Molao-motheo oa Tokiso ea Tunable semiconductor laser (Tunable laser)

Tuning molao-motheo oaLaser ea semiconductor e bonolo(Tunable laser)

Tunable semiconductor laser ke mofuta oa laser o ka tsoelang pele ho fetola bolelele ba maqhubu a tlhahiso ea laser ka mefuta e itseng. Tunable semiconductor laser e amohela tokiso ea mocheso, tokiso ea motlakase le tokiso ea mochini ho lokisa bolelele ba semiconductor, sebono sa ponts'o ea grating, mohato le mefuta e meng ho fihlela tokiso ea wavelength. Mofuta ona oa laser o na le mefuta e mengata ea lits'ebetso ho puisano ea optical, spectroscopy, sensing, bongaka le mafapha a mang. Setšoantšo sa 1 se bontša sebopeho sa motheo sa alaser e sebetsang, ho kenyelletsa le yuniti ea ho fumana leseli, sekoti sa FP se entsoeng ka liipone tse ka pele le tse ka morao, le unit optical mode select filter unit. Qetellong, ka ho lokisa bolelele ba sekoti se bonahatsang, filthara ea optical mode e ka fihlela tlhahiso ea khetho ea wavelength.

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Mokhoa oa ho lokisa le ho qaptjoa ha eona

Molao-motheo oa tokiso ea tunablelisebelisoa tsa laser tsa semiconductorhaholo-holo ho itšetlehile ka ho fetola likarolo tsa 'mele tsa laser resonator ho finyella liphetoho tse sa khaotseng kapa tse hlakileng ho phallo ea laser wavelength. Mekhahlelo ena e kenyelletsa, empa ha e felle feela, index ea refractive, bolelele ba cavity, le khetho ea mokhoa. Lintlha tse latelang ke mekhoa e mengata e tloaelehileng ea tokiso le melao-motheo ea tsona:

1. Tokiso ea ente ea motsamai

Tokiso ea ente ea mosireletsi ke ho fetola index ea refractive ea thepa ka ho fetola ente ea hajoale sebakeng se sebetsang sa laser semiconductor, e le ho fihlela tokiso ea wavelength. Ha hona joale ho ntse ho eketseha, mahloriso a mochine sebakeng se sebetsang a eketseha, e leng se etsang hore ho be le phetoho ea index ea refractive, e leng eona e amang laser wavelength.

2. Thermal Tuning Thermal Tokiso ke ho fetola index ea refractive le bolelele ba cavity ea thepa ka ho fetola mocheso oa ts'ebetso oa laser, e le ho fihlela tokiso ea wavelength. Liphetoho tsa mocheso li ama index ea refractive le boholo ba 'mele ba thepa.

3. Tokiso ea mochini Tokiso ea mochini ke ho fihlela tokiso ea wavelength ka ho fetola boemo kapa Angle ea likarolo tsa kantle tsa laser. Mekhoa e tloaelehileng ea ho lokisa mechine e kenyelletsa ho fetola Angle ea grating ea diffraction le ho tsamaisa boemo ba seipone.

4 Tokiso ea elektro-optical Tokiso ea motlakase e fumaneha ka ho sebelisa sebaka sa motlakase ho sesebelisoa sa semiconductor ho fetola index ea refractive ea thepa, ka ho etsa joalo e fihlelle tokiso ea wavelength. Mokhoa ona o sebelisoa hangata holi-modulators tsa electro-optical (EOM) le li-lasers tse hlophisitsoeng ka elektro-optically.

Ka kakaretso, molao-motheo oa tokiso ea laser ea semiconductor ea tunable haholo-holo o hlokomela tokiso ea maqhubu ka ho fetola likarolo tsa 'mele tsa resonator. Mekhahlelo ena e kenyelletsa index ea refractive, bolelele ba cavity, le khetho ea mokhoa. Mekhoa e ikhethileng ea tokiso e kenyelletsa tokiso ea ente ea mochini, tokiso ea mocheso, tokiso ea mochini le tokiso ea electro-optical. Mokhoa o mong le o mong o na le mokhoa oa oona o ikhethileng oa 'mele le ts'ebetso ea lipalo, 'me khetho ea mokhoa o nepahetseng oa tokiso e lokela ho nkoa ho latela litlhoko tse ikhethileng tsa ts'ebeliso, joalo ka mefuta ea tokiso, lebelo la tokiso, tharollo le botsitso.