Multi-Seed Laser Design for Efficient LiDAR Systems
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Summary
Problems
Current LiDAR systems require separate laser sources for different wavelengths, which increases cost and space requirements, and limits flexible configurations.
Innovation solutions
A multiple-seed laser device that shares common amplifier sections to provide multiple seed lasers with different wavelengths, allowing for efficient amplification and demultiplexing of light beams for LiDAR applications.
TRIZ Analysis
Specific contradictions:
General conflict description:
Principle concept:
If separate laser sources are used for different wavelengths, then wavelength coverage is improved, but cost and device complexity increase
Why choose this principle:
The patent combines multiple seed lasers with different wavelengths into a single integrated device that shares common amplifier sections. Multiple seed lasers are optically coupled to share amplification resources, reducing the total number of independent laser sources while maintaining multi-wavelength capability.
Principle concept:
If separate laser sources are used for different wavelengths, then wavelength coverage is improved, but cost and device complexity increase
Why choose this principle:
The common amplifier sections serve multiple seed lasers simultaneously, making the amplifier system universal. A single amplifier infrastructure provides amplification services to multiple wavelengths, eliminating the need for separate amplifier chains for each wavelength.
Application Domain
Data Source
AI summary:
A multiple-seed laser device that shares common amplifier sections to provide multiple seed lasers with different wavelengths, allowing for efficient amplification and demultiplexing of light beams for LiDAR applications.
Abstract
A laser device for providing light to a LiDAR system comprises a plurality of seed lasers configured to provide multiple seed light beams, at least two of the seed light beams having different wavelengths. An amplifier is optically coupled to the plurality of seed lasers to receive the multiple seed light beams. A power pump is configured to provide pump power to the amplifier, where the amplifier amplifies the multiple seed light beams using the pump power to obtain amplified light beams. A second light coupling unit is configured to demultiplex the amplified light beams to obtain a plurality of output light beams, at least two of the output light beams having wavelengths corresponding to the wavelengths of the at least two seed light beams.