Zobrazeno 1 - 10
of 117
pro vyhledávání: '"Smith, Arlee V."'
We report new measurements of the thermal expansion and thermo-optic coefficients of RbTiOPO$_4$ (RTP) and KTiOPO$_4$ (KTP) crystals over the temperature range 300-350 K. For RTP/KTP our coefficients of linear thermal expansion at 305 K are: $\alpha_
Externí odkaz:
http://arxiv.org/abs/1607.03964
Autor:
Smith, Arlee V., Smith, Jesse J.
We use a detailed numerical model of stimulated thermal Rayleigh scattering to compute mode instability thresholds in Tm$^{3+}$-doped fiber amplifiers. The fiber amplifies 2040 nm light using a 790 nm pump. The cross-relaxation process is strong, per
Externí odkaz:
http://arxiv.org/abs/1511.02266
Autor:
Smith, Jesse J., Smith, Arlee V.
We show how signal linewidth affects the gain of stimulated thermal Rayleigh scattering (STRS) which is responsible for mode instability in fiber amplifiers. The gain is reduced if the coherence time of the signal is less than the group velocity indu
Externí odkaz:
http://arxiv.org/abs/1405.6239
Autor:
Smith, Arlee V., Smith, Jesse J.
We estimate the Stokes wave starting power for stimulated thermal Rayleigh scattering (STRS) produced by thermal fluctuations in the fiber core that transiently alter the refractive index profile in the core. A transverse temperature gradient creates
Externí odkaz:
http://arxiv.org/abs/1306.2673
Autor:
Smith, Arlee V., Smith, Jesse J.
We show by numerical modeling that saturation of the population inversion reduces the stimulated thermal Rayleigh gain relative to the laser gain in large mode area fiber amplifiers. We show how to exploit this effect to raise mode instability thresh
Externí odkaz:
http://arxiv.org/abs/1304.1064
Autor:
Smith, Arlee V., Smith, Jesse J.
We numerically model fiber amplifier performance near and slightly above the mode instability threshold. These results are compared with recently published experimental work. Using weakly amplitude modulated pump light we obtain qualitative agreement
Externí odkaz:
http://arxiv.org/abs/1301.4278
Autor:
Smith, Arlee V., Smith, Jesse J.
Using a numerical model we study the frequency dependence of mode coupling gain due to stimulated thermal Rayleigh scattering in step index, Yb doped, fiber amplifiers. The frequency at the gain peak is shown to vary with core size, doping size, popu
Externí odkaz:
http://arxiv.org/abs/1301.4277
Autor:
Smith, Arlee V., Smith, Jesse J.
We show by detailed numerical modeling that stimulated thermal Rayleigh scattering can account for the modal instability observed in high power fiber amplifiers. Our model illustrates how the instability threshold power can be maximized by eliminatin
Externí odkaz:
http://arxiv.org/abs/1301.3489
Autor:
Smith, Arlee V., Smith, Jesse J.
Publikováno v:
Optics Express, Vol. 21, Issue 3, pp. 2606-2623 (2013)
We present a detailed description of the methods used in our model of mode instability in high-power, rare earth-doped, large-mode-area fiber amplifiers. Our model assumes steady-periodic behavior, so it is appropriate to operation after turn on tran
Externí odkaz:
http://arxiv.org/abs/1301.1296
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.