AI Article Synopsis
- The study showcases the use of an optical circulator in an in-line lidar system, where the transmitter and receiver are equipped within a telescope.
- It effectively separates the outgoing laser beam from the incoming echo lights along the same optical axis, while also splitting the echo lights into two orthogonally polarized components.
- The developed optical circulator demonstrates a low insertion loss of 2.2 dB and high isolation of over 60 dB, enabling precise measurement of polarization ratios influenced by atmospheric cloud phases.
Article Abstract
The application of an optical circulator is demonstrated for an in-line-type lidar. The lidar's transmitter and receiver are installed in a telescope. The optical circulator of interest here can separate the transmitting laser beam and the echo lights on the same optical axis. It can also divide the echo lights simultaneously into orthogonally polarized components. An insertion loss of 2.2 dB and isolation of >60 dB for the developed optical circulator are obtained in a laser-transmitting situation. This optical circulator makes it possible to measure the polarization ratio caused by cloud phases with a narrow field of view in an in-line-type lidar operation.
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| http://dx.doi.org/10.1364/ao.41.003900 | DOI Listing |
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