Techniques and devices for generating laser light that use large mode area fiber amplifiers and designed coiling 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 (CW) and pulsed laser …

Legal parties

Inventors (applicants): Anthony Hong Lin, Jerry Prawiharjo, Sha Tong
Assignees (initial): Calmar Optcom, Inc. (Sunnyvale, US)
Agents: Perkins Coie LLP (attorney)

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


  • 1. A method for generating laser light, comprising: …
  • 2. The method as in claim 1 , comprising: …
  • 3. The method as in claim 1 , comprising: …

Cited documents


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


Brief Description of the Drawings

FIG. 1 shows one example of a chirped pulse amplifier system FIG. 2 shows an example implementation of the power amplifier in FIG. 1 based on a large …



This document relates to generation of laser light by using optical fiber amplifiers in fiber lasers including pulse fiber lasers. Fiber amplifiers can be used to amplify continuous wave (CW) …

Priority Claim and Related Patent Application

This patent document claims the priority of U.S. Provisional Application No. 61/516,343 entitled “Large Mode Area Fiber Amplifier Design for High Energy Output for Chirp Pulse Amplifier” and filed Apr. …

Detailed Description

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 Generating Laser Light of High Beam Quality and High Pulse Quality in Large Mode Area Fiber Amplifiers Based on Suppression of High Optical Modes by Fiber Coiling

Miscellaneous patent data

The exemplary claims include number 1, the exemplary patent drawings are example implementation of the power, Generating Laser Light of High, pulse quality degradation as a consequence, one example of a chirped, the grant number is 08532150, the patent grant extension term is 161 days, 26 claims comprise the protection scope, was examined by 2828 USPTO department, the examiner - Dung Nguyen, invented by Jerry Prawiharjo et al., the application publication date is Sep. 28, 2011, the patent particularly claims a method for generating laser light, comprising…, similar categories include Heat sink, Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating, Discharge tube feature, including a chelate, Having an Applied Magnetic Field, Miscellaneous, the active gas being polyatomic, i.e. containing more than one atom, gas laser discharge tubes, Buried mesa structure, Transverse junction, the known agent's company name - Perkins Coie LLP, the patent was granted on Sep. 10, 2013, the inventor's city is Mountain View, state - CA, the known inventor's name is Sha Tong, illustrated by 6 drawings, the applicant's city - Sunnyvale, state - CA, the applicant's first name is Jerry, and his last name is Prawiharjo, the assignee is a United States company, the assignee organization is Calmar Optcom, Inc., located in Sunnyvale (US), numbered 13/247,114 (application), 8 figures depict the invention details, originally classified under Optical Fiber Laser, the invention is named Generating Laser Light of High Beam Quality and High Pulse Quality in Large Mode Area Fiber Amplifiers Based on Suppression of High Optical Modes by Fiber Coiling.

Invention classification information

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

Patent details
Publication number 08532150
Publication date Sep. 10, 2013
Kind code B1
Application number 13/247,114
Application date Sep. 28, 2011
Application type U
Application series code 13
Extension term 161
National classification 372/6
Total number of claims 26
Exemplary claims 1
Number of drawings 6
Number of figures 8
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