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Chii chinonzi cryogenic laser
Chii chinonzi "cryogenic laser"? Kutaura zvazviri, ilaser inoda kushanda nekupisa kwakaderera munzvimbo ine gain medium. Pfungwa yemalaser anoshanda pakupisa kwakaderera haisi itsva: laser yechipiri munhoroondo yaive cryogenic. Pakutanga, pfungwa yacho yaive yakaoma kuita kuti ishande nekupisa kwemukamuri, uye ...Verenga Zvakawanda -
Kushanda zvakanaka kwe quantum kwe photodetector kunokanganisa muganho wedzidziso
Sekureva kwesangano renyanzvi dzefizikisi, network yavo ichangobva kuzivisa kuti vaongorori vekuFinland vakagadzira black silicon photodetector ine external quantum efficiency ye130%, inova ndiyo nguva yekutanga iyo kushanda kwezvishandiso zve photovoltaic kunopfuura muganho wedzidziso we100%, zvinova...Verenga Zvakawanda -
Mhedzisiro yekutsvagisa yazvino ye organic photodetectors
Vatsvagurudzi vakagadzira uye vakaratidza chiedza chitsva chegirini chinotora mafoto detector anopenya eorganic anonyatsonzwa uye anoenderana nenzira dzekugadzira dzeCMOS. Kuisa mafoto detector matsva aya mumasensa emifananidzo esilicone hybrid kunogona kubatsira kune akawanda maapplication. Izvi...Verenga Zvakawanda -
Kukura kwemasensa einfrared kwakanaka
Chero chinhu chine tembiricha iri pamusoro pe zero chaiyo chinoburitsa simba muchadenga muchimiro chechiedza che infrared. Tekinoroji yekunzwa inoshandisa infrared mwaranzi kuyera huwandu hwakakodzera hwemuviri inonzi infrared sensing technology. Tekinoroji yekunzwa infrared ndeimwe yehunyanzvi hunokurumidza...Verenga Zvakawanda -
Musimboti weLaser uye mashandisirwo ayo
Laser inoreva maitiro uye chishandiso chekugadzira mwenje wechiedza wakasanganiswa, wakafanana, wakabatana kuburikidza nekuwedzera kwemwaranzi kwakakurudzirwa uye mhinduro inodiwa. Chaizvoizvo, kugadzirwa kwelaser kunoda zvinhu zvitatu: "resonator," "gain medium," uye "pu...Verenga Zvakawanda -
Chii chinonzi integrated optics?
Pfungwa ye integrated optics yakaunzwa naDr. Miller weBell Laboratories muna 1969. Integrated optics inyaya itsva inoongorora nekugadzira michina ye optical uye masisitimu emagetsi e optical hybrid achishandisa nzira dzakabatana zvichibva pa optoelectronics ne microelectronics.Verenga Zvakawanda -
Nheyo yekutonhodza kwelaser uye kushandiswa kwayo kumaatomu anotonhora
Nheyo yekutonhodza kwelaser uye kushandiswa kwayo kumaatomu anotonhora. Mufizikisi yemaatomu anotonhora, basa rakawanda rekuyedza rinoda kudzora zvidimbu (kusunga maatomu eionic, akadai semawachi eatomu), kuaderedza, uye kuvandudza kurongeka kwekuyera. Nekuvandudzwa kwetekinoroji yelaser, laser coo...Verenga Zvakawanda -
Nhanganyaya kuma photodetectors
Photodetector mudziyo unoshandura masaini echiedza kuita masaini emagetsi. Mu semiconductor photodetector, carrier inogadzirwa nemufananidzo inomutswa ne incident photon inopinda mu external circuit pasi pe applied bias voltage uye inoumba photocurrent inoyerwa. Kunyangwe pa high respons...Verenga Zvakawanda -
Chii chinonzi laser inokurumidza zvikuru
A. Pfungwa yema lasers ekukurumidza. Ma lasers ekukurumidza anowanzo kureva ma lasers ekukurumidza anoburitswa nemode-locked anoshandiswa kuburitsa ma pulses mapfupi, semuenzaniso, ma pulses e femtosecond kana picosecond duration. Zita rakarurama ringave ultrashort pulse laser. Ma lasers ekukurumidza anoburitswa nemode-locked lasers, asi ...Verenga Zvakawanda -
Pfungwa uye kupatsanurwa kwe nanolasers
Nanolaser rudzi rwemudziyo mudiki uye mudiki unogadzirwa nezvinhu zvakaita se nanowire se resonator uye unogona kuburitsa laser pasi pe photoexcitation kana electrical excitation. Saizi ye laser iyi inowanzo kuve mazana ema microns kana makumi ema microns, uye dhayamita inosvika nanometer ...Verenga Zvakawanda -
Spectroscopy yekupwanyika kweLaser
Laser-Induced Breakdown Spectroscopy (LIBS), inozivikanwawo seLaser-Induced Plasma Spectroscopy (LIPS), inzira yekuona maspectral nekukurumidza. Nekutarisa laser pulse ine simba rakawanda pamusoro pechinangwa chemuenzaniso wakaedzwa, plasma inogadzirwa neablation excitation, uye ...Verenga Zvakawanda -
Chii chinonzi spatial light modulator?
Spatial light modulator zvinoreva kuti pasi pesimba rekushanda, inogona kugadzirisa mamwe ma parameter echiedza kuburikidza nema liquid crystal molecules, akadai sekugadzirisa amplitude yechiedza, kugadzirisa phase kuburikidza ne refractive index, kugadzirisa polarization state kuburikidza nekutenderera kwe ...Verenga Zvakawanda
