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Multi-wavelength diode-pumped Nd:LGGG picosecond laser |
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| Authors: | A Agnesi F Pirzio G Reali A Arcangeli M Tonelli Z Jia X Tao |
| Institution: | 1. INFN Sez. di Pavia and Dipartimento di Elettronica, dell’Università di Pavia, Via Ferrata 1, 27100, Pavia, Italy 2. CNR NEST and Dipartimento di Fisica, dell’Università di Pisa, Largo B. Pontecorvo, 3, 56127, Pisa, Italy 3. State Key Laboratory of Crystal Materials, Shandong University, Ji’nan, 250100, PR China |
| Abstract: | Laser operation near 1.06 μm by a diode-pumped Nd:(Lu x Gd1?x )3Ga5O12 (Nd:LGGG) disordered crystal has been investigated. Cw oscillation, with a slope efficiency as high as 61% and 230 mW output power, was achieved with 400 mW absorbed power from a 1-W laser diode. Stable passive mode locking with single- or multi-banded spectrum was obtained with a semiconductor saturable absorber mirror (SAM) and a single-prism, dispersion-compensated cavity. Fourier limited pulses with duration ≈3–9 ps and output power ≈40 mW were generated at three well-defined laser transitions in the range 1062–1067 nm. |
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