Yabuki et al. (2026) Optimization of an Optical Design for a Rotational Raman Lidar for Profiling the Accurate Atmospheric Temperature

⚠️ Warning: This summary was generated from the abstract only, as the full text was not available.

Identification

• Journal: Springer Link (Chiba Institute of Technology)
• Year: 2026
• Date: 2026-04-09
• Authors: Masanori Yabuki, Kazuto Matsuki, Yuichi Uchiho, Eiji Takeuchi, Toshikazu Hasegawa
• DOI: 10.1051/epjconf/202636209022/pdf

Research Groups

Not specified in the text.

Short Summary

This paper details the construction of a novel rotational and vibrational Raman lidar system, employing a 266 nm laser, designed for precise temperature and water vapor profiling in the lower troposphere. The system features an optimized optical design that enhances accuracy and minimizes the impact of laser wavelength instability.

Objective

• To construct and optimize a rotational and vibrational Raman lidar system for accurate temperature and water vapor profiling in the lower troposphere.

Study Configuration

• Spatial Scale: Lower troposphere
• Temporal Scale: Not specified, but implied to be real-time or near real-time profiling.

Methodology and Data

• Models used: Not applicable; focuses on hardware development.
• Data sources: Rotational and vibrational Raman lidar system utilizing a 266 nm laser.

Main Results

• A novel optical system for rotational Raman detection was constructed, incorporating a double-grating spectrometer and a linear array photomultiplier tube.
• The design effectively shapes the spectrum and streamlines optical alignment.
• The system minimizes the impact of laser wavelength instability, allowing for the use of a non-seeded laser source.
• Temperature estimation accuracy is enhanced through the integration of a relay lens that optimizes wavelength resolution across the optical detection and receiving systems.

Contributions

• Introduction of an optimized optical design for rotational Raman lidar.
• Facilitates precise atmospheric temperature profiling.
• Enables the use of non-seeded laser sources by minimizing the impact of laser wavelength instability.
• Improves wavelength resolution and streamlines optical alignment for enhanced accuracy in thermodynamic profiling.

Funding

Not specified in the text.

Citation

@article{Yabuki2026Optimization,
  author = {Yabuki, Masanori and Matsuki, Kazuto and Uchiho, Yuichi and Takeuchi, Eiji and Hasegawa, Toshikazu},
  title = {Optimization of an Optical Design for a Rotational Raman Lidar for Profiling the Accurate Atmospheric Temperature},
  journal = {Springer Link (Chiba Institute of Technology)},
  year = {2026},
  doi = {10.1051/epjconf/202636209022/pdf},
  url = {https://doi.org/10.1051/epjconf/202636209022/pdf}
}