PZT	Lead zirconate titanate
PVDF	Polyvinylidene difluoride
CMUT	Capacitive micromachined ultrasonic transducer
PMUT	Piezoelectric micromachined ultrasonic transducer
SS-OCT	Sweep source optical coherent tomography
VCSEL	Vertical cavity surface emitting laser
FWHM	Full width half maximum
DRIE	Deep reactive ion etching
SOI	Silicon-on-insulator
DAC	Dual-axis confocal
SVC	Staggered vertical combdrive
FOV	Field-of-view
PMT	Photomultiplier tubes
SECM	Spectrally encoded confocal microscope
NA	Numerical aperture
PAEM	Photoacoustic endomicroscope
MRR	Microring resonator