Optical frequency comb ke sebono se entsoeng ka letoto la likaroloana tsa frequency tse arohaneng ka ho lekana ho sebono, tse ka hlahisoang ke li-laser tse notletsoeng ka mokhoa o notletsoeng, li-resonator, kapali-modulators tsa electro-optical.Optical frequency combs e hlahisoang keli-modulators tsa electro-opticli na le litšoaneleho tsa ho pheta-pheta hangata, ho omisa ka hare le matla a phahameng, joalo-joalo, tse sebelisoang haholo ho lekanya lisebelisoa, spectroscopy, kapa fundamental physics, 'me li hohetse thahasello ea bafuputsi lilemong tsa morao tjena.
Haufinyane tjena, Alexandre Parriaux le ba bang ba Univesithi ea Burgendi Fora ba phatlalalitse pampiri ea tlhahlobo koranteng ea Advances in Optics and Photonics, ba tsebisa ka tatellano tsoelopele ea morao-rao ea lipatlisiso le ts'ebeliso ea li-optical frequency combs tse hlahisoang ke.electro-optical modulation: E kenyelletsa kenyelletso ea optical frequency comb, mokhoa le litšobotsi tsa optical frequency comb e hlahisoang kemochine oa motlakase oa motlakase, 'me qetellong e akaretsa maemo a kopo eamochine oa motlakase oa motlakaseoptical frequency comb ka botlalo, ho kenyeletsoa ts'ebeliso ea spectrum e nepahetseng, tšitiso e habeli ea optical, calibration ea lisebelisoa le tlhahiso e sa reroang ea maqhubu, 'me e bua ka molao-motheo oa lits'ebetso tse fapaneng.Qetellong, mongoli o fana ka tebello ea theknoloji ea electro-optic modulator optical frequency comb.
01 Semelo
E ne e le lilemo tse 60 tse fetileng khoeling ena moo Dr. Maiman a ileng a qapa laser ea pele ea ruby.Lilemo tse 'ne hamorao, Hargrove, Fock le Pollack ba Bell Laboratories ea United States e bile bona ba pele ba ho tlaleha mokhoa o sebetsang oa ho notlela o fihlelletsoeng ka li-laser tsa helium-neon, "mode-Locking laser spectrum" sebakeng sa nako e emeloa e le "pulse emission" "Frequency domain" ke letoto la mela e khuts'oane e hlakileng le e lekanang, e ts'oanang haholo le ts'ebeliso ea rona ea letsatsi le letsatsi ea li-combs, kahoo re bitsa spectrum ena "optical frequency comb".E bitsoa "optic frequency comb".
Ka lebaka la tebello e ntle ea tšebeliso ea khekhe ea optical, Khau ea Nobel ea Fisiks ka 2005 e ile ea fuoa Hansch le Hall, ba ileng ba etsa mosebetsi oa bopula-maliboho ho theknoloji ea optical comb, ho tloha ka nako eo, tsoelo-pele ea optical comb e fihlile boemong bo bocha.Hobane lits'ebetso tse fapaneng li na le litlhoko tse fapaneng bakeng sa khekhe ea mahlo, joalo ka matla, sebaka sa mela le maqhubu a bohareng, sena se lebisitse tlhokong ea ho sebelisa mekhoa e fapaneng ea liteko ho hlahisa li-optical combs, joalo ka li-laser tse notletsoeng, li-micro-resonator le electro-optical. moduthara.
FEIE.1 Nako ea domain spectrum le frequency domain spectrum ea optical frequency comb
Mohloli oa setšoantšo: Likamano tsa maqhubu a Electro-optic
Ho tloha ha ho sibolloa li-optical frequency combs, li-combs tse ngata tsa optical frequency li hlahisitsoe ho sebelisoa li-laser tse notletsoeng ka mokhoa o itseng.Ka li-lasers tse notletsoeng ka mokhoa, sekoti se nang le nako ea ho ea le ho khutla ea τ se sebelisetsoa ho lokisa kamano ea mohato pakeng tsa mekhoa ea longitudinal, e le ho fumana tekanyo ea ho pheta-pheta ha laser, eo ka kakaretso e ka bang ho tloha megahertz (MHz) ho ea gigahertz () GHz).
Motsoako oa maqhubu a optical o hlahisoang ke micro-resonator o ipapisitse le litlamorao tse se nang moeli, 'me nako ea ho ea le ho khutla e khethoa ke bolelele ba "micro-cavity", hobane bolelele ba "micro-cavity" hangata bo ka tlase ho 1mm, maqhubu a optical. kama e hlahisoang ke micro-cavity hangata ke 10 gigahertz ho 1 terahertz.Ho na le mefuta e meraro e tloaelehileng ea microcavities, microtubules, microspheres le microrings.Ho sebelisa liphello tse se nang moeli ka likhoele tsa optical, tse kang ho hasana ha Brillouin kapa ho kopanya maqhubu a mane, ho kopantsoe le li-microcavities, li-combs tsa optical frequency tse mashome a li-nanometers li ka hlahisoa.Ntle le moo, li-combs tsa optical frequency le tsona li ka hlahisoa ka ho sebelisa li-modulator tse ling tsa acousto-optic.
Nako ea poso: Dec-18-2023