Lub luag haujlwm ntawm lub teeb qhov chaw hauv optical microscopes
Illumination ntawm lub microscope tuaj yeem ua tiav nrog cov khoom siv hluav taws xob lossis khoom siv hluav taws xob
1. natural light source
Lub teeb los saum ntuj, nyiam dua los ntawm huab dawb. Tsis txhob siv lub hnub ci ncaj qha.
2. Artificial light source
① Cov kev xav tau yooj yim rau cov khoom siv teeb pom kev zoo: txaus luminous siv; Lub teeb ci yuav tsum tsis txhob ua kom sov ntau dhau.
② Feem ntau siv cov teeb pom kev zoo: lub teeb tsom iav; fluorescent teeb
