Advances in 7xx-nm fiber-coupled modules with application to Tm fiber laser pumping and DPAL (Conference Presentation)

Steven G. Patterson; Tina Guiney; Dean Stapleton; Joseph Braker; Kim Alegria; David A. Irwin; Christopher Ebert

doi:10.1117/12.2253001

21 April 2017 Advances in 7xx-nm fiber-coupled modules with application to Tm fiber laser pumping and DPAL (Conference Presentation)

Steven G. Patterson, Tina Guiney, Dean Stapleton, Joseph Braker, Kim Alegria, David A. Irwin, Christopher Ebert

Author Affiliations +

Proceedings Volume 10086, High-Power Diode Laser Technology XV; 100860I (2017) https://doi.org/10.1117/12.2253001
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

DILAS has leveraged its industry-leading work in manufacturing low SWaP fiber-coupled modules extending the wavelength range to 793nm for Tm fiber laser pumping. Ideal for medical, industrial and military applications, modules spanning from single emitter-based 9W to TBar-based 200W of 793nm pump power will be discussed. The highlight is a lightweight module capable of <200W of 793nm pump power out of a package weighing < 400 grams. In addition, other modules spanning from single emitter-based 9W to TBar-based 200W of 793nm pump power will be presented. In addition, advances in DPAL modules, emitting at the technologically important wavelengths near 766nm and 780nm, will be detailed. Highlights include a fully microprocessor controlled fiber-coupled module that produces greater than 400W from a 600 micron core fiber and a line width of only 56.3pm. The micro-processor permits the automated center wavelength and line width tuning of the output over a range of output powers while retaining excellent line center and line width stability over time.

Conference Presentation

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Steven G. Patterson, Tina Guiney, Dean Stapleton, Joseph Braker, Kim Alegria, David A. Irwin, and Christopher Ebert "Advances in 7xx-nm fiber-coupled modules with application to Tm fiber laser pumping and DPAL (Conference Presentation)", Proc. SPIE 10086, High-Power Diode Laser Technology XV, 100860I (21 April 2017); https://doi.org/10.1117/12.2253001

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KEYWORDS

Fiber lasers

Thulium

Defense technologies

Manufacturing

Semiconductor lasers

Current controlled current source

High power lasers

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