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Compact design of Q-switched laser systems based on liquid crystal transducers
Author(s): Xinyue Lei; Victor Karaganov; Francois Ladouceur; Leonardo Silvestri; Alex Fuerbach
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Paper Abstract

We present a compact design for a 1064 nm Q-Switched waveguide laser based on a liquid crystal transducer. Directly integrating the input-coupling mirror on the chip and utilising a Grin lens to also integrate the modulator optics enables a miniaturised setup. The preliminary experimental results have demonstrated that the Q-switched laser pulses with a pulse width of 45 ns and average output power of 4.5 mW can be achieved with a pump power of 350 mW, when an electrical signal with a repetition rate of 5 kHz, a peak-to-peak voltage of 30 V and a duration of 4 µs is applied. This work was supported by the Office of Naval Research Global (N62909-18-1-2147).

Paper Details

Date Published: 30 December 2019
PDF: 2 pages
Proc. SPIE 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 1120029 (30 December 2019); doi: 10.1117/12.2539900
Show Author Affiliations
Xinyue Lei, The Univ. of New South Wales (Australia)
Victor Karaganov, Lastek Pty Ltd. (Australia)
Francois Ladouceur, The Univ. of New South Wales (Australia)
Leonardo Silvestri, The Univ. of New South Wales (Australia)
Alex Fuerbach, Macquarie Univ. (Australia)


Published in SPIE Proceedings Vol. 11200:
AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019
Arnan Mitchell; Halina Rubinsztein-Dunlop, Editor(s)

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