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Experimental Laboratory for Instrument Development in Astrophysics

Experimental Laboratory for Instrument Development in Astrophysics. Jean-Pierre Véran Herzberg Institute of Astrophysics (DAO) National Research Council of Canada Victoria, BC. Participants. University of Victoria Physics, astronomy and mechanical engineering department

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Experimental Laboratory for Instrument Development in Astrophysics

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  1. Experimental Laboratory for Instrument Development in Astrophysics Jean-Pierre Véran Herzberg Institute of Astrophysics (DAO) National Research Council of Canada Victoria, BC

  2. Participants • University of Victoria • Physics, astronomy and mechanical engineering department • Simon Fraser University • National Research Council of Canada (HIA) • DAO---scientists and engineers to work on AO and CE modules • DRAO---LAR group to work on AR Module • Industry: • ASA---1 engineer for 1 year on AO and AR modules • AGO Environmental---winches for AR module • EHR Optical Systems---optical design for AO test-bed • Adaptive Optics Associates---principal supplier for AO module • UVic grad students, co-op students and postdocs • Other interested people

  3. ELIDA - Background • CFI (Canada Foundation for Innovation) grant • Collaboration between: • University of Victoria Mechanical Engineering • University of Victoria Physics and Astronomy • Herzberg Institute of Astrophysics / National Research Council • Simon Fraser University Applied Sciences • Industry • Three areas of research • Adaptive optics laboratory • Cryogenic/high vacuum laboratory • Airborne receiver / LAR prototype

  4. Adaptive Optics Laboratory • P.I.: Dr. Inna Sharf, Uvic mechanical engineering • Goals: • Build an MCAO laboratory bench including turbulence and source generators. • Demonstrate MCAO concept. • Assess performance of MCAO. • Develop and test new control algorithm. • Investigate miniature AO (MEMs). • Use the bench to educate students. • Duration: 2 years (2001-2002)

  5. Budget AR Module AO Module CE Module cash 440K 792K 191K cash + in-kind 1.08M 1.16M 236K

  6. Natural Star Light Sources Science Light Source Turbulence Simulator 4 Laser beacons Upper DM PC’s and control system Lower DM Slow WFS or a fast- reading CCD as science camera Laser Guide Stars WFS’s Natural Guide Star cameras for tip/tilt sensing 1 2 3 4

  7. Main equipment • 2 MEMs DMs (OKO or Boston Micro Machines) • 1 slow WFS (mini-Wavescope from AOA) • 2 fast WFS (~ 700 Hz, AOA) • Components for 2 fast WFS (AOA, integrated @ UVic) • Control computer and software (AOA) • Updated and modified in house • Tip-tilt mirror (vendor TBD) • Turbulence generator (developed at Uvic) • LGS / NGS source generator (developed at Uvic / HIA) • Auxillary optics

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