Otu ndị otu China emepụtala laser eriri Raman nke nwere ike ịgbanwe agbanwe nke nwere eriri band 1.2μm, nke nwere ike ịgbanwe agbanwe.

Otu ndị otu China emepụtala otu egwu Raman nke nwere ike ịgbanwe agbanwe nke nwere ike dị elu nke 1.2μm.eriri laser

Isi mmalite laserNdị na-arụ ọrụ na eriri 1.2μm nwere ụfọdụ ngwa pụrụ iche na ọgwụgwọ photodynamic, nchọpụta biomedical, na mmetụta oxygen. Na mgbakwunye, enwere ike iji ha dị ka isi mmalite mgbapụta maka imepụta parametric nke ìhè etiti infrared na maka imepụta ìhè a na-ahụ anya site na okpukpu abụọ ugboro ugboro. Emere lasers dị na eriri 1.2 μm site na iji ụzọ dị iche iche arụ ọrụ.lasers siri ike, gụnyerelaser semiconductor, laser Raman diamond, na laser eriri. N'ime laser atọ ndị a, laser eriri nwere uru dị na nhazi dị mfe, ịdị mma nke ìhè na ọrụ na-agbanwe agbanwe, nke na-eme ka ọ bụrụ nhọrọ kacha mma ịmepụta laser band 1.2μm.
N'oge na-adịbeghị anya, ndị otu nyocha nke Prọfesọ Pu Zhou na-edu na Chaịna nwere mmasị na laser eriri ike dị elu na band 1.2μm.lasersbụkarịsịa laser eriri e ji ytterbium mee n'ime eriri 1 μm, ike mmepụta kachasị na eriri 1.2 μm bụ naanị ọkwa 10 W. Ọrụ ha, nke akpọrọ "Raman fiber laser nwere ike ịgbanwe na 1.2μm waveband," ka ebipụtara na Frontiers ofOptoelectronics.

FIG. 1: (a) Nhazi nnwale nke amplifier eriri Raman nke nwere ike ịgbanwe agbanwe na (b) laser mkpụrụ Raman nke nwere ike ịgbanwe agbanwe na band 1.2 μm. PDF: eriri phosphorus-doped; QBH: Quartz bulk; WDM: Multiplexer nkewa Wavelength; SFS: isi iyi ọkụ eriri superfluorescent; P1: ọdụ ụgbọ mmiri 1; P2: ọdụ ụgbọ mmiri 2. P3: na-egosi ọdụ ụgbọ mmiri 3. Isi mmalite: Zhang Yang et al., Laser eriri Raman nke nwere ike ịgbanwe agbanwe na 1.2 μm waveband, Frontiers of Optoelectronics (2024).
Echiche bụ iji mmetụta mgbasa Raman nke a kpaliri n'ime eriri na-anaghị arụ ọrụ iji mepụta laser dị ike nke ukwuu na band 1.2μm. Mgbasa Raman nke a kpaliri bụ mmetụta nke atọ na-abụghị nke ahịrị nke na-agbanwe foton ka ọ bụrụ ogologo ogologo.

Foto nke 2: Spektra mmepụta RFL random nke a na-agbanwe agbanwe na (a) 1065-1074 nm na (b) 1077 nm wavelength pump (Δλ na-ezo aka na 3 dB linewidth). Isi mmalite: Zhang Yang et al., Laser eriri Raman nke nwere ike ịgbanwe agbanwe na 1.2μm waveband, Frontiers of Optoelectronics (2024).
Ndị nchọpụta ahụ jiri mmetụta Raman nke a kpaliri n'ime eriri phosphorus iji gbanwee eriri ytterbium dị ike nke nwere ike dị elu na eriri 1 μm ka ọ bụrụ eriri 1.2 μm. Enwetara akara Raman nwere ike ruru 735.8 W na 1252.7 nm, nke bụ ike mmepụta kachasị elu nke laser eriri band 1.2 μm akọọrọ ruo taa.

Foto nke 3: (a) Ike mmepụta kachasị elu na ụdị mmepụta a haziri ahazi na ụdị ogologo mgbaama dị iche iche. (b) Ụdị mmepụta zuru oke na ụdị ogologo mgbaama dị iche iche, na dB (Δλ na-ezo aka na obosara ahịrị 3 dB). Isi mmalite: Zhang Yang et al., Laser eriri Raman nke nwere ike ịgbanwe agbanwe na eriri waveband 1.2μm, Frontiers of Optoelectronics (2024).

Foto:4: (a) Spektrum na (b) njirimara evolushọn ike nke amplifier eriri Raman dị elu nke nwere ike ịgbanwe agbanwe na ogologo mmiri nke 1074 nm. Isi mmalite: Zhang Yang et al., Laser eriri Raman dị ike nke nwere ike ịgbanwe agbanwe na 1.2μm waveband, Frontiers of Optoelectronics (2024)