نتایج جستجو برای: laser operation
تعداد نتایج: 390570 فیلتر نتایج به سال:
Compact femtosecond laser operation of Yb:Gd(2)SiO(5) (Yb:GSO) crystal was demonstrated under high-brightness diode-end-pumping. A semiconductor saturable absorption mirror was used to start passive mode-locking. Stable mode-locking could be realized near the emission bands around 1031, 1048, and 1088 nm, respectively. The mode-locked Yb:GSO laser could be tuned from one stable mode-locking ban...
We report a prototype of high-speed real-time physical random bit generator based on a chaotic laser. The chaotic laser consists of a semiconductor laser with optical feedback in fiber external cavity configuration. The chaotic laser intensity signal is quantized into binary stream by differential comparison which makes the amplitude distribution symmetric with respect to zero mean value. An ex...
The authors describe a straightforward experimental technique for measuring the facet temperature of a semiconductor laser under high-power operation by analyzing the laser emission itself. By applying this technique to 1-mm-long 980-nm lasers with 6and 9m-wide tapers, they measure a large increase in facet temperature under both continuous wave (CW) and pulsed operation. Under CW operation, th...
We report the development of ring-cavity tunable fiber laser based on tunable fiber Bragg gratings integrated optical circulator. The tunable laser, operates in the C band, has laser linewidth, power variation and tuning range of 0.015 nm, ±0.5 dB and 31.0 nm, respectively. As 40 mW of pump power is used, the ring-cavity tunable laser has a side mode suppression ratio of 60 dB and power convers...
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