Babban hanyar fasaha namadaidaicin kunkuntar-linewidth lasers
Babban hanyoyin fasaha na tunablekunkuntar-linewidth Lasertare da semiconductor m cavities
Matsakaicin kunkuntar-layi-layi Laser shine tushen aikace-aikace masu fa'ida a fannoni kamar kimiyyar atomic, spectroscopy, bayanin adadi, sadarwa mai daidaituwa, tsinkaye mai nisa, da ma'auni daidai. A cikin waɗannan fagagen, mafi sauƙi, mai rahusa, kunkuntar layi da fiɗaɗɗen kewayon lesa za su ci gaba da fitar da sabbin aikace-aikacen wannan fasaha.
A cikin shekaru 50 da suka gabata, tarihin tarihintushen haske mai daidaitawaTLS Laser ya nuna ci gaban fasahar Laser. An maye gurbin Laser ɗin rini na farko da laser diode cavity diode lasers (ECDLs), yayin da tsarin ƙarfin ƙarfi ya mamaye manyan lases masu ƙarfi (kamar Laser-sapphire lasers) ko canza mitar Nd: YAG lasers ta amfani da oscillators na gani na gani (OPO). Laser diode ba tare da tsayayyen cavities na waje sun cika ƙarshen kasuwa mai ƙarancin farashi da ƙarancin aiki tare da DFB Laser na kasuwanci da diodes DBR, tare da faɗin layi kamar kunkuntar 500kHz. Kwanan nan, Laser fiber da m-mita fiber Laser sun fara maye gurbin da yawa m-state tsarin da daban-daban kayayyaki, bayar da mafi girma iko da kuma mafi girma tunability, ko kunkuntar line wides. A zamanin yau, fitowar tafsirin mitar yana ba da damar daidaitawar laser da za a samu a kowane tsayin tsayi yayin da yake riƙe kyakkyawan kwanciyar hankali da daidaito. Duk da haka, duk da wannan, kogon wajesemiconductor Laserhar yanzu yana kiyaye matsayinsa azaman tushen hasken da aka saba amfani dashi a cikin dakunan gwaje-gwaje da yawa saboda sauƙin sa, ayyuka da yawa, aikin mutuntawa da ƙarancin farashi.
A halin yanzu, an yi amfani da laser kunkuntar kunkuntar-layi tare da semiconductor na waje a cikin:
Laser sanyaya da kama
Bose-Einstein condensation
Quantum Optics: Hasken da aka matsa
Electromagnetic m da jinkirin haske
Ma'auni na lokaci da mita
Laser spectroscopy
Nau'in kunkuntar-layi-layi mai kunnawa yawanci sun ƙunshi na'ura mai sarrafawa, diode laser da tsarin zaɓin mita. Alal misali, gratings amfani da Laser mita selection da kunna, ko tace bisa cat ta ido tsarin, da dai sauransu The muhimmanci halaye na tunable kunkuntar-linewidth Laser tare da waje kogon semiconductor sun hada da kunkuntar Laser linewidth, low mita gantali, da fadi da kewayo, da dai sauransu Kuma wadannan fitattun halaye dogara a kan wani musamman Laser drive kewaye, da overall inji kwanciyar hankali da mita na Laser. Don cimma matsakaicin kwanciyar hankali na Laser, ana iya ƙara nau'ikan nau'ikan na'urorin kulle mitar laser daban-daban. Misali, ta amfani da fasahar daidaita mitar PDH don kulle igiyar Laser a kan kogon ƙwanƙwasa na gani, za'a iya rage girman layin Laser zuwa matakin 1 Hz, kuma kwanciyar hankalin mitar na iya kaiwa <3× 10-15 @ 1 s.
Lokacin aikawa: Juni-11-2025