Sodium temperature lidar measurements of the mesopause region over Syowa Station, Antarctica

この論文をさがす

説明

Observation of mesospheric temperature profiles with a new sodium lidar has started at Syowa Station (69° 00'S, 390° 3 5'E) since February, 2000. The transmitter is composed from injection seeded Nd:YAG lasers of 1064 nm and 1 3 1 9 nm, producing sodium resonance line at 589 nm by sum frequency generation. The advantage of this instrument is the transmitter is simple thus transportable, and a reliable solid state system requiring less maintenance compared with ordinary type of dye laser transmitters. The 589 nm laser bandwidth is well narrowed less than 100 MHz, pulse width is 40 nsec, and the energy is 40 mJ/pulse. The 589 nm wavelength is controlled by a personal computer with monitoring a seed laser wavelength using a wavemeter with an accuracy of 0. 1 pm. Temperature structures were measured by two frequency technique and by sodium D2 Doppler profile filling. Both results were in good agreement and consistent with model temperature structure.

収録刊行物

詳細情報 詳細情報について

  • CRID
    1872835442728853376
  • DOI
    10.1117/12.417055
  • ISSN
    0277786X
  • データソース種別
    • OpenAIRE

問題の指摘

ページトップへ