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Abstract:Many authors have written in the past regarding the exact causes of breakage and disruption in a high pressure homogeniser, but there has been little agreement. This paper investigates some of the most likely causes of the rupture of the walls of unicellular organisms and offers suggestions obtained from various papers and work carried out.

Abstract-The authors demonstrate the generation of nearly transform-limited optical pulses that are wavelength tunable over almost 50 nm. The wide tuning range is obtained by self-seeding a gain-switched source containing two Fabry-Perot lasers, and employing a widely tunable Bragg grating in the feedback loop. The generated pulses exhibit Side-mode suppression ratios of 50 dB above and across the full tuning range.Index Terms-Optical fiber communications, optical pulse generation, self-seeding, semiconductor laser, wavelength tunable.

Index Terms-External injection, optical fiber communications, optical pulse generation, semiconductor laser, wavelength tunable source.