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1 December 2017 Advanced injection seeder for various applications: form LIDARs to supercontinuum sources
Pawel Grzes
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Proceedings Volume 10603, Photonics, Devices, and Systems VII; 1060302 (2017) https://doi.org/10.1117/12.2292454
Event: Photonics Prague 2017, 2017, Prague, Czech Republic
Abstract
The paper describes an injection seeder driver (prototype) for a directly modulated semiconductor laser diode. The device provides adjustable pulse duration and repetition frequency to shape an output signal. A temperature controller stabilizes a laser diode spectrum. Additionally, to avoid a back oscillation, redundant power supply holds a generation until next stages shut down. Low EMI design and ESD protection guarantee stable operation even in a noisy environment. The controller is connected to the PC via USB and parameters of the pulse are digitally controlled through a graphical interface. The injection seeder controller can be used with a majority of commercially available laser diodes. In the experimental setup a telecommunication DFB laser with 4 GHz bandwidth was used. It allows achieving subnanosecond pulses generated at the repetition rate ranging from 1 kHz to 50 MHz. The developed injection seeder controller with a proper laser diode can be used in many scientific, industrial and medical applications.
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Pawel Grzes "Advanced injection seeder for various applications: form LIDARs to supercontinuum sources", Proc. SPIE 10603, Photonics, Devices, and Systems VII, 1060302 (1 December 2017); https://doi.org/10.1117/12.2292454
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KEYWORDS
LIDAR
Supercontinuum sources
Pulsed fiber lasers
Semiconductor lasers
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