Labarai - Me yasa muke amfani da Nd: YAG crystal azaman matsakaicin riba a cikin Laser DPSS?

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Menene Matsakaici Ribar Laser?

Matsakaicin ribar Laser abu ne da ke ƙara haske ta hanyar ƙara kuzari. Lokacin da matsakaitan kwayoyin halitta ko kwayoyin halitta suka yi farin ciki zuwa mafi girman matakan makamashi, za su iya fitar da photon na wani tsayin daka yayin da suke komawa zuwa mafi ƙarancin makamashi. Wannan tsari yana haɓaka hasken da ke wucewa ta matsakaici, wanda shine mahimmanci ga aikin laser.

[Blogi mai alaƙa:Mahimman abubuwan da ke cikin Laser]

Menene Matsakaicin Ribar Da Aka Saba?

Matsakaicin riba na iya bambanta, gami dagas, ruwa (dies), daskararru(crystals ko gilashin da aka yi tare da ƙarancin ƙasa ko ions ƙarfe na tsaka-tsaki), da semiconductor.Laser mai ƙarfi, alal misali, sau da yawa amfani da lu'ulu'u kamar Nd: YAG (Neodymium-doped Yttrium Aluminum Garnet) ko gilashin da aka yi da abubuwan da ba kasafai ba. Laser ɗin rini suna amfani da rini na halitta waɗanda aka narkar da su a cikin kaushi, kuma laser gas na amfani da gas ko gaurayawan gas.

Sandunan Laser (daga hagu zuwa dama): Ruby, Alexandrite, Er: YAG, Nd: YAG

Bambance-bambance tsakanin Nd (Neodymium), Er (Erbium), da Yb (Ytterbium) azaman matsakaici

da farko suna da alaƙa da tsayin raƙuman fitar da su, hanyoyin isar da makamashi, da aikace-aikace, musamman a cikin mahallin kayan laser doped.

Tsawon Wavewar Ruwa:

- Erbium yawanci yana fitarwa a 1.55 µm, wanda ke cikin yankin lafiyayyen ido kuma yana da matukar amfani ga aikace-aikacen sadarwa saboda ƙarancin asararsa a cikin filaye na gani (Gong et al., 2016).

- Yb: Ytterbium sau da yawa yana fitar da kusan 1.0 zuwa 1.1 µm, yana sa ya dace da aikace-aikacen da yawa, gami da manyan lasers da amplifiers. Ana amfani da Yb sau da yawa azaman faɗakarwa don Er don haɓaka haɓakar na'urorin Er-doped ta hanyar canja wurin makamashi daga Yb zuwa Er.

- Nd: Abubuwan Neodymium-doped yawanci suna fitarwa kusan 1.06 µm. Nd:YAG, alal misali, sananne ne don ingancinsa kuma ana amfani dashi da yawa a duka masana'antu da lasers na likitanci (Y. Chang et al., 2009).

Hanyoyin Canja wurin Makamashi:

- Er da Yb Co-doping: Haɗin gwiwar Er da Yb a cikin matsakaicin matsakaici yana da fa'ida don haɓaka fitar da iska a cikin kewayon 1.5-1.6 µm. Yb yana aiki azaman ingantacciyar faɗakarwa ga Er ta hanyar ɗaukar hasken famfo da canja wurin makamashi zuwa ions Er, wanda ke haifar da haɓakar hayaƙi a cikin rukunin sadarwa. Wannan canjin makamashi yana da mahimmanci ga aikin Er-doped fiber amplifiers (EDFA) (DK Vysokikh et al., 2023).

- Nd: Nd ba ya buƙatar mai sa ido kamar Yb a cikin tsarin Er-doped. Ingancin Nd ya samo asali ne daga shayar da hasken famfo kai tsaye da kuma fitar da shi daga baya, yana mai da shi matsakaicin ribar Laser madaidaiciya kuma mai inganci.

Aikace-aikace:

- Er:An yi amfani da shi da farko a cikin sadarwa saboda fitar da shi a 1.55 µm, wanda ya yi daidai da mafi ƙarancin asarar taga silica fibers. Matsakaicin riba na Er-doped yana da mahimmanci ga na'urori masu auna firikwensin gani da laser a cikin tsarin sadarwar fiber na gani mai nisa.

- Yb:Sau da yawa ana amfani da shi a aikace-aikace masu ƙarfi saboda ƙarancin tsarin lantarki mai sauƙi wanda ke ba da damar yin famfo diode mai inganci da babban fitarwar wuta. Hakanan ana amfani da kayan Yb-doped don haɓaka aikin tsarin Er-doped.

- Nd: Mafi dacewa don aikace-aikace masu yawa, daga yankan masana'antu da waldawa zuwa laser na likita. Nd: YAG Laser ana mutunta su musamman don dacewarsu, ƙarfi, da iyawarsu.

Me yasa muka zabi Nd: YAG a matsayin matsakaicin riba a cikin Laser DPSS

Laser DPSS wani nau'in Laser ne wanda ke amfani da matsakaicin riba mai ƙarfi (kamar Nd: YAG) wanda na'urar diode na'ura mai ɗaukar hoto ta zazzagewa. Wannan fasaha yana ba da damar ƙararraki, ingantattun lasers masu iya samar da katako masu inganci a cikin bakan da aka gani-zuwa-infrared. Don cikakken labarin, kuna iya yin la'akari da bincika ta hanyar ingantaccen bayanan kimiyya ko masu wallafa don cikakkun bita kan fasahar Laser DPSS.

[Samfur mai alaƙa:Diode-pumped m-jihar Laser]

Nd:YAG galibi ana amfani da shi azaman matsakaicin riba a cikin na'urorin Laser da aka bugu na semiconductor saboda dalilai da yawa, kamar yadda bincike daban-daban ya bayyana:

1.High Efficiency da Power Output: Zane da simulations na diode gefen-pumped Nd: YAG Laser module ya nuna gagarumin tasiri, tare da diode gefe-pumped Nd: YAG Laser samar da matsakaicin matsakaicin iko na 220 W yayin da rike da kullum makamashi da bugun jini a cikin m mitar kewayon. Wannan yana nuna babban inganci da yuwuwar samar da wutar lantarki mai girma na Nd: YAG lasers lokacin da diodes suka yi amfani da su (Lera et al., 2016).
2.Aikin Sassauci da Dogara: Nd: YAG yumbura an nuna yana aiki yadda ya kamata a tsawon magudanar ruwa daban-daban, gami da amintaccen raƙuman idanu, tare da ingantaccen ingantaccen gani-zuwa gani. Wannan yana nuna Nd: YAG's versatility da kuma dogara a matsayin riba matsakaici a daban-daban Laser aikace-aikace (Zhang et al., 2013).
3.Longevity da Beam Quality: Bincike a kan ingantaccen inganci, diode-pumped, Nd: YAG Laser ya jaddada tsawon rayuwarsa da kuma aiki mai dacewa, yana nuna Nd: YAG ta dace da aikace-aikacen da ke buƙatar maɓuɓɓugar laser mai dorewa da abin dogara. Binciken ya ba da rahoton tsawaita aiki tare da fiye da 4.8 x 10 ^ 9 harbi ba tare da lalacewar gani ba, yana riƙe kyakkyawan ingancin katako (Coyle et al., 2004).
4.Aikin ci gaba mai inganci mai inganci:Nazarin ya nuna aikin Nd: YAG Laser mai ingantacciyar ingantacciyar ci gaba mai ƙarfi (CW), yana nuna tasirin su azaman matsakaicin riba a cikin tsarin laser diode-pumped. Wannan ya haɗa da samun ingantacciyar jujjuyawar gani mai ƙarfi da ingantaccen gangara, ƙara tabbatar da dacewa da Nd: YAG don aikace-aikacen Laser mai inganci (Zhu et al., 2013).

Haɗuwa da haɓaka mai girma, fitarwar wutar lantarki, sassaucin aiki, aminci, tsawon rai, da ingancin katako mai kyau yana sa Nd: YAG ya zama matsakaicin riba mai mahimmanci a cikin na'urori masu amfani da laser na semiconductor don aikace-aikacen da yawa.

Magana

Chang, Y., Su, K., Chang, H., & Chen, Y. (2009). Ƙaƙwalwar ingantaccen Laser mai aminci na Q-switched a 1525 nm tare da yaduwa-ƙarshen-ƙarshen Nd:YVO4 crystal azaman matsakaicin kai-Raman. Optics Express, 17 (6), 4330-4335.

Gong, G., Chen, Y., Lin, Y., Huang, J., Gong, X., Luo, Z., & Huang, Y. (2016). Girma da kaddarorin hangen nesa na Er:Yb:KGd(PO3)_4 crystal a matsayin matsakaicin riba mai girman 155 µm Laser. Kayan gani na gani Express, 6, 3518-3526.

Vysokikh, DK, Bazakutsa, A., Dorofeenko, AV, & Butov, O. (2023). Samfurin tushen gwaji na Er/Yb yana samun matsakaici don masu haɓaka fiber da lasers. Jaridar Optical Society of America B.

Lera, R., Valle-Brozas, F., Torres-Peiró, S., Ruiz-de-la-Cruz, A., Galán, M., Bellido, P., Seimetz, M., Benlloch, J., & Roso, L. (2016). Kwaikwayo na bayanin martaba da aikin diode da aka buga QCW Nd:YAG Laser. Aikace-aikacen Optics, 55 (33), 9573-9576.

Zhang, H., Chen, X., Wang, Q., Zhang, X., Chang, J., Gao, L., Shen, H., Cong, Z., Liu, Z., Tao, X., & Li, P. (2013). Babban inganci ND: YAG yumbu mai lafiyan ido Laser yana aiki a 1442.8 nm. Haruffa na gani, 38 (16), 3075-3077.

Coyle, DB, Kay, R., Stysley, P., & Poulios, D. (2004). Inganci, abin dogaro, tsawon rayuwa, diode-pumped Nd:YAG Laser don tushen ciyayi na sararin samaniya. Aikace-aikacen Optics, 43 (27), 5236-5242.

Zhu, HY, Xu, CW, Zhang, J., Tang, D., Luo, D., & Duan, Y. (2013). Ingantacciyar ci gaba mai ƙarfi Nd: YAG yumbu lasers a 946 nm. Wasiƙar Laser Physics, 10.

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