Laser mai ƙarfin lantarki mai ƙarfin mita ɗaya mai ƙarfin 457nm shuɗi

Mita ɗaya mai ƙarfi mai ƙarfi 457nmLaser mai shuɗi
Tsarin hanyar gani na laser mai ƙarfin 457nm mai ƙarfin shuɗi mai mita ɗaya tare da mita ɗaya
Tushen famfon da aka yi amfani da shi shine jerin diode na laser mai haɗin fiber-coupled 30 W. Na biyu, an zaɓi resonator na zobe don zaɓin yanayi. An ɗora fuskar ƙarshen da lu'ulu'u mai tsawon mm Nd3+-doped yttrium vanadate (Nd:YVO4) tare da yawan 0.1%. Sannan, ta cikin ramin lu'ulu'u na lithium triborate (LBO) na I-type, ana samar da harmonic na biyu don cimma mita ɗaya mai ƙarfi 457nm.laserfitarwa. Idan ƙarfin famfo ya kai W 30, ƙarfin fitarwa na laser mai mita ɗaya na 457nm shine W 5.43, tsayin tsakiya shine 457.06 nm, ingancin juyawa zuwa haske shine 18.1%, kuma daidaiton wutar lantarki cikin awa 1 shine 0.464%. Laser ɗin 457nm yana aiki a cikin yanayin asali a cikin resonator. Abubuwan da ke haifar da ingancin hasken haske a kan alkiblar x da y sune 1.04 da 1.07 bi da bi, kuma ellipticity na wurin haske shine 97%.

Bayanin hanyar gani ta hasken shuɗi mai ƙarfilaser mai mita ɗaya
Tushen famfon yana amfani da fiber optic coupledDiode na Laser semiconductorjeri mai tsawon tsakiya na 808 nm, ƙarfin fitarwa mai ci gaba na 30 W, da diamita na tsakiya na zare na 400 μm, tare da buɗewar lambobi na 0.22.
Fitilar famfon tana haɗuwa kuma tana mai da hankali ta hanyar ruwan tabarau guda biyu masu siffar plano-convex waɗanda tsawonsu ya kai mm 20 sannan ta faru a kan famfon.Gilashin laser. Gilashin laser ɗin lu'ulu'u ne mai girman 3 mm × 3 mm × 5 mm Nd:YVO4 tare da yawan doping na 0.1%, tare da fina-finan hana haske na 808 nm da 914 nm da aka ajiye a ƙarshen biyu, kuma an naɗe gilashin da foil ɗin indium sannan a sanya shi a cikin abin da ke ɗaure jan ƙarfe. Ana sarrafa abin da ke ɗaure jan ƙarfe ta hanyar sanyaya semiconductor kuma an saita shi a zafin jiki na 15℃.
Mai sake kunnawa rami ne mai madubi huɗu wanda ya ƙunshi M1, M2, M3, da M4.
M1 madubi ne na jirgin sama mai girman 808 nm, 1064 nm, da 1342 nm na hana tunani (R<0.05%), da kuma fim ɗin nunin faifai na 914 nm (R>99.8%); M4 madubi ne na fitarwa na jirgin sama mai girman 914 nm (R>99.8%), 457 nm da 1064 nm, 1342 nm na hana tunani (R<0.02%); M2 da M3 madubi ne na plano-concave tare da radius mai lanƙwasa na r = 100 mm, tare da fina-finan kariya na 1064 nm da 1342 nm (R<0.05%) a kan jirgin sama da fina-finan kariya na 914 nm da 457 nm (R>99.8%) a kan saman concave.
Farantin rabin-wave da kuma lu'ulu'u na TGG da aka sanya a cikin filin maganadisu duka suna da fina-finan hana haske na nm 914 (R<0.02%). Ta hanyar gabatar da na'urar hangen nesa mai kusurwa ɗaya wadda ta ƙunshi TGG da farantin rabin-wave, ana tilasta wa laser ɗin ya yi aiki a hankali a cikin resonator na zobe, don haka yana tabbatar da cewa laser ɗin yana aiki daidai a cikin yanayin mita ɗaya. FP wani yanki ne na yau da kullun mai kauri na 2 mm, tare da hasken da aka rufe da gefe biyu na 50%, kuma yana yin raguwa ta biyu na aikin mita ɗaya na laser a cikin ramin. An zaɓi lu'ulu'u na LBO azaman lu'ulu'u mai ninka mita, tare da girman 3 mm × 3 mm × 15 mm, kuma an shafa shi da fina-finan hana haske na 914 nm da 457 nm (R<0.02%), tare da daidaitawar lokaci na I-type, kusurwar yankewa θ = 90°, φ = 21.9°.