GWIRANI MALO
Pulogalamu yamafunde, yomwe imatchedwanso kuti phase retarder, ndi chida chamaso chomwe chimasintha kuwala kwa polarization popanga mawonekedwe osiyana siyana (kapena gawo la magawo) pakati pazigawo ziwiri za zigawo za polarization. Momwe kuwala kwa chochitikacho kudutsa ma fayilo amitundu yosiyanasiyana, kuunika kosiyana ndi kosiyana, komwe kumatha kukhala kolowera patali, kuwala kolowera, kuwala kozungulira kwaudindo, ndi zina zotere. Pakusintha kwina kulikonse, kusiyana kumatsimikiziridwa ndi makulidwe la mbale yoweyula.
Mawayilesi amtambo nthawi zambiri amapangidwa ndi birefringent zinthu zowoneka bwino monga quartz, calcite kapena mica, pomwe ma axis amaso ndi ofanana. Ma plates ofunikira (kuphatikiza ma λ / 2 ndi λ / 4 wave plates) amachokera pamangidwe omangidwa ndi mpweya omwe amalola kugwiritsidwa ntchito kwa ntchito zamagetsi zamagetsi zokhala ndi zowononga zapamwamba kuposa 10 J / cm² kwa 20 ns pulses pa 1064 nm.
Hafu (λ / 2) Pulogalamu yama Wave
Pambuyo podutsa mu vel / 2 wave plates, kuwala kwa mzere wozungulira kumayang'anabe pakati, komabe, pali kusiyana kwa ma angle (2θ) pakati pa ndege yamagetsi yamagetsi ophatikizika ndi ndege yamagetsi ya chochitikacho. Ngati θ = 45 °, ndege yamagetsi yotuluka yotuluka imakhala yokhazikika kuzungulira kwa ndege ya kugwedezeka kwa zochitikazo, ndiye, pomwe θ = 45 °, mbale ya λ / 2 ikhoza kusintha boma polarization ndi 90 °.
Quarter (λ / 4) Pulogalamu yama Wave
Mphepete pakati pa chochitika chogwedezeka ndikuwala kwa ma polarized kuwala ndi cholowera cha mafunde ndiku θ = 45 °, kuunika kudutsa phula la mafunde a λ / 4 kumakhala kozungulira. Kupanda kutero, mutatha kudutsa phula la wave oto / 4, kuunika kozungulira kozungulira kumakhala ndi malire. Mbale yoweyula ya λ / 4 imakhala ndi mphamvu yofanana ndi mbale ya λ / 2 pamene ilola kuunika kudutsa kawiri.
Zambiri za WISOPTIC - Mbale za Wave
Zoyimira | Kuyang'ana Kwambiri | ||
Zida | Laser-grade crystalline quartz | ||
Kulekerera | + 0.0 / -0.2 mm | + 0.0 / -0.15 mm | |
Kulekerera | ± λ / 200 | ± λ / 300 | |
Chotsani mawonekedwe | > 90% ya malo apakati | ||
Makulidwe apamwamba [S / D] | <20/10 [S / D] | <10/5 [S / D] | |
Kupititsidwa Kutali Kwamtambo | λ / 8 @ 632.8 nm | λ / 10 @ 632.8 nm | |
Parallelism (mbale imodzi) | ≤ 3 ” | ≤ 1 ” | |
Kuthira | R < 0,2% pa wave wavelength wapakati | ||
Kubvunda kwa Laser | 10 J / cm² @ 1064 nm, 10 ns, 10 Hz |