digital optical grating micrometer
microcomputer-controlled microwave-optical spectrometer
microcosmic optical parameter
micro-optical spectrometer
microwave modulated dual optical wavelength geodetic distance meter
microwave optical resonance spectrometer
optical microwave and millimeter generation
optical wedge micrometer
optical-optical conversion efficiency
Optical-optical double resonance
optical-optical double resonance(OODR)
Gigabit passive optical networkPresent and Future of Broadband Optical Access Network
Integrated Optical Acoustic-Optical Tunable Filter
integrated optical acousto-optical tunable filter (IAOTF)
Optical active device and Optical transmission equ
optical correlator optical
optical divide ratio of optical distributors
optical divide ratio of optical tapping element