Otu ndị China ewepụtala eriri 1.2μm nwere ikike dị elu nke nwere ike ịgbatị Raman fiber laser

Otu ndị China ewepụtala band 1.2μm nwere ikike dị elu nke nwere ike imegharị Ramaneriri laser

Isi mmalite laserNa-arụ ọrụ na 1.2μm band nwere ụfọdụ ngwa pụrụ iche na photodynamic therapy, biomedical diagnostics, na oxygen sensing. Na mgbakwunye, enwere ike iji ha dị ka isi mmalite mgbapụta maka ọgbọ parametric nke ìhè etiti infrared na maka ịmepụta ìhè a na-ahụ anya site na ugboro abụọ ugboro abụọ. A na-enweta lasers na band 1.2 μm dị iche ichelaser steeti siri ike, gụnyeresemiconductor lasers, diamond Raman lasers, na fiber lasers. N'ime lasers atọ a, eriri laser nwere uru nke usoro dị mfe, ịdị mma beam na arụ ọrụ na-agbanwe agbanwe, nke na-eme ka ọ bụrụ nhọrọ kachasị mma iji mepụta laser band 1.2μm.
N'oge na-adịbeghị anya, ndị otu nyocha nke Prọfesọ Pu Zhou na-eduzi na China nwere mmasị na lasers fiber dị elu na band 1.2μm. The ugbu a elu ike eririlasersbụ tumadi ytterbium-doped fiber lasers na 1 μm band, na kacha mmepụta ike na 1.2 μm band bụ nanị na larịị nke 10 W. Ọrụ ha, nke isiokwu ya bụ "Elu ike tunable Raman fiber laser na 1.2μm waveband," bụ. bipụtara na Frontiers ofOptoelectronics.

FIG. 1: (a) Nhazi nnwale nke ike dị elu nke nwere ike ịgbatị Raman fiber amplifier na (b) mkpụrụ osisi mkpụrụ osisi Raman na-enweghị ike ịgbagha na band 1.2 μm. PDF: eriri phosphorus-doped; QBH: nnukwu quartz; WDM: Multixer nkewa ogologo ogologo; SFS: isi iyi ọkụ nke superfluorescent; P1: ọdụ ụgbọ mmiri 1; P2: ọdụ ụgbọ mmiri 2. P3: na-egosi ọdụ ụgbọ mmiri 3. Isi mmalite: Zhang Yang et al., Ike dị elu tunable Raman fiber laser na 1.2μm waveband, Frontiers of Optoelectronics (2024).
Echiche a bụ iji mmetụta mgbasa ozi Raman na-akpali akpali na eriri na-agafe agafe iji mepụta laser ike dị elu na band 1.2μm. Mgbasasa Raman na-akpali akpali bụ mmetụta nke atọ na-abụghị nke na-agbanwe foton ka ọ bụrụ ogologo ogologo ogologo.

Ọnụọgụ 2: Ntugharị mmepụta RFL random na (a) 1065-1074 nm na (b) 1077 nm mgbapụta ogologo ogologo (Δλ na-ezo aka na 3 dB linewidth). Isi mmalite: Zhang Yang et al., Ike dị elu na-emegharị Raman fiber laser na 1.2μm waveband, Frontiers of Optoelectronics (2024).
Ndị nchọpụta ahụ jiri mmetụta mgbasa ozi Raman na-akpali akpali na fiber-doped fiber iji gbanwee eriri ytterbium-doped dị elu na 1 μm band na 1.2 μm band. Enwetara akara ngosi Raman nwere ike ruru 735.8 W na 1252.7 nm, nke bụ ike mmepụta kacha elu nke eriri eriri eriri 1.2 μm a kọrọ ruo taa.

Ọnụọgụ 3: (a) Ike mmepụta kachasị na ụdị mmepụta ihe dị iche iche na mgbama dị iche iche. (b) Ụdị mmepụta zuru oke n'ogologo mgbama dị iche iche, na dB (Δλ na-ezo aka na 3 dB linewidth). Isi mmalite: Zhang Yang et al., Ike dị elu na-emegharị Raman fiber laser na 1.2μm waveband, Frontiers of Optoelectronics (2024).

Ọgụgụ : 4: (a) Spectrum na (b) njirimara evolushọn ike nke ihe na-eme ka ike dị elu Raman fiber amplifier na-agbapụta n'ogologo nke 1074 nm. Isi mmalite: Zhang Yang et al., Ike dị elu na-emegharị Raman fiber laser na 1.2μm waveband, Frontiers of Optoelectronics (2024)