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Compact multimode laser with rapid wavelength scanning

Image Number 6 for United States Patent #7843976.

In accordance with the present invention, a compact laser system with nearly continuous wavelength scanning is presented. In some embodiments, the compact laser system can be scanned over a broad range. In some embodiments, the compact laser system can be scanned at high scan rates. In some embodiments, the compact laser system can have a variable coherence length. In particular, embodiments with wavelength scanning over 140 nm with continuously variable scan rates of up to about 1 nm/.mu.s, and discrete increase in scan rates up to about 10 nm/.mu.s, and variable coherence lengths of from 1 mm to about 30 mm can be achieved.

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