Characteristic of intracavity optical tweezers in acceleration detection

The self-feedback characteristics of intracavity optical tweezers expands the application of optical tweezers. We present an acceleration detection method using this novel tool. The equation to reveal the relation between acceleration value and laser power is built. In our method, the acceleration value is read from detecting the intracavity laser power. We find that the slope coefficient is a constant for low acceleration value. The noise equivalent acceleration in air is lower than 1×10-3 g/Hz1/2. Our work will benefit the further inertial sensing application of optical tweezers.