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DTSTART:20201101T020000
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DTSTART:20200308T020000
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BEGIN:VEVENT
UID:calendar.400291.field_event_date.0@www.wright.edu
DTSTAMP:20260219T061513Z
CREATED:20200904T182838Z
DESCRIPTION:Dr. Henry O. EverittU.S. Army Combat Capabilities Development C
 ommand Aviation and Missile Center\, Redstone Arsenal\, AL 35898\, USA.Abs
 tractThe terahertz region of the electromagnetic spectrum has been the lea
 st utilized owing to inadequacies of available sources. We introduce a com
 pact\, widely frequency-tunable\, extremely bright source of terahertz rad
 iation: a gas-phase molecular laser based on rotational population inversi
 ons optically pumped by a quantum cascade laser. By identifying the essent
 ial parameters that determine the suitability of a molecule for a terahert
 z laser\, almost any rotational transition of almost any molecular gas can
  be made to lase. Nitrous oxide is used to illustrate the broad tunability
  over 37 lines spanning 0.251 to 0.955 terahertz\, each with kilohertz lin
 ewidths. Our analysis shows that laser lines spanning more than 1 terahert
 z with powers greater than 1 milliwatt are possible from many molecular ga
 ses pumped by quantum cascade lasers. [Science 366\, 856-860 (2019)] WebEx
  Meeting linkMeeting number: 172 516 3608\; Password: Pg9JayEqE73 
DTSTART;TZID=America/New_York:20200909T132500
DTEND;TZID=America/New_York:20200909T142500
LAST-MODIFIED:20200904T195258Z
LOCATION:WebEx
SUMMARY:Physics Seminar: Widely Tunable Compact Terahertz Gas Lasers
URL;TYPE=URI:/events/physics-seminar-widely-tunable-c
 ompact-terahertz-gas-lasers
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