100 ps 360 mJ 200 Hz Nd:YAG laser for the lunar laser ranging

Balmashnov, Roman; Katsev, Yu. V.; Kornev, A. F.; Kuchma, I. G.; Oborotov, D. O.

doi:10.1109/lo.2016.7549806

Cited by 5 publications

(2 citation statements)

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“…High-power, high-repetition-rate pulse lasers with near diffraction-limited beam quality have made significant contributions in many applications, such as a s-pulse generation [1], material processing [2][3][4][5], and laser ranging [6][7][8]. The realtime monitoring of laser parameters in the application process is indispensable.…”

Section: Introductionmentioning

confidence: 99%

Laser-induced damage in a silicon-based photodiode by MHz picosecond laser

Wang

et al. 2020

Laser Phys.

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Study of the damage characteristics of silicon-based photodetectors is of great significance in improv ing application performance, but few studies of laser-induced damage have been undertaken on photodetectors irradiated by hundred-p s fiber lasers. In this work, we demonstrate an all-fiber ps-pulsed laser system which outputs a pulse width of 226.5 ps and an average power of 20 W at 2.4 MHz repetition rate, with high beam quality and pulse stability. Experiments use this fiber amplifier to irradiate a silicon-based positive-intrinsic-negative (PIN) photodiode. The changes in detector performance and surface morphology are confirmed by systematic experiments o n the laser-irradiated detector. The results show that detection performance was sensitive to laser energy, and the failure damage threshold was about 864 kW cm −2 . Based on hydrodynamics theory, we simulated the laser-induced plasma density distribution in a PIN photodiode and studied the thermal and plasma damage mechanisms in the PIN photodiode.

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Section: Introductionmentioning

confidence: 99%

Laser-induced damage in a silicon-based photodiode by MHz picosecond laser

Wang

et al. 2020

Laser Phys.

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“…The laser‐induced damage threshold fluence is proportional to the square root of the pulse duration for the range of 40–1 ns, and is nearly constant for the range of 10–40 ps [9]. In order to avoid optical damage in a laser operating with 50–100 ps pulse duration, the fluence should not exceed 1 J/cm 2 [10].…”

Section: Introductionmentioning

confidence: 99%

High‐energy high‐power near‐diffraction‐limited 1064 and 532 nm picosecond Nd:YAG laser

Kornev¹,

Balmashnov

Viktorov

et al. 2020

Electron. lett.

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The authors describe a diode-pumped Nd:YAG laser that produces 920 mJ output energy pulses with a pulse duration of 76 ps at 200 Hz pulse repetition rate. Second-harmonic generation with a pulse energy of 730 mJ and pulse duration of 63 ps was obtained by using LiB 3 O 5 crystal with II-type phase matching. The output beam divergence was about 1.5 × DL (the diffraction limit) and 1.9 × DL for 1064 and 532 nm wavelengths, respectively.

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