Essays about: "atomic clocks"

Found 5 essays containing the words atomic clocks.

  1. 1. Wireless wave propagation in city street canyons

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Andrés Felipe Garcia Albarracin; [2017]
    Keywords : Channel modeling; Channel sounding; Local scattering function; Ray tracing.; Technology and Engineering;

    Abstract : This project aims to determine the characteristics of a wireless communication channel in city-street-canyon scenarios. The channel of a typical city intersection is modeled with a ray tracer and measured with a channel sounder. Then, the results of both tools are compared in terms of the local scattering function. READ MORE

  3. 2. Optical Fiber Phase Noise Cancellation for Slow Light Crystal Cavity Locking

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Atomfysik

    Author : Mohammad Tasnimul Haque; [2016]
    Keywords : Optical Fiber; Phase Noise; Slow Light; Stabilisation; Quantum Information; Quantum Optics; Optical Clocks; Physics and Astronomy;

    Abstract : Recent developments in the field of optical clocks and quantum information have fueled the necessity for both fiber phase noise cancellation and laser stabilisation. The Quantum Information group at Lund University is conducting research on quantum computation experiments based on rare earth ion doped crystals and also application of slow light effects induced by spectral hole burning in these rare earth ion doped crystals. READ MORE

  4. 3. Design and implementation of robotic end-effectors for a prototype precision assembly system

    University essay from Högskolan i Halmstad/CAISR Centrum för tillämpade intelligenta system (IS-lab)

    Author : Sebastian Schöndorfer; [2016]
    Keywords : Smart Factory; Autocalibration; AAA; Multi Agent Factory;

    Abstract : Manufacturers are facing increasing pressure to reduce the development costs and deployment times for automated assembly systems. This is especially true for a variety of precision mechatronic products. To meet new and changing market needs, the difficulties of integrating their systems must be significantly reduced. READ MORE

  5. 4. Ultra-stable frequency transfer using optical fibers

    University essay from Lunds universitet/Atomfysik; Lunds universitet/Fysiska institutionen

    Author : Simon Preutz; [2016]
    Keywords : Optics; optical fibers; stability; time; optical clocks; control.; Technology and Engineering;

    Abstract : A new era of precise time measurement came with the atomic clock. The technology is vital to navigations systems like GPS and to accurate physical measurements. READ MORE

  6. 5. Characterization of a Zeeman Slower Designed for a 87 Sr Optical Clock

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Synkrotronljusfysik

    Author : Jonas Olsson; [2015]
    Keywords : metrology; time; frequency; atomic clock; optical clock; strontium; frequency comb; zeeman slower; arduino; Physics and Astronomy;

    Abstract : Optical clocks will potentially become the new frequency standard for the SI-definition of the second. Many national metrology institutes around the world have already implemented different versions of such clocks and others are in process of doing so. At SP Technical Research Institute of Sweden, this process has recently begun. READ MORE