Mayelana ne-MOPA

I-MOPA (I-Master Oscillator Power Amplifier) ​​iyisakhiwo se-laser esithuthukisa ukusebenza kokuphumayo ngokuhlukanisa umthombo wembewu (i-oscillator eyinhloko) kusukela esigabeni sokukhulisa amandla. Umqondo oyinhloko uhilela ukukhiqiza isignali yekhwalithi ephezulu yembewu nge-master oscillator (MO), ebese ikhuliswa amandla yi-power amplifier (PA), ekugcineni ilethe amandla aphezulu, ikhwalithi ephezulu, kanye nama-laser pulses alawulekayo. Lesi sakhiwo sisetshenziswa kakhulu ekucubunguleni izimboni, ucwaningo lwesayensi, kanye nezicelo zezokwelapha.

1.Izinzuzo Eziyinhloko Zokukhulisa I-MOPA

①Amapharamitha aguqukayo futhi alawulekayo:

- Ububanzi be-Pulse Obushintsheka Ngokuzimele:

Ububanzi be-pulse ye-pulse yembewu bungalungiswa ngokuzimela kwesiteji se-amplifier, ngokuvamile kusukela ku-1 ns kuya ku-200 ns.

- Izinga Lokuphindaphinda Elilungisekayo:

Isekela izilinganiso eziningi zokuphindaphinda ukushaya kwenhliziyo, kusukela ekudutshulweni okukodwa kuye kwezinga eliphezulu le-MHz, ukuze kuhlangatshezwane nezidingo zokucubungula ezihlukahlukene (isb, ukumaka kwesivinini esikhulu kanye nokuqoshwa okujulile).

②Ikhwalithi ephezulu ye-Beam:
Izici zomsindo ophansi zomthombo wembewu ziyagcinwa ngemva kokukhulisa, ziletha ikhwalithi yebhilomu ecishe ihlukanise ukuhlukaniswa (M² <1.3), ifanele ukwenziwa kwemishini enembile.

③Amandla Okushaya Okuphezulu Nokuzinza:
Ngokukhulisa izigaba eziningi, amandla e-pulse eyodwa angafinyelela izinga le-millijoule ngokuguquguquka okuncane kwamandla (<1%), alungele izinhlelo zokusebenza zezimboni ezinembayo.

④Amandla Okucubungula Okubandayo:
Ngobubanzi obufushane be-pulse (isb, ebangeni le-nanosecond), imiphumela yokushisa ezintweni ezibonakalayo ingancishiswa, ivumele ukucutshungulwa okuhle kwezinto eziphukayo njengengilazi nezitsha zobumba.

2. I-Master Oscillator (MO):

I-MO ikhiqiza amandla aphansi kodwa ama-pulses embewu alawulwa ngokunembile. Umthombo wembewu ngokuvamile i-semiconductor laser (LD) noma i-fiber laser, ekhiqiza ama-pulses ngokushintshashintsha okuqondile noma kwangaphandle.

3.Isihlelamandla (PA):

I-PA isebenzisa ama-fiber amplifiers (afana ne-ytterbium-doped fiber, YDF) ukuze ikhulise ama-pulses embewu ngezigaba eziningi, ikhulise kakhulu amandla okushaya kwenhliziyo namandla amaphakathi. Idizayini yesikhulisi kufanele igweme imiphumela engaqondile efana ne-Brillouin scattering (SBS) evuselelwe i-Raman scattering (SRS), kuyilapho igcina ikhwalithi ephezulu ye-beam.

I-MOPA iqhudelana namaLaza E-Fibre Endabuko E-Q