Okwu Mmalite nke laser semiconductor nke na-ewepụta oghere kwụ ọtọ (VCSEL)

Okwu Mmalite maka elu oghere kwụ ọtọ na-apụtalaser semiconductor(VCSEL)
E mepụtara laser ndị na-ewepụta elu oghere kwụ ọtọ n'etiti afọ 1990 iji merie nsogbu dị mkpa nke kpalitere mmepe nke laser semiconductor ọdịnala: otu esi emepụta mmepụta laser dị ike nke nwere ogo ọkụ dị elu na ụdị transverse dị mfe.
Laser ndị na-ewepụta elu oghere dị n'èzí (Vecsels), nke a makwaara dị kaLaser diski semiconductor(SDL), bụ ndị ọhụrụ so n'ezinụlọ laser. Ọ nwere ike imepụta ogologo oge ikuku site na ịgbanwe ihe mejupụtara ihe na ọkpụrụkpụ nke olulu quantum dị na semiconductor gain medium, ma jikọta ya na ugboro ugboro intracavity nwere ike ikpuchi oke ogologo oge site na ultraviolet ruo infrared dị anya, na-enweta mmepụta ike dị elu ebe ọ na-enwe obere ọdịiche dị iche iche. Ihe mejupụtara resonator laser bụ nke usoro DBR dị ala nke mgbawa uru na enyo njikọ mpụga. Nhazi resonator mpụga pụrụ iche a na-enye ohere itinye ihe anya n'ime oghere maka ọrụ dịka okpukpu abụọ ugboro, ọdịiche ugboro ugboro, na mkpọchi ụdị, na-eme ka VECSEL bụrụ ihe kacha mma.isi iyi lasermaka ngwa dịka biophotonics, spectroscopy,ọgwụ laser, na ihe ngosi laser.
Resonator nke laser semiconductor nke na-ewepụta elu VC dị n'akụkụ ebe mpaghara ahụ dị, ìhè mmepụta ya dịkwa n'akụkụ nke mpaghara ahụ dị n'akụkụ, dịka egosiri na eserese ahụ. VCSEL nwere uru pụrụ iche, dịka obere nha, ugboro dị elu, ezigbo mma ọkụ, oke mmebi elu oghere buru ibu, na usoro mmepụta dị mfe. Ọ na-egosi arụmọrụ dị mma na ojiji nke ngosipụta laser, nkwukọrịta anya na elekere anya. Agbanyeghị, VCsels enweghị ike inweta laser ike dị elu karịa ọkwa watt, yabụ enweghị ike iji ha n'ọhịa nwere oke ike achọrọ.

Ihe na-eme ka resonator laser nke VCSEL dị na Bragg reflector (DBR) nke mejupụtara usoro epitaxial dị iche iche nke ihe semiconductor n'akụkụ elu na ala nke mpaghara na-arụ ọrụ, nke dị nnọọ iche na nke ahụ.laserresonator nke e ji oghere dị n'ime EEL mee. Ntugharị nke resonator optical VCSEL dị n'akụkụ elu chip ahụ, mmepụta laser ahụ dịkwa n'akụkụ elu chip ahụ, ntụgharị nke akụkụ abụọ nke DBR dịkwa elu karịa nke elu ngwọta EEL ahụ.
Ogologo resonator laser nke VCSEL na-abụkarị obere microns ole na ole, nke pere mpe karịa nke resonator milimita nke EEL, uru otu ụzọ nke sitere na oscillation ubi anya dị n'ime oghere ahụ dị ala. Ọ bụ ezie na enwere ike nweta mmepụta ọnọdụ transverse dị mkpa, ike mmepụta nwere ike iru naanị ọtụtụ milliwatts. Profaịlụ nke mpaghara obe nke eriri laser mmepụta VCSEL bụ okirikiri, akụkụ nkewa dịkwa obere karịa nke ogwe laser na-ewepụta n'akụkụ. Iji nweta mmepụta ike dị elu nke VCSEL, ọ dị mkpa ịbawanye mpaghara na-enwu iji nye uru karịa, mmụba nke mpaghara na-enwu ga-eme ka laser mmepụta ghọọ mmepụta ọtụtụ ụdị. N'otu oge ahụ, ọ na-esiri ike inweta ntinye ugbu a otu na mpaghara na-enwu enwu, ntinye ugbu a na-adịghị mma ga-eme ka mkpokọta okpomọkụ mkpofu ka njọ. Na nkenke, VCSEL nwere ike ịpụta ebe okirikiri okirikiri nke bụ isi site na nhazi usoro ezi uche dị na ya, mana ike mmepụta dị ala mgbe mmepụta bụ otu ụdị. Ya mere, a na-etinye ọtụtụ VCsels na ụdị mmepụta.