Investigation of beam quality in Nd:YAG crystal fiber amplifier

Author

Rodin, A. ; Dement´ev, A. ; Brickus, D. ; Sasnauskas, K. ; Michailovas, A. ; Aleknavicius, A. ; Didierjean, J.

Author_Institution

Center for Phys. Sci. & Technol., Vilnius, Lithuania

fYear

2014

fDate

June 30 2014-July 4 2014

Firstpage

1

Lastpage

1

Abstract

We present results of numerical and experimental investigation of beam distortions induced in the single-pass Nd:YAG crystal fiber amplifier injected by ns and ps laser pulses counter-propagating to continuous pump beam of up to 110 W power at 808 nm emitted from the fiber coupled laser diode with spectral narrowing by Bragg grating.

Keywords

Bragg gratings; laser beams; neodymium; optical distortion; optical fibre amplifiers; optical pumping; spectral line narrowing; yttrium compounds; Bragg grating; beam distortions; beam quality; continuous pump beam; fiber coupled laser diode; nanosecond laser pulse counter-propagation; picosecond laser pulse counter-propagation; power 110 W; single-pass Nd:YAG crystal fiber amplifier; spectral narrowing; wavelength 808 nm; Fiber lasers; Laser applications; Laser beams; Laser excitation; Laser modes; Optical fiber amplifiers; Optical fiber polarization; crystal fiber amplifier; spherical aberration;

fLanguage

English

Publisher

ieee

Conference_Titel

Laser Optics, 2014 International Conference

Conference_Location

Saint Petersburg

Print_ISBN

978-1-4799-3884-1

Type

conf

DOI

10.1109/LO.2014.6886312

Filename

6886312