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High-Precision Inertial Sensor Charge Management Based on Ultraviolet Discharge: A Comprehensive Review.

Tao Yu^1,2, Yuhua Wang^1,3, Yang Liu^1,3

¹Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China.

Sensors (Basel, Switzerland)

|September 28, 2023

Summary

Charge accumulation from space radiation creates noise in inertial sensors for gravitational wave detection. Ultraviolet discharge systems are crucial for managing this charge, improving sensor precision.

Keywords:

charge accumulation charge management inertial sensor space gravitational wave detection ultraviolet discharge

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Area of Science:

Space physics
Sensor technology
Gravitational wave detection

Background:

Cosmic rays and solar energetic particles cause charge accumulation.
This charge accumulation acts as a significant noise source for inertial sensors.
Inertial sensors are critical for space-based gravitational wave detection.

Purpose of the Study:

To explain the principles of ultraviolet discharge for charge management.
To detail the design and implementation of payloads for charge management.
To analyze charge accumulation effects and their impact on sensor noise.

Main Methods:

Investigating ultraviolet discharge principles for charge neutralization.
Designing and implementing payloads with specific coatings, light sources, and optical paths.
Analyzing the impact of charge accumulation on inertial sensor noise.

Main Results:

Demonstrated the effectiveness of ultraviolet discharge in mitigating noise.
Identified key design considerations for charge management payloads.
Provided insights into optimizing coatings, light sources, and optical paths.

Conclusions:

Ultraviolet discharge is essential for charge management in high-precision inertial sensors.
The study offers guidance for advancing ultraviolet discharge technology.
Recommendations are provided for future charge management system designs.