Full Content is available to subscribers

Subscribe/Learn More  >
Proceedings Article

A novel method of increasing the efficiency of 1064 nm two tone amplifiers through heating of the gain fiber

[+] Author Affiliations
L. J. Henry, T. M. Shay

Air Force Research Lab. (USA)

D. Hult

TREX Enterprises Corp. (USA)

K. Rowland, Jr.

Boeing LTS Inc. (USA)

Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79140A (February 10, 2011); doi:10.1117/12.876148
Text Size: A A A
From Conference Volume 7914

  • Fiber Lasers VIII: Technology, Systems, and Applications
  • Jay W. Dawson
  • San Francisco, California, USA | January 22, 2011

abstract

The efficiency of two tone fiber amplifiers can be changed rather significantly by altering the temperature of the external environment surrounding the gain fiber. It is shown experimentally that changes in the temperature of the core of the gain fiber has dramatic effects on the 1064 nm / 1040 nm power distribution in the output of narrow linewidth 1064 nm two tone amplifiers with a greater percentage of the output being 1064 nm at higher core temperatures. By increasing the environmental temperature of the gain fiber from 20 to 80°C, the efficiency of a 1064 nm two tone amplifier can be increased up to 40% with the greatest increases seen in amplifiers seeded hardest in 1040 nm, i.e., having the smallest 1064 nm / 1040 nm seed ratios. This has been attributed to temperature dependence of the absorption and emission cross-sections at the wavelengths of interest. Finally, the temperature of the gain fiber can be used as a design tool to enable a higher efficiency 1064 nm two tone amplifier.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

L. J. Henry ; T. M. Shay ; D. Hult and K. Rowland, Jr.
"A novel method of increasing the efficiency of 1064 nm two tone amplifiers through heating of the gain fiber", Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79140A (February 10, 2011); doi:10.1117/12.876148; http://dx.doi.org/10.1117/12.876148


Access This Proceeding
Sign in or Create a personal account to Buy this proceeding ($15 for members, $18 for non-members).

Figures

Tables

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging & repositioning the boxes below.

Related Book Chapters

Topic Collections

Advertisement
  • Don't have an account?
  • Subscribe to the SPIE Digital Library
  • Create a FREE account to sign up for Digital Library content alerts and gain access to institutional subscriptions remotely.
Access This Proceeding
Sign in or Create a personal account to Buy this proceeding ($15 for members, $18 for non-members).
Access This Proceeding
Sign in or Create a personal account to Buy this article ($15 for members, $18 for non-members).
Access This Chapter

Access to SPIE eBooks is limited to subscribing institutions and is not available as part of a personal subscription. Print or electronic versions of individual SPIE books may be purchased via SPIE.org.