The application of the sensor optical fibers in the areas of scientific instrumentation and industrial instrumentation is very attractive due to its numerous advantages. In the industry of civil engineering for example, quasi-distributed sensors made with optical fiber are used for reliable strain and temperature measurements. Here, a quasi-distributed sensor in the frequency domain is discusse...

We have measured the power spectrum of the intensity Auctuations of light transmitted by a Fabry-Perot interferometer when the input field is the real Gaussian field. The real Gaussian field is a field characterized by real, random (Gaussian) amplitude Auctuations. The bandwidth of the real Gaussian field was varied, taking on values less than that of the interferometer, as well as greater. Com...

The ATTA project has been created in order to laser cool and count single atoms of low level krypton contamination in xenon, motivated by the XENON Dark Matter program. An important component of the ATTA system is the laser, and its linewidth must be smaller than that of the atomic transition of the krypton atom to be trapped. An experiment was developed in order to measure this linewidth. A dr...