ƙimar jinkiri a kewayon tsayin tsayi mai faɗi. Don haka jinkirin zai zama ƙasa da hankali ga canjin tsayin raƙuman ruwa. Idan halin da ake ciki ya ƙunshi nau'i-nau'i iri-iri ko duka band (daga violet zuwa ja, alal misali), faranti na achromatic sune zaɓin da ya dace.
NIR Achromatic Wave Plate
SWIR Achromatic Wave Plate
VIS Achromatic Wave Plate
⊙Super Achromatic Wave faranti
Super Achromatic Wave faranti suna kama da faranti na kalaman achromatic, maimakon haka suna ba da fa'ida mai fa'ida akan kewayon tsayin igiyoyin watsa labarai. Farantin kalaman achromatic na al'ada ya ƙunshi farantin ma'adini ɗaya da farantin MgF2 guda ɗaya, wanda ke da ƴan ɗaruruwan nanometer iyaka. An yi manyan faranti ɗin mu na achromatic daga abu uku, ma'adini, MgF2 da sapphire, waɗanda ke ba da jinkiri mai faɗi akan kewayon tsayin tsayi.
⊙Fresnel Rhomb Retarders
Fresnel Rhomb Retarders suna amfani da tunani na ciki a takamaiman kusurwoyi a cikin tsarin priism don ba da jinkiri ga abin da ya faru da haske. Kamar faranti na Achromatic Wave, za su iya ba da jinkiri iri ɗaya akan kewayon tsayin raƙuman ruwa. Tunda jinkirin Fresnel Rhomb Retarders kawai ya dogara ne akan fihirisar refractive da lissafi na kayan, kewayon tsayin tsayin igiyar ruwa ya fi Achromatic Waveplate da aka yi daga birefringent crystal. A Single Fresnel Rhomb Retarders yana haifar da jinkirin lokaci na λ/4, hasken fitarwa yana layi daya da hasken shigarwa, amma a gefe; A Biyu Fresnel Rhomb Retarders yana samar da wani lokaci retardation na λ/2, ya ƙunshi guda biyu Fresnel Rhomb Retarders. Muna ba da daidaitattun BK7 Fresnel Rhomb Retarders, wasu kayan kamar ZnSe da CaF2 suna samuwa akan buƙata. An inganta waɗannan masu ragewa don amfani tare da aikace-aikacen diode da fiber. Saboda Fresnel Rhomb Retarders yana aiki bisa jimlar tunani na ciki, ana iya amfani da su don amfani da faɗaɗa ko achromatic.
Fresnel Rhomb Retarders
⊙Crystalline Quartz Polarization Rotators
Crystalline Quartz Polarization Rotators lu'ulu'u ne guda ɗaya na ma'adini waɗanda ke jujjuya polarization na hasken abin da ya faru ba tare da daidaitawa tsakanin mai juyawa da polarization haske ba. Saboda jujjuyawar aikin kristal na ma'adini na halitta, Hakanan ana iya amfani da shi azaman masu jujjuyawar polarization ta yadda jirgin na shigar da katako mai ɗaukar hoto zai iya jujjuya shi a kusurwa na musamman wanda aka ƙaddara ta kauri na ma'adini crystal. Za mu iya bayar da masu juyawa na hagu da na dama da mu yanzu. Saboda suna jujjuya jirgin sama ta wani kusurwa na musamman, Crystalline Quartz Polarization Rotators babban madadin faranti ne kuma ana iya amfani da su don jujjuya gabaɗayan polarization na haske tare da axis na gani, ba kawai ɓangaren haske ɗaya ba. Hanyar yada hasken abin da ya faru dole ne ya kasance daidai da rotator.
Paralight Optics yana ba da faranti na Achromatic Wave, Super Achromatic Wave Plates, Simintin Sifili na Wave Plates, Filayen Wave Wave ɗin da aka Tuntuɓi Sifili, Filayen Kalaman Zauren Sifili na Sama, Faranti na Wave na Sifili na Gaskiya, Faranti Guda ɗaya Babban Wutar Wave Plate, Plate Wave Wave Plate , Dual Wavelength Wave Plates, Zero Order Dual Wavelength Wave Plates, Telecom Wave Plates, Middle IR Zero Order Wave Plates, Fresnel Rhomb Retarders, Ring Holders for Wave Plates, da Quartz Polarization Rotators.
Wave Plates
Don ƙarin cikakkun bayanai kan na'urorin gani na polarization ko samun ƙima, da fatan za a tuntuɓe mu.
