4 papers
Thermal Deformation Reduction in High-Power Interferometry with Higher-Order Laser Modes
Liu Tao, Yuhang Zhao, Zong-Hong Zhu +1
Test-mass thermal noise is a limiting noise source for current and next-generation ground-based gravitational-wave observatories. Uniform-intensity higher-order laser beams, includ…
Simultaneous Misalignment and Mode Mismatch Sensing in Optical Cavities Using Intensity-Only Measurements
Liu Tao, Eleonora Capocasa, Yuhang Zhao +3
Precise sensing and control of spatial mode content is essential for the performance of precision optical systems, particularly interferometric gravitational-wave detectors, where…
High-efficiency Electro-Optic Lens for radio frequency beam wavefront modulation for mode mismatch sensing
Liu Tao, Mauricio Diaz-Ortiz, Paul Fulda
Active mode mismatch sensing and control can facilitate optimal coupling in optical cavity experiments such as interferometric gravitational wave detectors. In this paper, we demon…
Expanding the Quantum-Limited Gravitational-Wave Detection Horizon
Liu Tao, Mohak Bhattacharya, Peter Carney +9
We demonstrate the potential of new adaptive optical technology to expand the detection horizon of gravitational-wave observatories. Achieving greater quantum-noise-limited sensiti…