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Menene laser mai ƙarfi
Menene "lasar cryogenic"? A zahiri, lasar ce da ke buƙatar aikin ƙananan zafin jiki a cikin yanayin samun riba. Manufar lasar da ke aiki a ƙananan zafin jiki ba sabon abu ba ne: lasar ta biyu a tarihi ta kasance cryogenic. Da farko, manufar ta kasance da wahala a cimma aikin zafin ɗaki, kuma ...Kara karantawa -
Ingancin na'urar gano hoto (photodetector) ya karya iyaka ta ka'ida
A cewar cibiyar sadarwa ta ƙungiyar masana kimiyyar lissafi kwanan nan, an ruwaito cewa masu bincike na ƙasar Finland sun ƙirƙiro na'urar gano haske ta silicon baƙar fata tare da ingancin kwantum na waje na kashi 130%, wanda shine karo na farko da ingancin na'urorin hasken rana ya wuce iyakar ka'idar kashi 100%, wanda shine...Kara karantawa -
Sabbin sakamakon bincike na masu gano ƙwayoyin halitta
Masu bincike sun ƙirƙiro kuma sun nuna sabbin na'urorin gano haske masu haske waɗanda ke ɗaukar haske mai kore waɗanda ke da matuƙar saurin amsawa da kuma dacewa da hanyoyin ƙera CMOS. Haɗa waɗannan sabbin na'urorin gano haske a cikin na'urori masu auna hoto na silicone na iya zama da amfani ga aikace-aikace da yawa. Waɗannan...Kara karantawa -
Ƙarfin haɓaka firikwensin infrared yana da kyau
Duk wani abu da zafinsa ya wuce sifili yana fitar da makamashi zuwa sararin samaniya ta hanyar hasken infrared. Fasahar ji da ke amfani da hasken infrared don auna adadin jiki da ya dace ana kiranta fasahar ji da hasken infrared. Fasahar ji da hasken infrared tana ɗaya daga cikin mafi sauri...Kara karantawa -
Ka'idar Laser da aikace-aikacensa
Laser yana nufin tsari da kayan aikin samar da hasken da aka haɗa da juna, mai kama da juna, ta hanyar ƙara haske mai ƙarfi da kuma amsawar da ake buƙata. Ainihin, samar da laser yana buƙatar abubuwa uku: "resonator," "gain medium," da "pu...Kara karantawa -
Menene na'urar hangen nesa mai haɗaka?
Dr. Miller na Bell Laboratories ne ya gabatar da manufar haɗakar tabarau a shekarar 1969. Haɗin tabarau wani sabon fanni ne wanda ke nazari da haɓaka na'urorin gani da tsarin na'urorin lantarki masu haɗakar haske ta amfani da hanyoyin haɗakar haske bisa tushen optoelectronics da microelectronics.Kara karantawa -
Ka'idar sanyaya laser da aikace-aikacensa ga ƙwayoyin sanyi
Ka'idar sanyaya laser da kuma amfani da shi ga kwayoyin halitta masu sanyi A cikin kimiyyar kwayar halitta mai sanyi, aikin gwaji da yawa yana buƙatar sarrafa barbashi (daure kwayoyin halitta masu ionic, kamar agogon atomic), rage su, da kuma inganta daidaiton ma'auni. Tare da haɓaka fasahar laser, laser coo...Kara karantawa -
Gabatarwa ga masu gano hoto
Na'urar gano haske wata na'ura ce da ke mayar da siginar haske zuwa siginar lantarki. A cikin na'urar gano haske ta semiconductor, mai ɗaukar hoto wanda photon ya haifar da farin ciki da abin da ya faru yana shiga cikin da'irar waje a ƙarƙashin ƙarfin lantarki mai bias kuma yana samar da hasken lantarki mai aunawa. Ko da a matsakaicin martani...Kara karantawa -
Menene laser mai sauri
A. Manufar laser mai sauri Lasers mai sauri yawanci yana nufin lasers masu kulle-kulle da aka yi amfani da su don fitar da bugun zuciya mai gajeru, misali, bugun femtosecond ko picosecond duration. Sunan da ya fi daidai zai zama laser mai gajeren bugun zuciya. Lasers mai gajeren bugun zuciya mai gajeru kusan lasers ne masu kulle-kulle, amma ...Kara karantawa -
Ra'ayi da rarrabuwa na nanolasers
Nanolaser wani nau'in na'urar micro da nano ne wanda aka yi da kayan nano kamar nanowire a matsayin resonator kuma yana iya fitar da laser a ƙarƙashin hasken rana ko motsin lantarki. Girman wannan laser galibi yana da ɗaruruwan microns kawai ko ma goma na microns, kuma diamita ya kai ga nanometer ...Kara karantawa -
Na'urar hangen nesa ta hanyar laser (rushewar spectroscopy)
Laser-Induced Breakdown Spectroscopy (LIBS), wanda kuma aka sani da Laser-Induced Plasma Spectroscopy (LIPS), wata dabara ce ta gano spectral cikin sauri. Ta hanyar mayar da hankali kan bugun laser mai yawan kuzari a saman abin da aka yi niyya na samfurin da aka gwada, ana samar da plasma ta hanyar motsa jiki na cirewa, da ...Kara karantawa -
Menene na'urar daidaita haske ta sarari?
Mai daidaita hasken sarari yana nufin cewa a ƙarƙashin iko mai aiki, zai iya daidaita wasu sigogi na filin haske ta hanyar ƙwayoyin lu'ulu'u na ruwa, kamar daidaita girman filin haske, daidaita matakin ta hanyar ma'aunin haske, daidaita yanayin polarization ta hanyar juyawar ...Kara karantawa
