Radiation Pressure Measurement for Small Mass and Force Standard Using Voltage Balance Apparatus Developed at NMIJ

The radiation pressure force has been widely considered in a wide range of fields, such as microscopic optomechanics, plasmonics, astronautics, and metrology. The precision measurement of radiation pressure force, especially in a fashion traceable to the International System of Units (SI), is of importance. In this work, by using a new force balance system being developed at NMIJ, which can be calibrated by SI traceable standard, the radiation pressure force of optical laser was determined and compared to a load obtained by small mass standards.