cov ntsiab lus maser
Ib tug maser yog microwave amplification ntaus ua los ntawm lub hauv paus ntsiab lus ntawm kev ua kom tawm ntawm lub tshav hluav taws xob. Nws tuaj yeem tsim monochromatic coherent microwave hluav taws xob nrog lub suab qis heev.