Max Planck Institute Unveils Novel Gravitational Wave Detector for Milli-Hertz Range
Scientists from the Max Planck Institute for Gravitational Physics have introduced a novel method for detecting gravitational waves in the milli-Hertz frequency range. This breakthrough complements existing space missions like LISA and opens up new avenues for exploring the universe.
The innovative ai detector, based on optical resonator technology initially developed for optical atomic clocks, measures minuscule phase shifts in laser light caused by passing gravitational waves. This configuration enhances sensitivity and allows for the identification of wave polarisation and source direction.
Each detector unit comprises two orthogonal ultra-stable optical cavities and an atomic frequency reference, enabling multi-channel detection of gravitational wave signals. The compact design is relatively immune to seismic and Newtonian noise, unlike large-scale interferometers. Integrating these detectors with existing clock networks could extend gravitational wave detection to even lower frequencies.
The new ai detector concept, unveiled by the Max Planck Institute, promises to explore the milli-Hertz frequency band, hosting signals from compact binaries of white dwarfs and black hole mergers. By complementing future space missions like LISA and high-frequency observatories like LIGO, it expands our ability to observe and understand the cosmos.
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