Journal
OPTICS EXPRESS
Volume 29, Issue 22, Pages 36453-36459Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.443931
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Funding
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China [2021ZR119, 2021ZZ118]
- Scientific Instrument Developing Project of the Chinese Academy of Sciences [YZLY202001]
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Passively Q-switched ErNb:LuAl3(BO3)(4) pulse microlasers were investigated at a low repetition frequency, leading to the realization of a stable 1522 nm pulse microlaser with high peak output power and narrow duration, suitable for use in portable laser rangefinders.
Passively Q-switched ErNb:LuAl3(BO3)(4) pulse microlasers were investigated at a low repetition frequency of 10-200 Hz. End-pumped by a 975.6 nm quasi-continuous-wave laser diode with pump pulse width of 0.5 ms and period of 10 ms, a stable 1522 nm pulse microlaser with single pulse energy of 48.3 mu J, duration of 1.9 ns, repetition frequency of 100 Hz, peak output power of 25.4 kW and beam quality factor less than 1.2 was realized at a pump beam waist diameter of 260 mu m. This eye-safe passively Q-switched pulse microlaser with high peak output power and narrow duration can be used in the portable laser rangefinder. (C) 2021 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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