Cov optics no pom siv dav thoob plaws hauv kev ua laser, kev kuaj mob, thiab spectroscopy. Hauv CO₂ laser txiav, cim, thiab vuam, lawv ua rau muaj kev xa khoom beam meej thiab kev tswj cov txheej txheem. Rau kev saib xyuas lub zog thiab kev kuaj, lawv rho tawm ib feem me me ntawm beam rau kev ntsuas lub sijhawm tiag tiag yam tsis cuam tshuam rau kev ua haujlwm tseem ceeb. Lawv kuj tseem ceeb rau infrared thermal imagers thiab FTIR spectrometers, nrog rau cov khoom siv laser kho mob thiab cov txheej txheem pyrometry kev lag luam. Lawv lub luag haujlwm hauv qab yog faib ib lub beam ua ob lossis koom ua ke ob lub beams rau hauv ib qho. Hauv qhov kev teeb tsa polarizing (PBS), lawv tshwj xeeb tswj cov beams uas cov polarization axes yog orthogonal rau ib leeg, nrog rau kev ua tau zoo tag nrho thaum kawg tswj hwm los ntawm cov txheej txheem txheej txheem siv rau lub substrate.
Wavelength tau tsom mus rau kev muab cov khoom siv kho qhov muag siab rau 20 xyoo