Ua hoʻomohala kahi hui Kina i kahi laser fiber Raman hiki ke hoʻololi ʻia i ka mana kiʻekiʻe o ka band 1.2μm

Ua hoʻomohala kahi hui Kina i kahi Raman hiki ke hoʻololi ʻia me ka mana kiʻekiʻe o 1.2μm bandlaser fiber

Nā kumu lasere hana ana ma ka hui 1.2μm he mau noi kūikawā i ka photodynamic therapy, biomedical diagnostics, a me ka oxygen sensing. Eia kekahi, hiki ke hoʻohana ʻia lākou ma ke ʻano he kumu pamu no ka hanauna parametric o ke kukui mid-infrared a no ka hoʻoulu ʻana i ke kukui ʻike ʻia ma o ka pālua pinepine. Ua hoʻokō ʻia nā Lasers ma ka hui 1.2 μm me nā ʻano like ʻolenā lasers paʻa-kūlana, menā lasers semiconductor, nā lasers daimana Raman, a me nā lasers fiber. Ma waena o kēia mau lasers ʻekolu, loaʻa i ka laser fiber nā pono o ke ʻano maʻalahi, ka maikaʻi o ke kukuna a me ka hana maʻalahi, ʻo ia ka mea e koho maikaʻi loa ai e hana i ka laser band 1.2μm.
I kēia mau lā iho nei, ua hoihoi ka hui noiʻi i alakaʻi ʻia e Polofesa Pu Zhou ma Kina i nā lasers fiber mana kiʻekiʻe ma ka band 1.2μm. ʻO ka fiber mana kiʻekiʻe o kēia manawanā lasersʻo ia hoʻi nā lasers fiber i hoʻopili ʻia me ka ytterbium ma ka hui 1 μm, a ʻo ka mana hoʻopuka kiʻekiʻe loa ma ka hui 1.2 μm ua kaupalena ʻia i ka pae o 10 W. ʻO kā lākou hana, i kapa ʻia ʻo "High power tunable Raman fiber laser at 1.2μm waveband," ua paʻi ʻia ma Frontiers oʻOptoelectronics.

KII. 1: (a) Hoʻonohonoho hoʻokolohua o kahi mea hoʻonui fiber Raman hiki ke hoʻololi ʻia i ka mana kiʻekiʻe a me (b) laser hua fiber Raman maʻamau hiki ke hoʻololi ʻia ma ka hui 1.2 μm. PDF: fiber i hoʻohui ʻia me ka phosphorus; QBH: Quartz bulk; WDM: Multiplexer mahele nalu; SFS: kumu kukui fiber superfluorescent; P1: awa 1; P2: awa 2. P3: hōʻike i ka awa 3. Kumu: Zhang Yang et al., Laser fiber Raman hiki ke hoʻololi ʻia i ka mana kiʻekiʻe ma ka hui nalu 1.2μm, Frontiers of Optoelectronics (2024).
ʻO ke manaʻo, ʻo ia ka hoʻohana ʻana i ka hopena hoʻopuehu Raman i hoʻoulu ʻia i loko o kahi fiber passive e hana i kahi laser mana kiʻekiʻe ma ka hui 1.2μm. ʻO ka hoʻopuehu Raman i hoʻoulu ʻia kahi hopena nonlinear ʻekolu-kauoha e hoʻololi i nā photons i nā nalu lōʻihi.

Kiʻi 2: Nā spectra hoʻopuka RFL random hiki ke hoʻololi ʻia ma (a) 1065-1074 nm a me (b) 1077 nm nā nalu pamu (Δλ e pili ana i ka 3 dB linewidth). Puna: Zhang Yang et al., High power tunable Raman fiber laser ma 1.2μm waveband, Frontiers of Optoelectronics (2024).
Ua hoʻohana nā kānaka noiʻi i ka hopena hoʻopuehu Raman i hoʻoulu ʻia i loko o ke olonā i hoʻohui ʻia me ka phosphorus e hoʻololi i kahi olonā i hoʻohui ʻia me ka ytterbium mana kiʻekiʻe ma ka hui 1 μm i ka hui 1.2 μm. Ua loaʻa kahi hōʻailona Raman me ka mana a hiki i ka 735.8 W ma 1252.7 nm, ʻo ia ka mana hoʻopuka kiʻekiʻe loa o kahi laser olonā hui 1.2 μm i hōʻike ʻia a hiki i kēia lā.

Kiʻi 3: (a) Ka mana hoʻopuka kiʻekiʻe loa a me ka spectrum hoʻopuka maʻamau i nā nalu hōʻailona like ʻole. (b) Ka spectrum hoʻopuka piha i nā nalu hōʻailona like ʻole, ma dB (ʻo Δλ e pili ana i ka 3 dB linewidth). Puna: Zhang Yang et al., High power tunable Raman fiber laser ma 1.2μm waveband, Frontiers of Optoelectronics (2024).

Kiʻi :4: (a) Nā ʻano o ka ulu ʻana o ka mana o kahi mea hoʻonui fiber Raman hiki ke hoʻololi ʻia i ka mana kiʻekiʻe ma kahi nalu pumping o 1074 nm. Puna: Zhang Yang et al., Laser fiber Raman hiki ke hoʻololi ʻia i ka mana kiʻekiʻe ma ka nalu 1.2μm, Frontiers of Optoelectronics (2024)