Rashin Polarizing
Plate Beamsplitters

Beamsplitters suna yin daidai abin da sunansu ke nufi, suna raba katako a wani rabo da aka keɓance a cikin kwatance biyu.Bugu da ƙari, ana iya amfani da katako na baya don haɗa katako daban-daban guda biyu zuwa ɗaya.Ana amfani da madaidaicin katako tare da hanyoyin haske marasa ƙarfi kamar na halitta ko polychromatic, suna raba katako da adadin ƙarfin, kamar watsawa 50% da 50% tunani, ko watsawa 30% da 70% tunani.Dichroic beamsplitters sun raba haske mai shigowa ta hanyar tsayin raƙuman ruwa kuma ana amfani da su a cikin aikace-aikacen fluorescence don raba hanyoyin haɓakawa da haɓakawa, waɗannan katako suna ba da rabon rabewa wanda ya dogara da tsayin hasken abin da ya faru kuma yana da amfani don haɗawa / rarrabuwar katako na laser daban-daban. launuka.

Yawancin lokaci ana rarraba beamsplitters bisa ga ginin su: cube ko faranti.Farantin katako nau'in katako ne na yau da kullun wanda ya ƙunshi ƙaramin gilashin bakin ciki tare da murfin gani wanda aka inganta don kusurwar 45° na abin da ya faru (AOI).Madaidaitan katako na farantin karfe suna raba hasken abin da ya faru ta hanyar ƙayyadaddun rabo wanda ke zaman kansa daga yanayin tsayin hasken ko yanayin polarization, yayin da aka ƙera katakon faranti don mu'amala da jihohin S da P daban.

Fa'idodin farantin katako ba su da ƙarancin ɓarna chromatic, ƙarancin sha saboda ƙarancin gilashi, ƙira kaɗan da ƙananan ƙira idan aka kwatanta da katakon kubu.Lalacewar farantin katako sune hotunan fatalwa da aka samar ta hanyar samun haske yana haskakawa daga bangarorin biyu na gilashin, juyawar katako na gefe saboda kaurin gilashin, wahalar hawa ba tare da nakasawa ba, da azancinsu ga hasken da ba shi da tushe.

Mu farantin beamsplitters suna da rufi na gaba surface cewa kayyade katako tsaga rabo yayin da baya surface ne wedged da AR rufi.An ƙera Plate ɗin Wedged Beamsplitter don yin kwafi da yawa da aka rage na katakon shigarwa guda ɗaya.

Don taimakawa rage tasirin tsangwama maras so (misali, hotunan fatalwa) wanda ya haifar da mu'amalar hasken da ke fitowa daga saman gaba da baya na na'urar gani, duk waɗannan filayen faranti suna da murfin antireflection (AR) wanda aka ajiye akan saman baya.An ƙera wannan shafi don tsayin aiki iri ɗaya kamar rufin beamsplitter akan farfajiyar gaba.Kusan 4% na hasken da ya faru a 45° akan abin da ba a rufe shi ba zai bayyana;ta hanyar amfani da murfin AR zuwa gefen baya na katako, wannan kashi yana raguwa zuwa matsakaicin ƙasa da 0.5% a tsayin zane na rufin.Baya ga wannan fasalin, bangon baya na duk na'urorin farantin mu na zagaye yana da 30 arcmin wedge, sabili da haka, juzu'in hasken da ke fitowa daga wannan saman mai rufi na AR zai bambanta.
Paralight Optics yana ba da faranti na katako da ake samu duka nau'ikan polarizing da kuma waɗanda ba na polarizing ba.Matsakaicin madaidaicin farantin katako na katako yana raba hasken aukuwa ta hanyar ƙayyadaddun rabo wanda ke zaman kansa daga yanayin tsayin hasken ko yanayin polarization, yayin da aka ƙera na'urorin faranti na polarizing don kula da jihohin S da P daban.

Farantin da ba ruwan mubeamsplittersN-BK7, Fused Silica, Calcium Fluoride da Zinc Selenide ne suka ƙirƙira su wanda ke rufe kewayon UV zuwa MIR.Mun kuma bayarbeamsplitters don amfani tare da Nd: YAG wavelengths (1064 nm da 532 nm).Don wasu bayanai kan rufin katakon katako na N-BK7, da fatan za a duba jadawali masu zuwa daga nassoshi.

Siffofin:

Kayayyakin Substrate:

N-BK7, RoHS Complient

Zaɓuɓɓukan Rufe:

Duk Dielectric Coatings

Ayyukan gani:

Rarraba Rabo Mai Hankali zuwa Polarization na Farkon Farko

Zaɓuɓɓukan ƙira:

Akwai Zane na Musamman

Bayanai gama gari:

pro-related-ico — Zane na Magana don

Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙwara

Plate biamsplitters sun ƙunshi siriri, farantin gilashin lebur wanda aka lulluɓe a saman farkon ƙasa.Yawancin katakon faranti suna da alaƙa da abin rufe fuska mai karewa a saman na biyu don cire tunanin Fresnel maras so.Ana yin gyare-gyaren faranti sau da yawa don 45° AOI.Don ma'auni tare da fihirisar 1.5 na refraction da 45° AOI, za a iya ƙididdige nisa na motsi (d) ta amfani da ma'auni a cikin hoton hagu.

Ma'auni

Rage & Haƙuri

Nau'in

Ƙarƙashin farantin ƙarfe mara polarizing
Haƙurin Girma

+0.00/-0.20 mm
Hakuri mai kauri

+/- 0.20 mm
Ingancin saman (Scratch-Dig)

Yawanci: 60-40 |Daidaitawa: 40-20
Lalacewar Sama (Side na Plano)

<λ/4 @ 632.8 nm ta 25mm
Daidaituwa

<1 armin
Chamfer

Karewa<0.5mm X 45°
Haƙuri Raba Rabo (R/T).

±5%, T=(Ts+Tp)/2, R=(Rs+Rp)/2
Share Budewa

> 90%
Rufi (AOI=45°)

Shafi mai ɗaukar hoto akan farkon (gaba), shafi na AR akan saman na biyu (baya).
Matsakaicin lalacewa

> 5 j/cm², 20ns, 20Hz, @1064nm