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:
Feb. 14, 2017
Filed:
Jan. 16, 2013
Leslie Brandon Shaw, Woodbridge, VA (US);
Rafael R. Gattass, Washington, DC (US);
Jasbinder S. Sanghera, Ashburn, VA (US);
Ishwar D. Aggarwal, Charlotte, NC (US);
Leslie Brandon Shaw, Woodbridge, VA (US);
Rafael R. Gattass, Washington, DC (US);
Jasbinder S. Sanghera, Ashburn, VA (US);
Ishwar D. Aggarwal, Charlotte, NC (US);
The United States of America, as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
A method of generating ultrashort pulses with wavelengths greater than 2 μm comprising a short pulse diode laser or fiber laser operating at a wavelength of 1 μm or greater with a pulse width of 10 ps or greater, one or more amplification stages to increase the peak power of the pulsed source, a nonlinear fiber stage whereby the dispersion of the nonlinear fiber is anomalous at the pulsed source wavelength such that the fiber breaks up the pulse into a series of sub-ps pulse train through modulation instability which may be seeded by spontaneous noise which are then wavelength shifted in one or more stages by soliton self frequency shift in anomalous dispersion fiber or Raman in normal dispersion fiber and amplified in one or more stages to generate a high peak power ultrashort pulse (<1 ps) source at a wavelength of 2.4 μm or greater.