A novel side coupling technique for rugged all-fiber lasers and amplifiers

Yoav Sintov; Yaakov Glick; Tomer Koplowitch; Ori Katz; Yehuda Nafcha; Yariv Shamir; Raphael Lavi

doi:10.1117/12.721420

10 May 2007 A novel side coupling technique for rugged all-fiber lasers and amplifiers

Yoav Sintov, Yaakov Glick, Tomer Koplowitch, Ori Katz, Yehuda Nafcha, Yariv Shamir, Raphael Lavi

Proceedings Volume 6552, Laser Source Technology for Defense and Security III; 65520R (2007) https://doi.org/10.1117/12.721420
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

Abstract

A novel side coupling technique between two multimode high NA fibers is described. The technique is used to efficiently pump fiber lasers and amplifiers by low brightness fiber coupled pump diodes. With the presented technique, identical multimode fibers with 0.46NA and core diameters extending from 125&mgr;m to 400&mgr;m, can be coupled together, and provide pump coupling efficiency of >90%. Direct coupling to a rare-earth doped fiber is possible. In this configuration one fiber is used as the pump guiding fiber and the second fiber is the rare-earth doped double clad fiber. By utilizing the presented pump coupling technique, highly efficient, rugged and low cost short pulse and CW all-fiber lasers were implemented, with average output power extending to 300W and peak power of 600kW.

Citation Download Citation

Yoav Sintov, Yaakov Glick, Tomer Koplowitch, Ori Katz, Yehuda Nafcha, Yariv Shamir, and Raphael Lavi "A novel side coupling technique for rugged all-fiber lasers and amplifiers", Proc. SPIE 6552, Laser Source Technology for Defense and Security III, 65520R (10 May 2007); https://doi.org/10.1117/12.721420

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available