| 摘要 |
A device includes a transmitter for transmitting a first optical signal towards a target, which incorporates an optical parametric oscillator. A receiver is capable of receiving a second optical signal from said target. The second optical signal is the reflected signal from the first signal. The receiver means comprises an optical parametric amplifier. A wavelength matching device matches the wavelengths produced by the optical parametric oscillator with that received from the optical parametric amplifier. The optical parametric amplifier is typically joined with a laser to form an optical parametric amplifier laser, while the optical parametric oscillator is joined with a laser to form an optical parametric oscillator laser.
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