Mahimman sigogi na tsarin laser

Mahimman sigogi natsarin laser

A cikin filayen aikace-aikacen da yawa kamar sarrafa kayan aiki, aikin tiyata na Laser da hangen nesa mai nisa, kodayake akwai nau'ikan tsarin laser da yawa, galibi suna raba wasu sigogi na yau da kullun. Ƙirƙirar tsarin ƙayyadaddun ƙayyadaddun ma'auni na iya taimakawa wajen guje wa rudani a cikin magana da baiwa masu amfani damar zaɓar da daidaita tsarin laser da abubuwan haɗin kai daidai, ta haka ne don biyan buƙatun takamaiman yanayi.

Mahimman sigogi

Tsawon tsayi (raka'a gama gari: nm zuwa μm)

Tsawon tsayi yana nuna halayen mitar raƙuman hasken da ke fitarwa ta hanyar Laser a sararin samaniya. Yanayin aikace-aikacen daban-daban suna da buƙatu daban-daban don tsayin raƙuman ruwa: A cikin sarrafa kayan, ƙimar ɗaukar kayan don takamaiman tsayin raƙuman ruwa ya bambanta, wanda zai shafi tasirin sarrafawa. A cikin aikace-aikacen ji mai nisa, akwai bambance-bambance a cikin tsomawa da tsangwama daban-daban na raƙuman ruwa ta yanayi. A cikin aikace-aikacen likitanci, sha na Laser ta mutane masu launin fata daban-daban shima ya bambanta dangane da tsawon lokacin. Saboda ƙarami da aka mayar da hankali, Laser gajeren zango daLaser Tantancewar na'urorinsuna da fa'ida wajen ƙirƙirar ƙanana da madaidaitan fasali, suna samar da ɗan ƙaramin dumama. Duk da haka, idan aka kwatanta da lasers tare da tsawon raƙuman ruwa, yawanci sun fi tsada kuma sun fi dacewa da lalacewa.

2. Ƙarfi da makamashi (Raka'a na gama gari: W ko J)

Yawan wutar lantarki ana auna shi da watts (W) kuma ana amfani da shi don auna fitowar laser mai ci gaba ko matsakaicin ƙarfin laser pulsed. Ga laser pulsed, makamashin bugun jini guda ɗaya yana daidai da matsakaicin ƙarfi kuma ya yi daidai da mitar maimaituwa, tare da naúrar kasancewa joule (J). Mafi girman iko ko makamashi, mafi girman farashin laser yawanci shine, mafi girman buƙatun zafin zafi shine, kuma wahalar kiyaye ingancin katako mai kyau shima yana ƙaruwa daidai.

Ƙarfin bugun jini = matsakaicin ƙarfin maimaita ƙarfin bugun jini = Matsakaicin ƙimar maimaita ƙarfi

3. Tsawon bugun jini (Raka'a gama gari: fs zuwa ms)

Tsawon bugun bugun laser, wanda kuma aka sani da girman bugun bugun jini, galibi ana bayyana shi azaman lokacin da yake ɗauka donLaserikon tashi zuwa rabin kololuwar sa (FWHM) (Hoto 1). Faɗin bugun bugun jini na laser ultrafast gajere ne, yawanci jere daga picoseconds (10⁻¹² seconds) zuwa attose seconds (10⁻¹⁸ seconds).

4. Yawan maimaitawa (Raka'a gama gari: Hz zuwa MHZ)

Yawan maimaitawa na apulsed Laser(watau mitar bugun bugun jini) yana bayyana adadin bugun jini da ake fitarwa a cikin dakika guda, wato, ma'auni na tazarar bugun bugun jini (Hoto na 1). Kamar yadda aka ambata a baya, yawan maimaitawa ya yi daidai da ƙarfin bugun jini kuma yana daidai da matsakaicin ƙarfin. Kodayake yawan maimaitawa yawanci ya dogara ne akan matsakaicin samun laser, a yawancin lokuta, ƙimar maimaitawa na iya bambanta. Mafi girman ƙimar maimaitawa, ɗan gajeren lokacin hutun zafi na saman sigar gani na Laser da tabo na ƙarshe da aka mayar da hankali, don haka ba da damar kayan suyi zafi da sauri.

5. Tsawon daidaituwa (Raka'a gama gari:mm zuwa cm)

Lasers suna da haɗin kai, wanda ke nufin cewa akwai ƙayyadaddun dangantaka tsakanin ƙimar lokaci na filin lantarki a lokuta ko matsayi daban-daban. Wannan shi ne saboda ana samar da laser ta hanyar motsa jiki, wanda ya bambanta da yawancin sauran nau'ikan hasken wuta. A duk tsawon tsarin yaduwa, haɗin kai yana raguwa a hankali, kuma tsayin daka na Laser yana bayyana tazarar da haɗin kai na ɗan lokaci ke riƙe da wani taro.

6. Polarization

Polarization yana bayyana jagorancin filin lantarki na raƙuman haske, wanda ko da yaushe ya kasance daidai da jagorancin yaduwa. A mafi yawan lokuta, lasers suna da layi mai layi, wanda ke nufin cewa filin lantarki da aka fitar koyaushe yana nuni zuwa hanya guda. Hasken da ba shi da ƙarfi yana haifar da filayen lantarki masu nuni a wurare daban-daban. Matsakaicin ƙididdiga yawanci ana bayyana shi azaman rabon ikon gani na jihohin polarization orthogonal guda biyu, kamar 100:1 ko 500:1.