Fast wavelength tuning techniques for external cavity lasers
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An apparatus comprising a laser source configured to emit a light beam along a first path, an optical beam steering component configured to steer the light beam from the first path to a second path at an angle to the first path, and a diffraction grating configured to reflect back at least a portion of the light beam along the second path, wherein the angle determines an external cavity length. Included is an apparatus comprising a laser source configured to emit a light beam along a first path, a beam steering component configured to redirect the light beam to a second path at an angle to the first path, wherein the optical beam steering component is configured to change the angle at a rate of at least about one Kilohertz, and a diffraction grating configured to reflect back at least a portion of the light beam along the second path.
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Wysocki, Gerard and Tittel, Frank K., "Fast wavelength tuning techniques for external cavity lasers." Patent US7869474B2. issued 2011-01-11. Retrieved from https://hdl.handle.net/1911/80042.