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Tunable Lasers Applications to Spark Your Imagination

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Tunable Lasers Applications to Spark Your Imagination

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Interferometry is widely used to make precision length and displacement measurements ranging from less than a nanometer to tens of meters. Researchers used our 630-nm TLB-6304 laser to perform these types of precision measurements. The graph below shows a wavelength scan of a short-path-length interferometer (a couple of centimeters). The interferometer fringes are smooth and evenly spaced, demonstrating that the laser is operating single mode and mode-hop free over the entire tuning range. The phase-continuous (mode-hop-free) tuning over a wide tuning range allows high-resolution measurements over large distances.

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