Description of batch piezo actuators, formulas for calculation of absolute and relative deformations in first and second approximation are brought. Example of modification of machine methods for more accurate calculation of anisotropic solids and more specifically of piezo ceramics is shown. Triaxial piezo actuator solution is suggested and it’s work scheme is described. Disadvantages of batch piezo actuators and methods of their removal are shown
We propose a method for high-sensitivity subwavelength spectromicroscopy based on the usage of a spaser (plasmonic nanolaser) in the form of a scanning probe microscope tip. The high spatial resolution is defined by plasmon localization at the tip, as is the case for apertureless scanning near-field optical microscopy. In contrast to the latter method, we suggest using radiationless plasmon pumping with quantum dots instead of irradiation with an external laser beam. Due to absorption at the transition frequencies of neighboring nano-objects (molecules or clusters), dips appear in the plasmon generation spectrum. The highest sensitivity is achieved near the generation threshold.