AkasiyanaUltraff laserchikamu zviviri
Kupararira uye pulse kupararira: boka kunonoka kupararira
Imwe yezvinetso zvinonyanya kuoma kusangana kana uchishandisa Ultraff Lasers iri kuchengetedza nguva yeiyo ultra-pfupi madhiri yakatanga yakabikwa nelaser. Ultrafle Pulses inokanganiswa nenguva yekukanganisa, iyo inoita kuti kudhonzwa kwenguva refu. Mhedzisiro iyi inowedzera kuipa sezvo iyo nguva yekutanga purse kupotsa. Nepo mostreralast lasers inogona kukurudzira pulses ine nguva yemasekondi makumi mashanu, ivo vanogona kukwidziridzwa munguva nekushandisa magirazi uye lens kuendesa pulse nzvimbo, kana kuti ingotambanudzira pulse kuburikidza nemhepo.
Panguva ino kukanganisa kunoratidzwa uchishandisa chiyero chinonzi boka rakanonoka kuparadzaniswa (GDD), zvakare inozivikanwa seechipiri-kurongedza-kwechipiri kupararira. Muchokwadi, kune zvakare kukwirira-kurongedza kudzikisira mazwi ayo anogona kukanganisa nguva yekuparadzira nguva yeltraffart-laser purses, asi mukuita, inowanzo kukwana kungoongorora mhedzisiro yeGDD. GDD ndeye frequency-inotsamira kukosha iyo inoenderana zvinoenderana nehukobvu hwezvinhu zvakapihwa. Transmitation Optics yakadai se lens, uye zvikamu, uye zvinangwa zveganda kazhinji zvine gwara reGddLaser Systems. Zvikamu zvine mwero zvakaderera (kureva kuti, kureba wavelengths) kuparadzaniswa nekukurumidza kupfuura zvikamu zvine hupfumi (kureva, mapfupi, mapfupi wavelengths). Sezvo pulse ichipfuura nepakati nepakati uye zvimwe zvinhu, iyo wavelength mune pulse ichaenderera mberi nekuwedzera mberi uye mberi munguva. Zvekupfupisa dhiramu durations, uye saka bandwidths dzakakura, mhedzisiro iyi yakawedzera kuwedzeredza uye inogona kuguma nekukosha munguva yekunyora nguva kukanganisa.
Ultrauffasswa Laser Zvishandiso
Spectroscopy
Kubva pakuuya kweiyo ultraff laser masosi, spectroscopy yave imwe yenzvimbo dzadzo huru dzekushandisa. Nekudzora iyo pulse nguva yekuita femtoseconds kana kunyange maAttoseconds, maitiro ane simba mufizikisi, chemistry uye biology iyo yaive nhoroondo yekucherechedzwa inogona kuitika ikozvino inogona kuitika ikozvino. Imwe yemaitiro makuru maAtomic inofamba, uye kutaridzika kweatomic kufamba kwakawedzera kunzwisisa kwesainzi maitiro akadai seye molecular vibration, moleky dissocation uye esimba kuendesa mumapuroteni emapuranga.
biiging
Peak-magetsi Ultrausta Lasers anotsigira nonlinear maitiro uye kuvandudza resolution yekufungidzira kwezvinhu, senge akawanda-Photon microscopy. Mune yakawanda-photon system, kuitira kuti ubudise chiratidzo chisiri chebhokisi kubva kune yebhizimusi yepakati kana fluorescent chinangwa, mapikicha maviri anofanira kuwanda munzvimbo nenguva. Iyi nonlinear mechanism inovandudza kufungidzira kugadzirisa nekudzora zvakanyanya kuderedza masaga emamiriro ezvinhu ekuita kuti idzo dzinotambisa dzidzo dzisina kuroora. Chiratidzo Chakareruka Chikwangwani chinonzi chinoratidzwa. Nzvimbo diki inoenderana yeiyo microscope inodzivirirawo PhotoToxityity uye inoderedza kukuvadza kune sampuli.
Mufananidzo 1: Muenzaniso Dhizaini yeiyo Beam nzira mune akawanda-Photon microscope kuyedza
Laser zvinhu kugadzirisa
Ultrafas laser zvinyorwa zvakandoshora zvakare laser micromachining uye zvekugadzirisa nekuda kwenzira yakasarudzika iyo ultrashort inopindirana nezvinhu. Sezvambotaurwa, paunenge uchikurukura LDT, iyo Ultrafle pulse nguva inokurumidza kupfuura chiyero chekupisa kusiyana mune imwe zvinhu zvezvinyorwa. Ultrafle Lasers inogadzira iyo diki diki kupisa-yakakanganiswa nzvimbo kupfuuraNanosecond akasvetuka lasers. Iyi nhungamiro inoshandawo pakurapa kwekurapa, uko kuwedzerwa kwekuwedzera kweiyo ulasttraffart-laser kutema kunobatsira kukuvadza kune tishu mumurwere uye kunovandudza ruzivo rwemurwere panguva yeLaser kuvhiya.
Attosecond Pulses: Ramangwana re UltrAff Lasers
Sezvo kutsvagurudzo kunoramba uchifambidzana kufambidzana kwekupedzisira Lasers, nyowani uye yakavandudzwa zvinyorwa zvine mapfupi nePfupi dhiramu durations iri kugadzirwa. Kuti uwane nzwisiso yekukurumidza kuita zvinhu, vazhinji vanotsvaga vanotarisa pachizvarwa cheAttemocond Attosecond Pulses inobvumira kuteedzera kweElectron mafambiro uye kuvandudza kunzwisisa kwedu kweemagetsi emagetsi uye huwandu hwemamita. Nepo kubatanidzwa kweXuv attosecond lasters mumaindasitiri ari kufambira mberi, kufambira mberi uye kufambira mberi tekinoroji inobuda muLab uye nekugadzira, sezvazvakaita ne femtosecond uye picosecondlaser zvinyorwa.
Kutumira Nguva: Jun-25-2024