Sadarwar juzu'i: kunkuntar lasers na layi

Sadarwar Quantum:kunkuntar layin layi

Laser kunkuntar layin layiwani nau'i ne na Laser mai kayan gani na musamman, wanda ke da ikon samar da katako na Laser tare da ƙaramin layin gani (wato kunkuntar bakan). Faɗin layi na kunkuntar layin Laser yana nufin faɗin bakan sa, yawanci ana bayyana shi a cikin bandwidth tsakanin mitar raka'a, kuma wannan faɗin kuma ana kiranta da " faɗin layin layi" ko kuma kawai " faɗin layi ". Lasin kunkuntar layin layi suna da faɗin layi mai kunkuntar, yawanci tsakanin ƴan kilohertz ɗari (kHz) da ƴan megahertz (MHz), wanda ya fi ƙanƙanta da faɗin layi na laser na al'ada.

Rabewa ta tsarin rami:

1. Linear cavity fiber Laser an raba zuwa rarraba Bragg tunani irin (DBR Laser) da kuma rarraba feedback irin (Farashin DFB Laser) tsari guda biyu. Fitar Laser na biyu Laser haske ne sosai m tare da kunkuntar layi da ƙananan amo. DFB fiber Laser iya cimma biyu Laser feedback daLaserzaɓin yanayin, don haka daidaiton mitar Laser mai fitarwa yana da kyau, kuma yana da sauƙin samun fitowar yanayin yanayin barga guda ɗaya.

2. Ring-cavity fiber Lasers fitar da kunkuntar-nisa lasers ta hanyar gabatar da kunkuntar band tace kamar Fabry-Perot (FP) tsoma baki cavities, fiber grating ko sagnac zobe cavities a cikin rami. Koyaya, saboda tsayin rami mai tsayi, tazarar yanayin madaidaiciya yana ƙarami, kuma yana da sauƙin tsalle yanayin a ƙarƙashin rinjayar yanayi, kuma kwanciyar hankali ba ta da kyau.

Aikace-aikacen samfur:

1. Na'urar firikwensin firikwensin kunkuntar Laser a matsayin tushen haske mai kyau don firikwensin fiber na gani, ta hanyar haɗawa tare da firikwensin fiber na gani, na iya cimma daidaitattun ma'auni, ma'aunin hankali. Misali, a cikin matsa lamba ko na'urori masu auna firikwensin zafin jiki, kwanciyar hankali na kunkuntar Laser mai faɗin layi yana taimakawa tabbatar da daidaiton sakamakon awo.

2. Babban ma'auni na ma'auni na kunkuntar layin layi na laser suna da kunkuntar layin layi mai kunkuntar, wanda ya sa su zama tushen tushen ma'auni mai mahimmanci. Ta hanyar zaɓar madaidaicin tsayin raƙuman ruwa da faɗin layi, za a iya amfani da kunkuntar leza mai faɗin layi don ingantaccen bincike da ma'aunin gani. Misali, a cikin firikwensin iskar gas da sa ido kan muhalli, ana iya amfani da kunkuntar laser na layin layi don cimma ingantattun ma'auni na sha na gani, fitarwar gani da sikandar kwayoyin halitta a cikin yanayi.

3. Lidar-mita kunkuntar layin fiber lasers kuma suna da aikace-aikace masu mahimmanci a cikin tsarin liDAR ko Laser. Yin amfani da Laser kunkuntar kunkuntar layin mitoci guda ɗaya azaman tushen haske mai ganowa, haɗe tare da gano haɗin kai, yana iya gina nisa mai nisa (daruruwan kilomita) liDAR ko kewayon. Wannan ka'ida tana da ka'idar aiki iri ɗaya da fasahar OFDR a cikin fiber na gani, don haka ba kawai yana da ƙudurin sararin samaniya sosai ba, har ma yana iya ƙara nisan aunawa. A cikin wannan tsarin, nisa na layin laser ko tsayin haɗin kai yana ƙayyade iyakar ma'auni na nisa da daidaiton ma'auni, don haka mafi kyawun daidaitawar tushen hasken, mafi girman aikin tsarin duka.