The application provides a suspended optical
mechanical system, comprising a first substrate block, a suspended
waveguide, a suspended support beam, a plurality of support tether groups, a suspended detection
mass and an
optical cavity, wherein the suspended
waveguide comprises a linear main body part extending along an X direction and a plurality of connection parts arranged in sequence and at intervals along the X direction, and the support tether groups are connected to the section of the suspended
waveguide with the connection parts, the stability of the connection of the support tether and the suspended waveguide is increased, the width of the suspended waveguide at the connection parts is enlarged, the optical mode can be well limited in the waveguide, and the influence of the support tether on the optical mode is minimized. The tapered part of the connection part ensures the singularity of the mode in the process of
light field transmission and slows down the change trend of the width of the suspended waveguide, which is beneficial to reduce the
scattering loss and further increase the quality factor. The connection part arranged on one side can ensure that the
gap width between the suspended waveguide and the
optical cavity is constant, thereby ensuring the optimal
coupling efficiency.