The Microchip Laser and Its Drive Control System for Planetary Mass Spectrometry Measurements
Source abstract
Abstract
To fulfill the requisites of planetary mass spectrometry applications, this paper introduces the creation of a miniaturized, low-power passive Q-switched microchip laser system. The entire system, inclusive of the laser and all electronic components, weighs 106 g, with power consumption below 3 W. The laser output exhibits a pulse duration of 410 ps, accompanied by a single pulse energy of 16.8 μJ. Augmented by the optical focusing system, the system attains a focal spot size of approximately 15 μm and laser irradiance of up to 22 GW/cm2. The driving control system facilitates versatile regulation of parameters such as output current amplitude, pulse duration, and frequency, thereby modulating the laser output frequency and duty cycle. The microchip laser fully meets the power requirements for exciting plasma from planetary rocks and soil.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Laser Design and Applications · Laser-induced spectroscopy and plasma · Laser-Matter Interactions and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Laboratory of Advanced Measurement Technology, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China
Funding
Civil Aerospace Technology Pre Research Project
References (25)
Show source-provided references
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