The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2014
Filed:
Apr. 29, 2010
Peter A. Roos, Bozeman, MT (US);
Randy R. Reibel, Bozeman, MT (US);
Brant Kaylor, Bozeman, MT (US);
Zeb Barber, Bozeman, MT (US);
William Randall Babbitt, Bozeman, MT (US);
Peter A. Roos, Bozeman, MT (US);
Randy R. Reibel, Bozeman, MT (US);
Brant Kaylor, Bozeman, MT (US);
Zeb Barber, Bozeman, MT (US);
William Randall Babbitt, Bozeman, MT (US);
Montana State University, Bozeman, MT (US);
Abstract
A method, apparatus and computer-readable storage medium are described for a tunable laser source that produces a desired frequency modulated optical waveform with a precision within 0.01 percent over a bandwidth greater than about 50 gigaHertz. An apparatus includes a tunable laser having one or more drive inputs for affecting an optical frequency of light output by the laser; and an optical detector. Multiple optical paths are configured to direct light output by the laser onto the optical detector. A laser controller is configured to provide to a drive input a loopback signal based on a measured or predetermined difference in optical dispersion among the plurality of optical paths and a detector signal output from the optical detector. In some embodiments, a ranging device includes the tunable laser source.