New class of compact diode pumped sub 10-fs lasers for biomedical applications

T. Le; A. Müller; B. Sumpf; O. B. Jensen; A. K. Hansen; P. E. Andersen

doi:10.1117/12.2208589

9 March 2016 New class of compact diode pumped sub 10-fs lasers for biomedical applications

T. Le, A. Müller, B. Sumpf, O. B. Jensen, A. K. Hansen, P. E. Andersen

Proceedings Volume 9740, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XVI; 97400D (2016) https://doi.org/10.1117/12.2208589
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

Diode-pumping Ti:sapphire lasers promises a new approach to low-cost femtosecond light sources. Thus in recent years much effort has been taken just to overcome the quite low power and low beam qualities of available green diodes to obtain output powers of several hundred milliwatts from a fs-laser. In this work we present an alternative method by deploying frequency-doubled IR diodes with good beam qualities to pump fs-lasers. The revolutionary approach allows choosing any pump wavelengths in the green region and avoids complicated relay optics for the diodes. For the first time we show results of a diode-pumped 10 fs-laser and how a single diode setup can be integrated into a 30 x 30 cm² fs-laser system generating sub 20 fs laser pulses with output power towards half a Watt. This technology paves the way for a new class of very compact and cost-efficient fs-lasers for life science and industrial applications.

Citation Download Citation

T. Le, A. Müller, B. Sumpf, O. B. Jensen, A. K. Hansen, and P. E. Andersen "New class of compact diode pumped sub 10-fs lasers for biomedical applications", Proc. SPIE 9740, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XVI, 97400D (9 March 2016); https://doi.org/10.1117/12.2208589

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KEYWORDS

Semiconductor lasers

Second-harmonic generation

Light sources

Crystals

Mirrors

Mode locking

Solid state lasers

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