Yadda ake zaɓar tsakanin mai daidaita yanayin 780nm da mai daidaita ƙarfin lantarki?

Yadda ake zaɓar tsakanin 780nmmai daidaita lokacida kuma mai daidaita ƙarfi?
A cikin mahimmin zangon raƙuman ruwa na 780nm, hulɗar da ke tsakanin haske da abu yana da matuƙar amfani - ko dai canjin layin D2 ne na atom ɗin cesium ko kuma sarrafa yanayin kwantum na atom ɗin rubidium, daidaitaccen sarrafa laser a cikin wannan zangon raƙuman ruwa yana da mahimmanci. Babban na'urar da ke cimma wannan ƙa'ida ita ce na'urar daidaita hasken lantarki (electro-optic modulator).Mai daidaita EOM). Daga cikinsu, kodayake duka biyunmai daidaita yanayin electro-opticalda kuma na'urar lantarki (electro-optic)mai daidaita ƙarfiSuna cikin dangin lithium niobate electro-optic modulation, suna da nasu ƙwarewa ta musamman kuma suna yin ayyukansu daban-daban.
Kamar yadda sunan ya nuna, na'urar daidaita yanayin siginar gani ta lantarki (Electro optic phase modulator), tana mai da hankali kan daidaita yanayin siginar gani. Tsarinsa yana da sauƙi - an haɗa jagorar raƙuman ruwa guda ɗaya da electrodes guda biyu a ɓangarorin biyu, kuma ana canza ma'aunin haske na lu'ulu'u ta hanyar tasirin electro-optic, ta haka ne ake canza yanayin hasken. Na'urar daidaita yanayin lokaci ta ROF-PM 780nm ta karɓi fasahar musayar proton mai ci gaba kuma tana da kyawawan halaye kamar ƙarancin asarar sakawa (ƙimar yau da kullun 2.8dB), babban bandwidth na daidaitawa (10GHz), da ƙarancin ƙarfin lantarki na rabin raƙuman ruwa (ƙimar yau da kullun 2.0V). Ya fi amfani da fannoni na tsarin sadarwa na sararin samaniya, nunin lokacin cesium atomic, faɗaɗa spectral, da interferometry - a cikin agogon gani da ma'aunin daidaito, masu daidaita yanayin sune "jaruman da ke bayan fage" na kulle mita da daidaitawa.
Thena'urar auna ƙarfin lantarki ta lantarki (electro-optical extensive modulator)yana da alhakin daidaita ƙarfin haske (girman haske). Ya dogara ne akan tsarin Mach Zehnder interferometer (MZI): siginar gani ta kasu kashi biyu, waɗanda ke yin canjin yanayi sannan su sake haɗuwa, suna cimma daidaitaccen yanayi ta hanyar tasirin tsangwama. Mai daidaita ƙarfin yanayi na jerin ROF-AM-07 kuma yana amfani da fasahar musayar proton, tare da asarar shigarwa ƙasa da 3dB, rabon ƙarewar sauyawa har zuwa 23dB, da kuma ƙarfin lantarki na rabin raƙuman ruwa na 3V kawai a ƙarshen RF. Aikace-aikacen sa na yau da kullun suna rufe sadarwa ta gani ta sararin samaniya, na'urorin gani na kwantum, masu samar da bugun jini, da sauran fannoni - a cikin gwaje-gwajen bayanai na kwantum, ana amfani da masu daidaita ƙarfin haske don "yanke" lasers masu ci gaba zuwa nanosecond matakin haske.
Za a iya cewa mai daidaita yanayin shine mai zane wanda ke gyara yanayin raƙuman haske sosai, yayin da mai daidaita yanayin zafi shine kwamandan da ke sarrafa ƙarfin haske cikin sauƙi. Dukansu suna haɗuwa da juna, duka suna tallafawa zare na wutsiya na musamman don FC/PC da FC/APC, tare da aiki mai ɗorewa a kewayon zafin jiki mai faɗi na -10 ℃~60 ℃, yana rufe hanyoyi da yawa na gwaji daga agogon atomic na asali zuwa na'urorin hangen nesa na quantum na zamani, yana samar da mafita mai haɗakar tsarin haske don binciken band na 780nm.