Fibre-based source of femtosecond pulses tunable from 1.0 to 1.3 μm
Lim, H.; Buckley, J.; Chong, A.; Wise, F.W.
Electronics Letters
Volume 40, Issue 24, 25 Nov. 2004 Page(s): 1523 - 1525
Digital Object Identifier   10.1049/el:20047091
Summary: Tunable short-pulse generation in the spectral range 1030-1330 nm with an all-fibre source is demonstrated. A compact system with a femtosecond Yb fibre oscillator and a photonic crystal fibre relies on the soliton self-frequency shift to cover the wavelengths of primary interest to biological/biomedical imaging deep in tissue. Continuous tuning of <100 fs pulses with energies in the range 0.1-0.5 nJ is accomplished by adjusting the pulse energy.

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