Ƙarfin ƙarfi da ƙarfin ƙarfin laser

Ƙarfin ƙarfi da ƙarfin ƙarfin laser

Density wani nau'i ne na jiki wanda muka saba da shi sosai a cikin rayuwarmu ta yau da kullum, yawancin da muke tuntuɓar shi shine yawancin abu, tsarin tsari shine ρ = m / v, wato, density yana daidai da taro da aka raba ta girma. Amma ƙarfin wutar lantarki da ƙarfin wutar lantarki na Laser sun bambanta, a nan an raba ta wurin yanki maimakon ƙarar. Har ila yau, wutar lantarki shine hulɗar mu tare da adadi mai yawa na jiki, saboda muna amfani da wutar lantarki a kowace rana, wutar lantarki za ta ƙunshi wutar lantarki, ma'aunin wutar lantarki na duniya shine W, wato J/s, shine rabon makamashi da lokaci, kasa da kasa misali naúrar makamashi shi ne J. Don haka ƙarfin ƙarfin shine manufar haɗa ƙarfi da yawa, amma a nan ne yankin da iska mai iska na tabo maimakon ƙarar, ƙarfin da aka raba ta wurin wurin fitarwa shine yawan ƙarfin wutar lantarki, wato. , naúrar yawan wutar lantarki shine W/m2, kuma a cikinfilin laser, saboda yankin tabo mai haskaka hasken Laser yana da ƙananan ƙananan, don haka gabaɗaya W/cm2 ana amfani dashi azaman naúrar. An cire ƙarfin makamashi daga ra'ayi na lokaci, hada makamashi da yawa, kuma naúrar shine J / cm2. A al'ada, ci gaba da Laser aka bayyana ta amfani da ikon yawa, yayin dapulsed lasersana bayyana su ta amfani da ƙarfin ƙarfin duka da ƙarfin kuzari.

Lokacin da Laser yayi aiki, yawan ƙarfin wutar lantarki yawanci yana ƙayyade ko an kai bakin kofa don lalatawa, ko zubarwa, ko wasu kayan aiki. Ƙofa ra'ayi ne da ke bayyana sau da yawa lokacin nazarin hulɗar laser tare da kwayoyin halitta. Don nazarin gajeriyar bugun jini (wanda za'a iya la'akari da shi azaman matakin mu), matsananci-gajeren bugun jini (wanda za'a iya la'akari dashi azaman matakin ns), har ma da saurin-sauri (ps da fs matakin) kayan hulɗar Laser, masu binciken farko yawanci yawanci. rungumi manufar yawan makamashi. Wannan ra'ayi, a matakin hulɗar, yana wakiltar makamashin da ke aiki a kan manufa ta kowane yanki na yanki, a cikin yanayin laser na wannan matakin, wannan tattaunawa yana da mahimmanci.

Hakanan akwai madaidaicin madaidaicin ƙarfin ƙarfin allurar bugun bugun jini guda ɗaya. Wannan kuma yana sa nazarin hulɗar Laser-matter ya fi rikitarwa. Duk da haka, kayan aikin gwaji na yau suna canzawa akai-akai, nau'in nau'in bugun jini iri-iri, makamashin bugun jini guda ɗaya, mitar maimaitawa da sauran sigogi suna canzawa akai-akai, har ma suna buƙatar la'akari da ainihin fitarwa na laser a cikin canjin makamashi na bugun jini a cikin yanayin yawan makamashi. don aunawa, na iya zama mawuyaci. Gabaɗaya, ana iya la'akari da cewa ƙarfin kuzarin da aka raba ta hanyar nisa bugun jini shine matsakaicin matsakaicin ƙarfin lokaci (lura cewa lokaci yayi, ba sarari). Duk da haka, a bayyane yake cewa ainihin ma'anar igiyar Laser ba za ta zama rectangular ba, wave square, ko ma kararrawa ko Gaussian, wasu kuma an ƙaddara su ta hanyar kaddarorin Laser da kansa, wanda ya fi girma.

Yawan bugun bugun jini yawanci ana ba da nisa na rabin tsayin da aka bayar ta hanyar oscilloscope (cikakken tsayin rabin nisa FWHM), wanda ke sa mu ƙididdige ƙimar ƙarfin ƙarfin daga ƙarfin kuzari, wanda yake da girma. Ya kamata a lissafta mafi dacewa rabin tsayi da nisa ta hanyar haɗin kai, rabin tsayi da nisa. Babu wani cikakken bincike game da ko akwai ma'auni mai mahimmanci don sanin.Domin ƙarfin ƙarfin kanta, lokacin yin lissafi, yawanci yana yiwuwa a yi amfani da makamashin bugun jini guda ɗaya don ƙididdigewa, makamashin bugun jini guda ɗaya / bugun jini nisa / yanki. , wanda shine matsakaicin matsakaicin sararin samaniya, sannan kuma ya ninka ta 2, don ikon sararin samaniya (rabin sararin samaniya shine rarraba Gauss shine irin wannan magani, saman-hat ba ya buƙatar yin haka), kuma sa'an nan kuma ninka ta hanyar radial rarraba magana, Kuma kun gama.