Q-switched neodymium-doped Y3Al5O12-based silica fiber laser
Yoo, S., Webb, A.S., Standish, R.J., May-Smith, T.C. and Sahu, J.K. (2012) Q-switched neodymium-doped Y3Al5O12-based silica fiber laser. Optics Letters, 37, (12), 2181-2183. (doi:10.1364/OL.37.002181).
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We present pulsed laser operation in a Nd-doped, Y3Al5O12-based silica fiber. The fiber was fabricated using the rod-in-tube technique with a Nd:YAG crystal rod as the core material and a silica tube for the cladding material. A spectroscopy study revealed that the core region had become amorphous in the process of fiber drawing. Q-switched pulsed laser operation was realized at a wavelength of 1058 nm when the fiber was cladding pumped at a wavelength of 808 nm. The laser delivered 38 μJ of energy in 65 ns pulses. The extracted energy was limited due to the multimodal operation of the fiber. Laser slope efficiency in continuous wave operation reached 52%. The spectroscopic properties of the fabricated fiber are discussed and compared to a Nd:YAG crystal and a Nd:Al-doped silica fiber.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
|Date Deposited:||07 Jun 2012 10:54|
|Last Modified:||01 Jul 2015 09:45|
EPSRC Centre for Innovative Manufacturing in Photonics
Funded by: EPSRC (EP/H02607X/1)
Led by: David Neil Payne
1 July 2010 to 30 June 2015
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