Ụzọ teknuzu bụ isi nke lasers dị warara dị warara

The isi oru ụzọ nkelasers dị warara-line obosara na-atụgharị

The isi oru ụzọ nke tunablelasers dị warara-line obosarana semiconductor mpụta cavities

Laser dị warara dị warara nke a na-atụgharị bụ ntọala maka ngwa obosara na mpaghara dịka physics atọm, spectroscopy, ozi ọnụọgụgụ, nzikọrịta ozi, nghọta dịpụrụ adịpụ, na nha nkenke. Na mpaghara ndị a, mfe, dị ọnụ ala, warara linewidth na wider n'iji ya gee ntị lasers ga-anọgide na-akwọ ụgbọala ọhụrụ ngwa nke a technology.

N'ime afọ 50 gara aga, akụkọ ihe mere eme nketunable ìhè isi iyiTLS Laser egosipụtala mmepe nke teknụzụ laser. Ejiri laser diode cavity diode lasers (ECDLs) nọchie lasers dye nke mbụ, ebe sistemu ike dị elu na-achịkwa lasers steeti siri ike (dị ka titanium-sapphire lasers) ma ọ bụ Nd: YAG lasers na-agbanwe ugboro ugboro site na iji oscillator optical parametric oscillators (OPO). Diode lasers na-enweghị oghere dị elu kwụsiri ike ejirila DFB Laser na DBR diodes azụmahịa mejuo ahịa dị ọnụ ala na nke dị ala, yana obosara ahịrị dị warara dị ka 500kHz. Na nso nso a, fiber lasers na variable-frequency fiber lasers amalitela iji ụdị dị iche iche dochie ọtụtụ sistemụ steeti siri ike, na-enye ike dị elu na nke ukwuu, ma ọ bụ obosara ahịrị dị warara. N'oge a, mpụta nke combs ugboro na-enyere aka nweta lasers ugboro ugboro n'ogologo ọ bụla ma na-ejigide nkwụsi ike na izi ezi. Otú ọ dị, n'agbanyeghị nke a, mpụga ogheresemiconductor laserka na-ejigide ọnọdụ ya dị ka isi iyi ọkụ a na-ejikarị eme ihe n'ọtụtụ ụlọ nyocha n'ihi ịdị mfe ya, ọtụtụ ọrụ, arụmọrụ a na-akwanyere ùgwù na ọnụ ala dị ala.

Ka ọ dị ugbu a, a na-etinye lasers dị warara dị warara nke nwere semiconductor oghere dị na mpụga ebe niile na:

Laser jụrụ na ijide

Bose-Einstein condensation

Quantum Optics: Ìhè agbakọrọ

Electromagnetic transperent na obere ọkụ

Ụkpụrụ oge na ugboro ole

Laser spectroscopy

Laser dị warara dị warara nke a na-emegharị emegharị na-ejikarị njikwa, diode laser na modul nhọrọ ọnụọgụ ugboro. Dị ka ihe atụ, gratings eji maka laser ugboro nhọrọ na n'iji ya gee ntị, ma ọ bụ nzacha dabeere na pusi anya Ọdịdị, wdg The mkpa e ji mara nke tunable warara-linewidth lasers na mpụga oghere semiconductors na-agụnye warara laser linewidth, ala ugboro ịkpafu, na obosara n'iji ya gee ntị nso, wdg. Na ndị a pụtara ìhè e ji mara na-adabere na ihe kemgwucha laser mbanye sekit, n'ozuzu n'ibu ụkpụrụ nke laser nhọrọ, magburu onwe n'ibu ụkpụrụ nke laser. Iji nweta nkwụsi ike ugboro ugboro dị elu nke laser, enwere ike ịgbakwunye ụdị dị iche iche nke modul mkpọchi laser. Dịka ọmụmaatụ, site na iji teknụzụ nkwụsi ike ugboro ugboro PDH iji kpọchie ogologo ikuku laser na oghere anya super-stable cavity, linewidth nke laser nwere ike warara na ọkwa nke 1 Hz, na nkwụsi ike ugboro nwere ike iru <3× 10-15 @ 1 s.