Fiber laser system using fiber having dysprosium

Details Fiber laser system using fiber having dysprosium Fiber laser system using fiber having dysprosium

2008-02-07

2009-11-10

Rodriguez, Armando (Department: 2828)

Coherent light generators

Optical fiber laser

C372S039000, C372S069000

Reexamination Certificate

active

07616668

ABSTRACT:
Provided is a fiber laser system including fiber containing dysprosium. The fiber laser system uses 1.7-μm pump light. A resonator of the fiber laser system includes a dichroic mirror, a partial reflection mirror, and/or an FBG. Therefore, the fiber laser system can provide 3-μm laser light and have high light pumping efficiency and high output power. The fiber laser system includes: fiber including dysprosium, a pump light source disposed at a side of the fiber and emitting pump light having a wavelength exciting electrons of the dysprosium from a ground energy level6H15/2to an energy level6H11/2; a first reflection member, disposed between the fiber and the pump light source, transmitting the pump light, and reflecting first lasing light having a first wavelength; and a second reflection member, disposed at a side opposite to the pump light source with respect to the fiber, transmitting a portion of the first lasing light.

REFERENCES:
Yuen H. Tsang et al. “Efficient 2.96 um dysprosium-doped fluoride fibre laser pumped with a Nd:YAG laser operating at 1.3 um”, Optics Express, Jan. 23, 2006, vol. 14, No. 2, pp. 678-685.
Stuart D. Jackson, “Continuous wave 2.9 um dysprosium-doped fluoride fiber laser” Applied Physics Letters, vol. 83, No. 7, Aug. 18, 2003, pp. 1316-1318.

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