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Energetic picosecond 10.2-µm pulses inogadzirwa muBGGSe crystal yekudyara isina mutsara yeterawatt-class CO2 amplifiers.
Isu tinoratidza izvo zvatinotenda senzira nyowani kune inesimba picosecond 10.2-μm pulse chizvarwa zvichibva pakusanganisa kusingaenzaniswi kwe subnanosecond single-frequency 1338-nm pulses uye Broadband 1540-nm chirped pulses muBGGSe crystal inoteverwa ne grating compressor yechinangwa. yekudyara yakakwirira-simba CO2 amplifiers.Simba re10.2-μm pulses rinopfuura 60 μJ ne 3.4%-rms kuchinja kunogona kuwanikwa nguva dzose.Kamwe-kupfura pulse duration kuyerwa, yakaitwa naKerr polarization rotat...
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Yakanyanya kushanda zvakanaka octave-yakareba-wavelength infrared chizvarwa ine 74% quantum kunyatsoshanda mu χ(2) waveguide.
Mune ZnGeP2-yakavakirwa waveguide chikuva, octavespanning spectrum inovhara 5-11 μm inogadzirwa kuburikidza neoptical parametric chizvarwa (OPG).A quantum shanduko inoshanda ye74% serekodhi nyowani muLWIR single-pass parametric process inowanikwa.Chikumbaridzo simba chinoyerwa se ~ 616 pJ, yakaderedzwa neinopfuura 1-odha yehukuru kana ichienzaniswa neiyo yeMIR OPGs mune zvakawanda media.Yedu prototype micro-waveguide chikuva inogona kuwedzerwa kune imwe χ(2) birefringence makristasi uye kukonzeresa kutsva kubva ...
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Iyo inodarika 60% kunyatsoita Nd: YAG yakajeka ceramic laser ine yakaderera attenuation kurasikirwa maitiro
Pano, attenuation kurasikirwa maitiro uye laser performance yekusimudzira yeNd: YAG yakajeka ceramics yakaongororwa.Uchishandisa 0.6 pa.% Nd: YAG ceramic tsvimbo ine 3 mm dhayamita uye 65 mm kureba, iyo yekuparadzira coefficient uye absorption coefficient pa 1064 nm yakayerwa kuva 0.0001 cm-1 uye 0.0017 cm-1, zvichiteerana.Kune iyo 808 nm side-pumped laser kuyedza, avhareji simba rekubuda re44.9 W rakawanikwa ne-optical-to-optical conversion performance ye26.4%, yakada kufanana ne...
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High Pulse Energy, Narrow Linewidth 6.45 µm kubva kune Optical Parametric Oscillator muBaGa4Se7 Crystal
Iri bepa rinopa yakakwira pulse simba, nhete mutsara, yepakati-infrared (MIR) laserat 6.45 µm, yakavakirwa paBaGa4Se7 (BGSe) crystal optical parametric oscillator (OPO) inopombwa ne1.064 µm laser.Iyo yakanyanya pulse simba pa6.45 µm yaisvika ku1.23 mJ, ine pulse yakafara ye24.3 ns uye kudzokorora mwero we10 Hz, inoenderana neiyo optical-optical kutendeuka efficacy ye2.1%, kubva papombi mwenje 1.064 µm kuenda kune isingaite mwenje µm6.Iyo idler light linewidth yaive ingangoita 6.8 nm. Zvichakadaro, isu tinoverenga chaizvo ...
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43 W, 7 ns inoramba iine pulse duration, high-repetition-rate langasite cavity-dumped Ho:YAG laser uye kushandiswa kwayo mukati me-infrared ZGP OPOs.
Mubepa rino, isu tinoratidza langasite (LGS) electro-optic Ho: YAG mhango-yakaraswa laser iyo inodzvanya kutsamira kwekuwana kutsamira kwekureba kwepulse muQ-switched lasers.Kuramba kuripo kwe7.2 ns kwakawanikwa pachiyero chekudzokorora che100 kHz.Kubatsirwa kubva kuLGS crystal haina yakakosha reverse piezoelectric ring effect uye thermally induced depolarization, chitima chakatsiga chepulse chakawanikwa pane simba rinobuda re 43 W. Kekutanga, kushandiswa kwecavity-dumped laser in mi...
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