Nau'inLaser mai daidaitawa
Ana iya raba aikace-aikacen na'urorin laser mai kunnawa gabaɗaya zuwa manyan nau'ikan biyu: ɗaya shine lokacin da layin-ɗayan layi ko madaidaiciyar tsayin tsayin tsayin tsayin daka ba zai iya samar da madaidaicin raƙuman raƙuman ruwa da ake buƙata ko fiye; Wani nau'in ya ƙunshi yanayi indaLaserDole ne a ci gaba da sauraren tsawon zango yayin gwaje-gwaje ko gwaje-gwaje, irin su spectroscopy da gwajin gano famfo.
Yawancin nau'ikan lasers masu kunnawa suna iya haifar da ci gaba da igiyar ruwa (CW), nanosecond, picosecond ko bugun bugun femtosecond. Abubuwan da aka fitar da shi suna ƙaddara ta hanyar matsakaicin riba na Laser da aka yi amfani da shi. Babban abin da ake buƙata don na'urorin da za a iya kunnawa shine cewa za su iya fitar da laser a kan kewayon tsayi mai yawa. Ana iya amfani da abubuwan haɗin gani na musamman don zaɓar takamaiman tsayin raƙuman raƙuman raƙuman ruwa ko maɗaurin raƙuman raƙuman raƙuman ruwa daga makaɗaɗɗen fitarwa nana'urar lasers. Anan zamu gabatar muku da na'urori masu amfani da hasken wuta da yawa
Tunable CW tsaye kalaman Laser
A ra'ayi, daCW Laser mai kunnawashine mafi saukin gine-ginen Laser. Wannan laser ya haɗa da madubi mai zurfi, matsakaicin riba da madubi mai haɗawa (duba Hoto 1), kuma yana iya samar da kayan aiki na CW ta amfani da kafofin watsa labaru daban-daban. Don cimma daidaituwa, matsakaicin riba wanda zai iya rufe kewayon tsayin maƙasudin yana buƙatar zaɓi.
2. Tunable CW zobe Laser
An daɗe ana amfani da Laser na zobe don cimma nasarar fitar da CW ta hanyar yanayin tsayi guda ɗaya, tare da bandwidth mai ban mamaki a cikin kewayon kilohertz. Hakazalika da na'urorin da ke tsaye, Laser na zobe na iya yin amfani da rini da sapphire titanium a matsayin samun kafofin watsa labarai. Rini na iya samar da faɗin layi mai kunkuntar ƙasa da 100 kHz, yayin da sapphire titanium yana ba da faɗin layin ƙasa da 30 kHz. Matsakaicin daidaitawar Laser ɗin rini shine 550 zuwa 760 nm, kuma na Laser sapphire na titanium shine 680 zuwa 1035 nm. Abubuwan da ake samu na nau'ikan laser guda biyu na iya zama mita-ninki biyu zuwa rukunin UV.
3. Mode-kulle quasi-ci gaba da Laser
Don aikace-aikace da yawa, daidaitaccen ma'anar halayen lokacin fitarwa na laser ya fi mahimmanci fiye da ma'anar makamashi daidai. A haƙiƙa, samun gajeriyar bugun gani na gani yana buƙatar saitin rami tare da yawancin yanayin tsayin daka suna resonating lokaci guda. Lokacin da waɗannan hanyoyin madaidaiciyar keken keke suna da ƙayyadaddun dangantakar lokaci a cikin rami na Laser, za a kulle Laser ɗin. Wannan zai ba da damar bugun bugun jini guda ɗaya don yin juzu'i a cikin rami, tare da ayyana lokacinsa da tsayin rami na Laser. Za'a iya samun nasarar kulle yanayin aiki ta amfani da waniacousto-optic modulator(AOM), ko kulle-kulle yanayin wucewa ana iya gane ta ta ruwan tabarau na Kerr.
4. Ultrafast ytterbium Laser
Kodayake Laser sapphire na titanium yana da fa'ida mai fa'ida, wasu gwaje-gwajen hoto na halitta suna buƙatar tsayin tsayi. Tsarin shayar da hoto biyu na al'ada yana jin daɗi ta photons tare da tsayin tsayin nm 900. Saboda tsayin raƙuman raƙuman ruwa yana nufin ƙarancin tarwatsewa, tsayin tsayin motsin rai zai iya haifar da gwaje-gwajen halittu yadda ya kamata waɗanda ke buƙatar zurfin hoto mai zurfi.
A zamanin yau, an yi amfani da na'urar laser mai kunnawa a fannoni da yawa masu mahimmanci, kama daga ainihin binciken kimiyya zuwa masana'antar laser da kimiyyar rayuwa da kiwon lafiya. Hanyoyin fasahar da ake da su a halin yanzu suna da fadi sosai, suna farawa daga tsarin CW masu sauƙi, wanda za a iya amfani da kunkuntar layi mai zurfi don ƙididdiga masu mahimmanci, kwayoyin halitta da atomic, da gwaje-gwajen ƙididdigar ƙididdiga, samar da mahimman bayanai ga masu bincike na zamani. Masana'antun Laser na yau suna ba da mafita ta tsayawa ɗaya, suna samar da fitarwar laser sama da 300 nm a cikin kewayon makamashi na nanojoule. Ƙarin hadaddun tsarin sun faɗi kewayon ban sha'awa mai ban sha'awa na 200 zuwa 20,000 nm a cikin kewayon makamashi na microjoule da millijoule.
Lokacin aikawa: Agusta-12-2025