Miniature Laser System for Cs Atom Interferometer

The objectives of Phase II of this SBIR project are to design, assemble, test and demonstrate a complete fiber based laser system satisfying the specified requirements of NASArsquo;s proposed Space-based Quantum Gravity Gradiometer.nbsp; The laser systems will be comprised of two frequency stabilized ultra-narrow linewidth lasers, combined with an optical amplifier in one package, with a PM fiber output.nbsp; The fiber coupled laser system will have the following performance parameters: Linewidth lt;1 kHz Wavelength corresponds to Cs D lines (852 nm and 894 nm) 300 mW output power Volume of optical module under 500 c.c. (not including driving electronics) Total power consumption for the entire system under 10 W Modulation frequency up to 10 MHz A roadmap to achieving system lifetime over 50,000 hours. Within the scope of the Phase II effort, OEwaves will: Develop a physical model and design the optimal optical and mechanical package for the laser system prototype. Perform extensive analytical and numerical study of the proposed design including the thermos-opto-mechanical evaluation of the entire system. Fabricate resonators with optimal morphology and optimal host material to achieve the target performance for linewidth, and for frequency stability greater than 10-14. Prepare Phase II Final Report. Delivernbsp;a complete system for a Cs based QGG, meeting the specified performance parameters. The properties of the system will be measured and validated by a NASA customer. nbsp; nbsp;