Techniques and devices for generating laser light that use large mode area fiber amplifiers and curved fiber sections to achieve desired operations in a fundamental fiber mode with high pulse quality and optical beam quality while reducing presence of high order fiber modes in continuous wave and pulsed laser …

Legal parties

Inventors (applicants): Jerry Prawiharjo, Sha Tong, Anthony Hong Lin
Assignees (initial): Calmar Optcom, Inc. (Sunnyvale, US)
Agents: SV Patent Service (attorney)

The application was examined by Dung Nguyen (USPTO dept. 2828)


  • 1. A fiber laser device for generating laser pulses, comprising: …
  • 2. The fiber laser device of claim 1 , wherein at least one of the one or more …
  • 3. The fiber laser device of claim 1 , wherein at least one of the one or more …

Cited documents


  • Savage-Leuchs et al. US 2011/0249321 A1 / 359/341.3, Oct. 1, 2011
  • Rockwell et al. US 2010/0189392 A1 / 385/28, Jul. 1, 2010
  • Wells et al. US 8353899 B1 / 606/10, Jan. 1, 2013

Brief Description of the Drawings

FIG. 1A is a block diagram of an exemplified pulsed fiber laser device compatible with the present invention. FIGS. 1B-1D are block diagrams of different implementations of high-quality, low noise …


Background of the Invention

This document relates to generation of laser light by using optical fiber amplifiers in fiber lasers such as pulse fiber lasers and continuous wave fiber lasers. Fiber amplifiers can be used …

Priority Claim and Related Patent Application

This patent document is a continuation-in-part application and claims the priority to U.S. application Ser. No. 13/247,114 “Generating Laser Light of High Beam Quality and High Pulse Quality in Large …

Detailed Description of the Invention

The techniques and devices for generating laser light described in this document use large mode area fiber amplifiers. The large mode area (LMA) fiber amplifiers allow the optical power to be distributed …

More details about Fiber Lasers With Devices Capable of Suppressing High-Order Mode Mixing and Generating High Quality and Low Noise Laser Light

Miscellaneous patent data

Located in Sunnyvale (US), the assignee company is Calmar Optcom, Inc., the application was examined by Dung Nguyen (2828 USPTO department), the exemplary claims include number 1, the assignee is a United States company, numbered 13/403,279 (application), similar categories include Having particular electrode structure, using inductive or capacitive excitation, Optical Isolater, superlattice structure, Long Wavelength, One or more reflectors having variable properties or positions for initial adjustment of the resonator, monitoring the optical output parameters, Structural details or components not essential to laser action, Excited phosphor, the active gas being polyatomic, i.e. containing more than one atom, the patent grant extension term is 125 days, illustrated by 12 drawings, originally classified under Optical Fiber Laser, the known agent's organization is SV Patent Service, the grant number is 08582609, the patent particularly claims a fiber laser device for generating laser pulses, comprising…, 20 claims comprise the protection scope, the application publication date is Feb. 23, 2012, the inventor's city is Sunnyvale, state - CA, the inventor's name is Prawiharjo Jerry, the applicant's address - Palo Alto, CA, the known applicant's name is Lin Anthony Hong, the exemplary patent drawings are Block diagram of a continuous, Fiber Lasers With Devices Capable, block diagrams of different implementations, Block diagram of an exemplified, 16 figures depict the invention details, invented by Jerry Prawiharjo et al., the invention is named Fiber Lasers With Devices Capable of Suppressing High-Order Mode Mixing and Generating High Quality and Low Noise Laser Light, the patent was granted on Nov. 12, 2013.

Invention classification information

The invention is classified under using scattering effects, e.g. stimulated Brillouin or Raman effects, Particular Beam Control Device, Pulse, Power, Optical Fiber Laser. The designated search classifications include Optical Fiber Laser, Particular Beam Control Device, Pulse.

Patent details
Publication number 08582609
Publication date Nov. 12, 2013
Kind code B2
Application number 13/403,279
Application date Feb. 23, 2012
Application type U
Application series code 13
Extension term 125
National classification 372/6
Total number of claims 20
Exemplary claims 1
Number of drawings 12
Number of figures 16
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