1) frequency discriminating optical chopper
2) optical frequency discriminator
The optical frequency discriminators are studied based on developing mobile direct detection Doppler wind lidar.
3) optical frequency discrimination
A new optical frequency discrimination method is presented in this paper.
4) light frequency modulator
5) optical modulator
The design of lubrication and sealing was studied for bearings in the optical modulator which is belonged to the moving parts of the UV spectrometer in space,the life testing for bearings in the vacuum condition (10-3 Pa)was made by adopting solid lubrication and oil lubrication.
6) RF laser modulator