نتایج جستجو برای: diode amplifier
تعداد نتایج: 41267 فیلتر نتایج به سال:
High average power, all-fiber integrated, broadband supercontinuum (SC) sources are demonstrated. Architecture for SC generation using amplified picosecond/nanosecond laser diode (LD) pulses followed by modulation instability (MI) induced pulse breakup is presented and used to demonstrate SC sources from the mid-IR to the visible wavelengths. In addition to the simplicity in implementation, thi...
Energy harvesting systems suffer variable power supply from time to time. Ultra low power supply or even a very short period without power supply may cause very serious consequences. In the case of system memories, important data may be lost. A gated diode based DRAM can be a potential memory solution as a dynamic backup storage to meet these challenges. However, before exploring this solution,...
A compact frequency-doubled diode-pumped Nd:YAG master-oscillator power-amplifier laser system with programmable microsecond pulse length has been developed. Analog shaping of the output from a single-frequency continuous-wave oscillator, and subsequent amplification, allowed generation rectangular pulses lengths on order fluorescence lifetime. Temporally flat-top 1064 nm light 520 mJ energy, 2...
A high infrared-to-green conversion efficiency laser is demonstrated by extra-cavity frequency-doubling of a master oscillator power amplifier (MOPA) laser. The diode-side-pumped acousto-optic Q-switched Nd:YAG at 1064 nm with an average output 38.2 W and beam quality factor M2 = 1.1...
Recent experimental results have reported the observation of beam self-cleaning or, more generally, nonlinear reshaping in active multimode fibers. In this work, we present a numerical analysis these processes by considering ideal case diode-pumped signal amplifier made graded-index fiber with uniform Yb doping. Simulations confirm that cleaning may take place even amplifying fibers, absence po...
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