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Compact high power mid-IR spectroscopic source based on difference frequency generation in PPLN

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An all solid-state, fiber coupled spectroscopic source based on difference frequency generation (DFG) in periodically poled lithium niobate (PPLN) is reported that generates up to 0.7 mW continuous wave (cw), tunable mid-infrared power at 3.3 µm with a linewidth of < 60 MHz.

© 2000 Optical Society of America

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