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Rapidly tunable millimeter-wave optical transmitter for lidar-radar

2001; IEEE Microwave Theory and Techniques Society; Volume: 49; Issue: 10 Linguagem: Inglês

10.1109/22.954829

ISSN

1557-9670

Autores

Yifei Li, A.J.C. Vieira, Samuel M. Goldwasser, P.R. Herczfeld,

Tópico(s)

Advanced Fiber Laser Technologies

Resumo

This paper reports on the optical generation of a rapidly tunable millimeter-wave subcarrier for lidar-radar. The millimeter-wave signal is generated by beating the output from two Nd:YVO/sub 4//MgO:LiNbO/sub 3/ electrooptical monomode microchip laser sections realized monolithically in a single composite crystal. The device has a continuous tuning range up to 45 GHz. The measured chirp rate is 3816 THz/s, the voltage sensitivity is 10.6 MHz/V, and the measured residual phase noise is -106 dBc/Hz at 10-kHz offset.

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