OSETI<br />Optical Search for Extra-Terrestrial Intelligence<br />Kristina Krylova(University at Buffalo – SUNY)<br />REU ...
Timeline<br />Nationwide OSETI efforts<br />Varieties of detector setups<br />Night Sky Background simulation<br />What’s ...
1959 – Giuseppe Cocconi and Philip 	  	    	    Morrison: interstellar communication 	    via radio waves<br />1960 – Theo...
Columbus Observatory, 1993<br />Harvard, 1998<br />Princeton, 1999<br />UC Berkley, 1999<br />Lick Observatory, 2000<br />...
<ul><li>1.40m by 1.05m Fresnel lenses
≈1.5 inch diameter PMTs</li></ul>Data recording every 4 nanoseconds<br />5/12<br />Elementary Detector<br />
9 elementary detectors = 1 mega detector<br />Threshold set on mega detector to lower background<br />Lower threshold:<br ...
Double Mega Detector<br />7/12<br />
Quad Mega Detector<br />8/12<br />
9/12<br />Night Sky Background Simulation<br />
Build and install the detectors<br />Start taking data<br />10/12<br />What’s next?<br />
Quad mega detector better eliminates 		background thus more sensitive to 	extraterrestrial signal<br />Quad is twice as ex...
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Krystina Krylova

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Optical Search for Extraterrestrial Intelligence

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  • High frequency radio wavesHughes Research Laboratory in Californiapaper by Robert Schwartz and Charles Townes People still continued to use radio waves for several decades though until laser technology has been improved October 19, 1998 OSETI at Harvard
  • Stuart Kingsley’s Columbus in Bexley, OH near Columbus which is 2 and a half hours south-west of hereLick at the University of California
  • Krystina Krylova

    1. 1. OSETI<br />Optical Search for Extra-Terrestrial Intelligence<br />Kristina Krylova(University at Buffalo – SUNY)<br />REU at Case Western Reserve University<br />27 July, 2010<br />
    2. 2. Timeline<br />Nationwide OSETI efforts<br />Varieties of detector setups<br />Night Sky Background simulation<br />What’s next?<br />Outline<br />2/12<br />
    3. 3. 1959 – Giuseppe Cocconi and Philip Morrison: interstellar communication via radio waves<br />1960 – Theodore Maiman: first laser in Hughes Research Laboratory<br />1961 – Robert Schwartz and Charles Townes: paper suggesting use of laser<br />1993 – Stuart Kingsley: optical SETI in the US<br />Timeline<br />3/12<br />
    4. 4. Columbus Observatory, 1993<br />Harvard, 1998<br />Princeton, 1999<br />UC Berkley, 1999<br />Lick Observatory, 2000<br />Case Western Reserve, 2007<br />OSETI groups<br />4/12<br />
    5. 5. <ul><li>1.40m by 1.05m Fresnel lenses
    6. 6. ≈1.5 inch diameter PMTs</li></ul>Data recording every 4 nanoseconds<br />5/12<br />Elementary Detector<br />
    7. 7. 9 elementary detectors = 1 mega detector<br />Threshold set on mega detector to lower background<br />Lower threshold:<br />more background vs. greater sensitivity<br />BAD GOOD<br />6/12<br />Mega Detector Facts<br />
    8. 8. Double Mega Detector<br />7/12<br />
    9. 9. Quad Mega Detector<br />8/12<br />
    10. 10. 9/12<br />Night Sky Background Simulation<br />
    11. 11. Build and install the detectors<br />Start taking data<br />10/12<br />What’s next?<br />
    12. 12. Quad mega detector better eliminates background thus more sensitive to extraterrestrial signal<br />Quad is twice as expensive as double<br />Final detector design will depend on funding<br />11/12<br />Summary<br />
    13. 13. Thank you for being here!kkrylova@buffalo.edu<br />12/12<br />

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