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In this paper, we propose, and simulate, a novel approach for improved mid-IR detection, by cascaded down and upconversion inside a broadband ring laser. Thereby the near-IR laser spectrum assumes the same power and phase (or temporal) distribution as the weak mid-IR seed light injected for detection. In order to demonstrate the feasibility of the scheme, we have established a numerical model based...
Here we propose a novel time-domain method for the real-time characterization and analysis of scatterings samples, which separates out different sample properties, such as the particle size distribution and packing fraction (the density of scatterers), and absorption. The method is based on measuring the temporal shape of ultrashort light pulses scattered through the sample. By using a temporal random...
We report on holographic injection locking using a novel photorefractive polymer introducing a new method to improve the beam quality of a broad area laser diode.
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