All-fiber laser transmitter, operating in the eye-safe spectral region: first stage

Maria Michalska; Jacek Swiderski; Waldemar Zendzian

doi:10.1117/12.2013492

22 January 2013 All-fiber laser transmitter, operating in the eye-safe spectral region: first stage

Maria Michalska, Jacek Swiderski, Waldemar Zendzian

Proceedings Volume 8702, Laser Technology 2012: Progress in Lasers; 870202 (2013) https://doi.org/10.1117/12.2013492
Event: Tenth Symposium on Laser Technology, 2012, Szczecin, Poland

Abstract

The paper presents a current state of the project aiming to develop a compact and mobile pulsed laser source, operated in “eye-safe” spectral region (1.5 μm). It will be a high power, all-fiber system generating nanosecond pulses with repetition rate ranging from tens to hundreds kHz and built in Master Oscillator Power Amplifier (MOPA) configuration. First amplifying cascade of the system has been developed. Distributed Feedback (DFB) laser diode with home-built supply and pulse control system was used as a master oscillator. It can generate rectangular laser pulses with independently changeable repetition rate (10 – 200 kHz) and pulse width (20 – 300 ns). The system provides over 34 dB optical gain. In addition, simulations of amplification laser radiation in the active fiber for different input pulse energies in relation to saturation energy were presented. Furthermore theoretical and experimental optimization of an active fiber length was done. In the first elaborated stage of amplifier 18,1 % slope efficiency was obtained.

Citation Download Citation

Maria Michalska, Jacek Swiderski, and Waldemar Zendzian "All-fiber laser transmitter, operating in the eye-safe spectral region: first stage", Proc. SPIE 8702, Laser Technology 2012: Progress in Lasers, 870202 (22 January 2013); https://doi.org/10.1117/12.2013492

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KEYWORDS

Pulsed laser operation

Semiconductor lasers

Optical amplifiers

Erbium

Laser systems engineering

Energy efficiency

Amplifiers

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