Gudanar da mitar bugun bugun jini naLaser bugun jini kula fasaha
1. Ma'anar mitar bugun jini, Laser pulse Rate (Pulse Repetition Rate) yana nufin adadin bugun jini da aka fitar a kowane lokaci, yawanci a cikin Hertz (Hz). Matsakaicin mitar bugun jini ya dace da aikace-aikacen ƙimar maimaituwa mai yawa, yayin da ƙarancin mitar mitar ya dace da manyan ayyuka na bugun jini guda ɗaya.
2. Dangantakar da ke tsakanin wutar lantarki, fadin bugun jini da mita Kafin sarrafa mitar Laser, dole ne a fara bayyana dangantakar dake tsakanin wutar lantarki, fadin bugun jini da mita. Akwai hadaddun ma'amala tsakanin wutar lantarki, mita da faɗin bugun bugun jini, kuma daidaita ɗayan sigogi yawanci yana buƙatar la'akari da sauran sigogi biyu don haɓaka tasirin aikace-aikacen.
3. Hanyoyin sarrafa mitar bugun jini na yau da kullun
a. Yanayin sarrafawa na waje yana ɗaukar siginar mitar a waje da wutar lantarki, kuma yana daidaita mitar bugun bugun laser ta hanyar sarrafa mita da sake zagayowar aikin siginar lodi. Wannan yana ba da damar bugun bugun jini don daidaitawa tare da siginar kaya, yana sa ya dace da aikace-aikacen da ke buƙatar ingantaccen sarrafawa.
b. Yanayin sarrafawa na ciki An gina siginar sarrafa mitar a cikin wutar lantarki, ba tare da ƙarin shigar da siginar waje ba. Masu amfani za su iya zaɓar tsakanin ƙayyadadden mitar ginannen ciki ko daidaitacce mitar sarrafawa na ciki don ƙarin sassauci.
c. Daidaita tsawon resonator koelectro-Optical modulatorZa'a iya canza halayen mitar na'urar ta hanyar daidaita tsayin resonator ko ta amfani da na'urar daidaitawa ta lantarki. Ana amfani da wannan hanya ta ƙa'ida mai girma a aikace-aikace waɗanda ke buƙatar matsakaicin matsakaicin ƙarfi da gajeriyar faɗuwar bugun jini, kamar micromachining laser da hoton likita.
d. Acousto optic Modulator(AOM Modulator) kayan aiki ne mai mahimmanci don sarrafa mitar bugun jini na fasahar sarrafa bugun jini na Laser.AOM Modulatoryana amfani da tasirin gani na acousto (wato, injin oscillation na matsi na motsin sauti yana canza ma'anar refractive) don daidaitawa da sarrafa katako na Laser.
4. Intracavity modulation fasahar, idan aka kwatanta da na waje modulation, intracavity modulation iya more nagarta sosai samar da babban makamashi, kololuwa iko.bugun jini Laser. Wadannan dabarun intracavity na gama gari ne guda huɗu:
a. Sami Canjawa ta hanzari modulating da famfo tushen, da riba matsakaici barbashi lamba inversion da riba coefficient ana sauri kafa, wuce da kara kuzari radiation kudi, sakamakon a cikin wani kaifi karuwa a photons a cikin rami da kuma ƙarni na short bugun jini Laser. Wannan hanya ta zama ruwan dare musamman a cikin na'urorin lantarki na semiconductor, wanda zai iya samar da bugun jini daga nanoseconds zuwa dubun picoseconds, tare da maimaita adadin gigahertz da yawa, kuma ana amfani dashi sosai a fagen sadarwa na gani tare da ƙimar watsa bayanai masu yawa.
Q canza (Q-canzawa) Q masu sauyawa suna kashe ra'ayi na gani ta hanyar gabatar da hasara mai yawa a cikin rami na Laser, kyale tsarin yin famfo don samar da juzu'i na yawan jama'a da nisa fiye da bakin kofa, tana adana babban adadin kuzari. Daga baya, asarar da ke cikin rami ya ragu da sauri (wato, ƙimar Q na rami ya karu), kuma an sake kunna ra'ayoyin gani, don haka ana fitar da makamashin da aka adana a cikin nau'i na ultra-short high-intensity pulses.
c. Kulle Yanayin yana haifar da gajeren gajere bugun jini na picosecond ko ma matakin femtosecond ta hanyar sarrafa alaƙar lokaci tsakanin hanyoyin tsayi daban-daban a cikin rami na Laser. An raba fasahar kulle-kulle zuwa yanayin kulle-kulle da kulle-kulle mai aiki.
d. Zubar da Kogo Ta hanyar adana makamashi a cikin photons a cikin resonator, ta yin amfani da madubi mai ƙarancin asara don ɗaure photon yadda ya kamata, yana riƙe ƙarancin yanayin asara a cikin rami na ɗan lokaci. Bayan zagayowar zagaye guda ɗaya, ana zubar da bugun jini mai ƙarfi daga cikin rami da sauri ta hanyar sauya nau'in rami na ciki, kamar na'urar motsa jiki na acousto-optic ko na'urar rufewa ta lantarki, kuma ana fitar da gajeriyar laser bugun jini. Idan aka kwatanta da Q-switching, zubar da rami na iya kiyaye nisa bugun bugun jini na nanoseconds da yawa a ƙimar maimaitawa mai yawa (kamar megahertz da yawa) kuma yana ba da damar haɓaka ƙarfin bugun jini, musamman ga aikace-aikacen da ke buƙatar ƙimar maimaitawa da gajeriyar bugun jini. Haɗe tare da sauran dabarun tsara bugun jini, ana iya ƙara haɓaka ƙarfin bugun jini.
Pulse iko naLasertsari ne mai rikitarwa kuma mai mahimmanci, wanda ya haɗa da sarrafa nisa na bugun jini, sarrafa mitar bugun jini da fasahohin daidaitawa da yawa. Ta hanyar ingantaccen zaɓi da aikace-aikacen waɗannan hanyoyin, ana iya daidaita aikin laser daidai don saduwa da buƙatun yanayin aikace-aikacen daban-daban. A nan gaba, tare da ci gaba da fitowar sabbin kayan aiki da sabbin fasahohi, fasahar sarrafa bugun jini na Laser za ta haifar da ƙarin ci gaba, da haɓaka haɓakar ci gaban.fasahar lasera cikin shugabanci na mafi girma madaidaici da aikace-aikacen fadi.
Lokacin aikawa: Maris 25-2025