Ihe itunanya! Ike kachasị elu nke ụwa 3 μm n'etiti infrarecond featzer

Ihe itunanya! Ike kachasị elu nke ụwa 3 μm n'etiti infraredFedtosecond fiber

Fiber laserIji nweta mmepụta laser laser, nzọụkwụ mbụ bụ ịhọrọ nke Matrix kwesịrị ekwesị. Na infrared fiber lasers, matrix iko nke Quartz bụ ihe eji eme ihe eji arụ ọrụ na-enweghị ike, ike nke ntụkwasị obi na nkwụsi ike na ike dị mma. Agbanyeghị, n'ihi nnukwu ike Phonon (1150 cm-1), enweghị ike iji bọọdụ Quartz maka nnyefe Laser infrareed. Iji nweta ngbanwe dị ala etiti laser laser, anyị kwesịrị ịmalitegharị ihe eji eme eriri fiber ndị ọzọ nwere ike iko ma ọ bụ matrik iko sọlfọ. Fiber nwere ike phon kachasi ike (ihe dị 350 cm-1), mana ọ bụ na ọ dịghị mma maka iji eriri emegharị emegharị. Ọ bụ ezie na mkpụrụ osisi fluoride nwere obere ọkụ dị elu (550 cm-1) karịa mkpụrụ osisi sọlfọ na-erughị lasers na-erughị 4 μm. Nke kachasị mkpa, iko mkpụrụ osisi fluerite nwere ike ibute oke ikuku nke ọgbọ, dịka ọmụmaatụ, ọ ga - enwe ike ịmịchasị ihe ruru 10 mol. Ya mere, matrik iko flux bụ ihe kachasị mma dabara na ihe eji eme ihe maka etiti fibers fiber.

N'oge na-adịbeghị anya, otu prọfesọ ruan Shuangchen na prọfesọ guo chunyu na Shenzhen Mahadum mepụtara Femosecond Femogond dị eluPoul Fiber LaserE dere nke 2.8μM ọnọdụ mkpọchi: otu-ọnọdụ escillator, otu-mode er: gbị fiber preamprifier na nnukwu ọnọdụ er: zban fiber isi amplififier.
Dabere na mkpakọ onwe onye na usoro ọmụmụ A na-ejikarị ọgwụ ike nke polarization State na usoro nchịkwa nke ọnụọgụ abụọ, sistemụ na-eme ka ọ na-emepụta ihe na-enweghị isi, usoro na-akwụghị ụgwọ nke 8.122W na ogwe osisi nke 148 FS. Ndị otu na-ahụ maka ọrụ mba niile na-enweta ike nke ike nyocha a.

Ọgụgụ 1 Ihe Ose Ejiri ER: Zblan Fit Laser Dabere na MOPA
Ọdịdị nkeFedtosecond laserA na-eji usoro a na-egosi na ọnụ ọgụgụ 1. A na-eji otu ụzọ abụọ-clad nke 3.1 m dị ogologo nke eriri nke 7 mol.% na eriri dị na ya Na isi amplifier, clad clad udbara ud or er er: zban eriri ya na ogologo 4 m na-ejikwa 1 mol.% Na (na = 0.12). Nnukwu dayameta na-eme ka eriri eriri nwere ala dị ala ma nwee ike iguzo ike elu na mmepụta oke nke ike iku ume. A na-akwụsị nsọtụ inweta uru eriri ahụ na-eme ka okpu ALF3.