Nhau -Nei isu tiri kushandisa Nd: YAG kristaro senzira yekuwana muDPSS laser?

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Chii chinonzi Laser Gain Medium?

Laser kuwana svikiro chinhu chinokudza mwenje nekusimudzirwa kuburitsa. Kana maatomu epakati kana mamorekuru anakidzwa kusvika pamazinga esimba akakwira, anogona kuburitsa mafotoni eimwe wavelength kana achidzokera kune yakaderera simba simba. Iyi nzira inokudza mwenje unopfuura nepakati, iyo yakakosha kune laser operation.

[BlogZvikamu zvakakosha zve laser]

Chii chinonzi Usual Gain Medium?

Iyo yepakati yekuwana inogona kuve yakasiyana, kusanganisiramagasi, zvinwiwa (dhayi), solids(makristasi kana magirazi akaputirwa neasingawanzo-pasi kana shanduko yesimbi ions), uye semiconductors.Solid-state lasers, semuenzaniso, kazhinji shandisa makristasi akaita seNd: YAG (Neodymium-doped Yttrium Aluminium Garnet) kana magirazi akaiswa nezvinhu zvisingawanzo pasi. Dhayi lasers dzinoshandisa organic dhayi yakanyungudika muzvinonyungudutsa, uye magasi lasers anoshandisa magasi kana gasi musanganiswa.

Laser tsvimbo (kubva kuruboshwe kuenda kurudyi): Ruby, Alexandrite, Er:YAG, Nd:YAG

Misiyano pakati peNd (Neodymium), Er (Erbium), uye Yb (Ytterbium) sekuwana masvikiro.

zvinonyanya zvine chekuita neavo emission wavelengths, nzira dzekufambisa simba, uye mashandisirwo, kunyanya mumamiriro ezvinhu edoped laser zvinhu.

Emission Wavelengths:

- Er: Erbium inowanzobudisa pa 1.55 µm, iri munharaunda yakachengeteka yeziso uye inobatsira zvikuru kune zvikumbiro zvekufonera nekuda kwekurasikirwa kwayo kwakaderera mumafiber optical (Gong et al., 2016).

- Yb: Ytterbium inowanzo buritsa yakatenderedza 1.0 kusvika 1.1 µm, ichiita kuti ive yakakodzera kune dzakasiyana siyana dzekushandisa, kusanganisira yakakwirira-simba lasers uye amplifiers. Yb inowanzo shandiswa sesensitizer yeEr kusimudzira kugona kweEr-doped zvishandiso nekufambisa simba kubva kuYb kuenda kuEr.

- Nd: Neodymium-doped zvinhu zvinowanzobuda zvakatenderedza 1.06 µm. Nd:YAG, semuenzaniso, inozivikanwa nekushanda kwayo uye inoshandiswa zvakanyanya mune ese maindasitiri uye ekurapa lasers (Y. Chang et al., 2009).

Mafambisirwo Emagetsi:

- Er uye Yb Co-doping: Iko-doping yeEr neYb mune imwe svikiro yevaenzi inobatsira pakuwedzera kubuda muchikamu che1.5-1.6 µm. Yb inoshanda sesensitizer inoshanda yeEr nekutora mwenje wepombi uye kuendesa simba kuEr ions, zvichitungamira mukuwedzerwa kubuda mubhendi renhare. Uku kutamiswa kwesimba kwakakosha pakushanda kweEr-doped fiber amplifiers (EDFA) (DK Vysokikh et al., 2023).

- Nd: Nd haiwanzo kuda sensitizer seYb mune Er-doped masisitimu. Kunyatsoita kweNd kunobva mukutorwa kwayo kwakananga kwepombi mwenje uye kunotevera kubuda, zvichiita kuti ive yakatwasuka uye inoshanda laser kuwana yepakati.

Applications:

- Er:Inonyanya kushandiswa mukufambiswa kwenhare nekuda kwekubuda kwayo pa1.55 µm, iyo inopindirana nehushoma kurasikirwa hwindo re silica optical fibers. Er-doped kuwana masvikiro akakosha kune optical amplifiers uye lasers mune refu-kure fiber optic kutaurirana masisitimu.

Yb:Inowanzo shandiswa mumashandisirwo emagetsi epamusoro-soro nekuda kwechimiro chayo chemagetsi chakareruka chinobvumira kupomba kwema diode uye kubuda kwemagetsi. Yb-doped zvinhu zvinoshandiswawo kuwedzera mashandiro eEr-doped masisitimu.

- Nd: Yakanyatsokodzera kune zvakasiyana-siyana zvekushandisa, kubva kumaindasitiri ekucheka uye welding kusvika kukurapa lasers. Nd: YAG lasers inonyanya kukosheswa nekushanda kwavo, simba, uye kuita zvakasiyana.

Nei takasarudza Nd: YAG senzira yekuwana muDPSS laser

A DPSS laser imhando yelaser inoshandisa yakasimba-nyika kuwana yepakati (seNd: YAG) inopombwa ne semiconductor laser diode. Iyi tekinoroji inobvumira compact, inoshanda lasers inokwanisa kuburitsa emhando yepamusoro matanda mune inooneka-kune-infrared spectrum. Kuti uwane chinyorwa chakadzama, unogona kufunga kutsvaga kuburikidza neane mukurumbira sainzi dhatabhesi kana vatsikisi kuti uwane yakazara wongororo paDPSS laser tekinoroji.

[Chigadzirwa chakabatana :Diode-pumped solid-state laser]

Nd:YAG inowanzoshandiswa senge yekuwana svikiro mune semiconductor-pumped laser modules nekuda kwezvikonzero zvakati wandei, sekusimbiswa nezvidzidzo zvakasiyana:

1.Kushanda Kwepamusoro uye Kubuda Kwesimba: Dhizaini uye kuenzanisa kwe diode side-pumped Nd: YAG laser module yakaratidza kushanda kwakakosha, ine diode side-pumped Nd: YAG laser inopa huwandu hwepakati hwepakati simba re220 W uku ichichengetedza simba risingaperi parimwe pulse mune yakakura frequency renji. Izvi zvinoratidza kushanda kwepamusoro uye kugona kwesimba repamusoro rekubuda kweNd: YAG lasers kana yapombwa nema diode (Lera et al., 2016).
2.Operational Flexibility uye Kuvimbika: Nd: YAG Ceramics yakaratidzwa kushanda zvakanaka pamafungu akasiyana-siyana, kusanganisira maziso-akachengeteka wavelengths, ane high optical-to-optical performance. Izvi zvinoratidza Nd: YAG's versatility uye kuvimbika senzira yekuwana mune akasiyana laser application (Zhang et al., 2013).
3.Kurarama kwenguva refu uye Beam Quality: Tsvagiridzo pane inoshanda zvakanyanya, diode-pumped, Nd:YAG laser yakasimbisa hupenyu hwayo hurefu uye kuenderana kuita, ichiratidza Nd: YAG's kukodzera kwezvishandiso zvinoda anogara uye akavimbika laser masosi. Chidzidzo ichi chakashuma kushanda kwakawedzerwa neinopfuura 4.8 x 10 ^ 9 kupfura pasina kukuvara kwemaziso, kuchengetedza yakanakisa danda kunaka (Coyle et al., 2004).
4.Yakanyanya Kushanda Inoenderera-Wave Kushanda:Zvidzidzo zvakaratidza kushanda kwakanyanya kuenderera mberi-wave (CW) kweNd: YAG lasers, zvichiratidza kushanda kwavo senzira yekuwana mu diode-pumped laser systems. Izvi zvinosanganisira kuwana yakakwira optical kutendeuka efficiencies uye materu kushanda zvakanaka, zvichienderera mberi kupupurira kukodzera kweNd: YAG kune yakakwira-inoshanda laser application (Zhu et al., 2013).

Iko kusanganiswa kwepamusoro-soro, kubuda kwesimba, kushanduka kwekushanda, kuvimbika, hupenyu hurefu, uye yakanakisa danda remhando inoita kuti Nd: YAG ive yakasarudzika kuwana yepakati mu semiconductor-pumped laser modules kune dzakasiyana siyana dzekushandisa.

Reference

Chang, Y., Su, K., Chang, H., & Chen, Y. (2009). Compact inoshanda Q-switched eye-yakachengeteka laser pa 1525 nm ine kaviri-kuguma diffusion-bonded Nd:YVO4 crystal seye self-Raman medium. Optics Express, 17(6), 4330-4335.

Gong, G., Chen, Y., Lin, Y., Huang, J., Gong, X., Luo, Z., & Huang, Y. (2016). Kukura uye spectroscopic zvimiro zveEr:Yb:KGd(PO3)_4 kristaro seanovimbisa 155 µm laser kuwana pakati. Optical Materials Express, 6, 3518-3526.

Vysokikh, DK, Bazakutsa, A., Dorofeenko, AV, & Butov, O. (2023). Kuedza-kwakavakirwa modhi yeEr/Yb kuwana yepakati kune fiber amplifiers uye lasers. Chinyorwa cheOptical 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). Simulations yekuwana mbiri uye kuita kwe diode padivi-yakapombwa QCW Nd: YAG laser. Applied 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). Kunyanya kushanda zvakanaka Nd: YAG ceramic ziso-yakachengeteka laser inoshanda pa1442.8 nm. Optics Tsamba, 38(16), 3075-3077.

Coyle, DB, Kay, R., Stysley, P., & Poulios, D. (2004). Inoshanda, yakavimbika, yenguva refu, diode-yakapombwa Nd: YAG laser yenzvimbo-yakavakirwa zvinomera topographical altimetry. Applied Optics, 43(27), 5236-5242.

Zhu, HY, Xu, CW, Zhang, J., Tang, D., Luo, D., & Duan, Y. (2013). Yakanyanya kushanda inoenderera-wave Nd: YAG ceramic lasers pa946 nm. Laser Fizikisi Tsamba, 10.

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