Broad emission band of Yb3+ in the nonlinear Nb:RbTiOPO4 crystal: origin and applications
Source: Opt. Express 18, 7228 (2010); doi:10.1364/OE.18.007228
Issue Date: August 2010
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Research ToolkitPACS
- 42.65.Re
Ultrafast processes; optical pulse generation and pulse compression - 42.60.-v
Laser optical systems: design and operation - 42.70.Nq
Other nonlinear optical materials; photorefractive and semiconductor materials - 81.05.-t
Specific materials: fabrication, treatment, testing and analysis - 42.70.Mp
Nonlinear optical crystals - YEAR: 2010
PUBLICATION DATA
1553-9601 (online)
OSA
By means of micro-structural and optical characterization of the Yb:Nb:RbTiOPO4 crystal, we demonstrated that the broad emission band of Yb3+ in these crystals is due to the large splitting of the ytterbium ground state only, and not to a complex multisite occupation by the ytterbium ions in the crystals. We used this broad emission band to demonstrate wide laser tuning range and generation of femtosecond laser pulses. Passive mode-locked laser operation has been realized by using a semiconductor saturable absorber mirror, generating ultra short laser pulses of 155 fs, which were very stable in time, under Ti:sapphire laser pumping at 1053 nm.
©2010 Optical Society of America
(As supplied by publisher.)
| Permalink: | http://dx.doi.org/10.1364/OE.18.007228 |
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