Sibutsetelo amamojula amane ajwayelekile

Sibutsetelo amamojula amane ajwayelekile

Leli phepha lingenisa izindlela ezine zokushintshashintsha (ukuguqula i-laser amplitude ku-nanosecond noma i-subnanosecond time domain) ezivame ukusetshenziswa kakhulu ezinhlelweni ze-laser ze-fiber. Lokhu kufaka phakathi i-AOM (Ukuguqulwa kwe-Acousto-Optic), i-EOM (Ukuguqulwa kwe-Electro-Optic), Som /Inyoka(I-Semiconductor Light Amplification eyaziwa nangokuthi i-semiconductor modlal), futhiukuguquguquka okuqondile kwe-laser. Phakathi kwazo, AM,Xothi, I-Som ingeyokushintshana kwangaphandle, noma ukuguquguquka okungaqondile.

1. I-Acousto-Optic Modulator (AOM)

Ukuguqulwa kwe-Acousto-Optic kuyinqubo ebonakalayo esebenzisa umphumela we-acousto-optic umphumela wokulayisha imininingwane ethwala i-Optical Carrier. Lapho kuguqulwa, isibonakaliso sikagesi (ama-amplitude modal) kuqala ukusetshenziswa ku-electro-acoustic transducer, eguqula isiginali kagesi ibe yinkambu ye-ultrasonic. Lapho igagasi elikhanyayo lidlula nge-acousousto-optic medium, i-optical carrier ilungiswe futhi iba yi-wave yokuqina yokubumba ngenxa yesenzo se-acousto-optic

2. I-Electro-Optical Modulator(Eom)

I-electro-optical modulator isebenzisa imiphumela ye-electro-optical yamakristalu athile angu-electro-optical, njenge-lithium niobate crystals (LINB03), amakristali e-GAAS (Gaas) kanye nama-lithium tantalate crystals (i-laas) kanye ne-lithium tantalate crystals (i-laas3). Umphumela we-Electro-Optical ukuthi lapho i-voltage isetshenziswa kwi-Electro-Optical Crystal, inkomba eye-optical ye-Electro-Optical izoshintsha, okuholele ekushintsheni kwezimpawu zekristalu, kanye nokuguqulwa kwesigameko se-optical sekwafezeka.

Umdwebo: Ukucushwa okujwayelekile komjikelezo womshayeli we-EOM

3. I-semiconductor stical modulator / semiconductor appifier (SOM / SOA)

I-Semicondector Optical Amplifier (SOA) ivame ukusetshenziselwa ukukhuliswa kwesiginali ye-Optical, okunezinzuzo ze-chip, ukusetshenziswa kwamandla okuphansi, ukusekelwa kwawo wonke ama-band, njll.I-erbium-doped fiber amplifier). I-semiconductor stical modulator (SOM) iyithuluzi elifanayo njenge-semiconductor amplifier, kepha indlela esetshenziswa ngayo ihluke kancane kusuka ngendlela esetshenziswa ngayo nge-amplifier yendabuko yendabuko, futhi izinkomba zigxile lapho zisetshenziswa kancane kulawo asetshenziswa yi-amplifier kancane. Lapho isetshenziselwa ukukhuliswa kwesiginali ye-Optical Signal, ukushayela okuzinzile okuvame ukuhlinzekwa i-SOA ukuqinisekisa ukuthi i-SOA isebenza esifundeni selayini; Lapho isetshenziselwa ukuguqula ama-pulses ama-optical, ifaka amasiginali we-optical aqhubekayo ku-soa, isebenzisa ama-pulses kagesi ukulawula i-soa drive yamanje, bese ulawula isimo sokuphuma se-soa njenge-amplification / attenciation. Kusetshenziswa i-SO Amplification kanye nezimpawu zokufakelwa, le ndlela yokushintshanisa kancane kancane yasebenza kwezinye izinhlelo zokusebenza ezintsha, njengokuzwa kwe-fiber optical, iLidar, Oct Imicabango kanye nezinye izinkambu. Ikakhulu ukuthola ezinye zezimo ezidinga ivolumu ephezulu kakhulu, ukusetshenziswa kwamandla nokuqothulwa isilinganiso.

I-4. Ukushintshwa kweLaser Direct kungashintsha futhi isiginali ye-Optical ngokulawula ngqo i-Laser Bias yamanje, njengoba kukhonjisiwe kwisibalo esingezansi, kutholakala i-3 Nanosecond Pulse Worth ngokushintshana ngokuqondile. Kuyabonakala ukuthi kukhona i-spike ekuqaleni kokushayela, okulethwa ukuphumula kwesithwali se-laser. Uma ufuna ukuthola ukushaya kwama-picosecond acishe abe yi-100, ungasebenzisa lesi spike. Kepha imvamisa asifuni ukuba nalesi spike.

Fingqa

I-AOM ilungele umphumela wamandla we-Optical Power ema-Watts ambalwa futhi inomsebenzi wokushintsha okuvamile. I-Eom iyashesha, kepha ubunzima bokushayela buphezulu futhi isilinganiso sokuqothulwa siphansi. ISom (SOA) yisisombululo esifanele sejubane le-GHZ kanye nesilinganiso esiphakeme sokuqothulwa, ngokusetshenziswa kwamandla okuphansi, okuncane nezinye izici. I-Direct Laser Diades iyikhambi elishibhile, kepha qaphela ushintsho ezicini ezinhle kakhulu. Isikimu sokushintshashintsha ngasinye sinezinzuzo zako kanye nobunzima, futhi kubalulekile ukuqonda kahle izidingo zohlelo lokusebenza lapho ukhetha uhlelo, futhi ujwayelene nezinzuzo zohlelo ngalunye, bese ukhetha uhlelo olufanele kakhulu. Isibonelo, ekusakazeni izinzwa ze-fiber, i-AOM yendabuko iyinhloko, kepha kwakhiwa eminye imiklamo yohlelo olusha, ukusetshenziswa kwezikimu zendabuko zomoya kukhula ngokushesha, ukunciphisa usayizi, futhi kuthuthukiswe isilinganiso sokuqothulwa, kwamukelwe uhlelo lokuqothulwa. Ohlelweni lokuxhumana, uhlelo lwejubane eliphansi luvame ukwamukela uhlelo lokushintshanisa okuqondile, kanye nohlelo lwejubane eliphezulu luvame ukusebenzisa uhlelo lokushintsha lokuguqulwa kwe-electro-optic.