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 Earth and Planetary Atmospheres (3222): People
Pin  Chen's Picture
Jet Propulsion Laboratory
M/S 183-301
4800 Oak Grove Drive
Pasadena, CA 91109
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Curriculum Vitae:

Pin Chen

  • B.S. in Chemistry, University of California, Berkeley (1991)
  • Ph.D. in Chemical Physics, California Institute of Technology (1999)

Research Interests
  • Atmosphere/climate/habitability, Stable-Isotope Analysis, and Exoplanet Science
  • Development of instrumentation for stable-isotope analysis of atmospheric molecules using near-infrared diode lasers and cavity-enhanced spectroscopy
  • Kinetic isotope effects in methane photochemistry
  • Astronomical seeing in the stratosphere
  • High-resolution, far-infrared and submillimeter molecular spectroscopy
  • Development of narrow-linewidth, frequency-calibrated terahertz sources based on semiconductor photomixers
  • Balloon-borne remote sensing of stratospheric OH

Professional Experience
  • Jet Propulsion Laboratory, Science Division (2000 - present)
    • Cognizant Engineer, Deep Space Atomic Clock project (2013 - 2015)
    • Research Scientist (2006 - present)
    • Group Supervisor (Acting), Atmospheric Laser Spectroscopy Group (2007)
    • Scientist (2000-2006)
  • California Institute of Technology - Visiting Associate, Division of Chemistry & Chemical Engineering (2007 - 2013)
  • National Institute of Standards and Technology - Research Chemist in the Time and Frequency Division (funded by National Research Council's Postdoctoral Research Associateship Program) (1999 - 2000)

Selected Awards
  • JPL Discovery Award for being the lead for Exoplanets informal meetings that were valuable to formulating the Exoplanets strategic initiative at the Jet Propulsion Laboratory, (2016)
  • JPL Team Award for outstanding contributions to the Deep Space Atomic Clock (DSAC) Environmental Test Team, (2015)
  • JPL Team Award for outstanding contributions to the Deep Space Atomic Clock (DSAC) Flight Clock First Light Team, (2015)
  • JPL Team Award for outstanding contributions to the Deep Space Atomic Clock (DSAC) Ion Trap Tube Team, (2015)
  • JPL Team Bonus Award for outstanding contributions to the Deep Space Atomic Clock (DSAC) Project Preliminary Design Review (PDR) Team, (2013)
  • Invited Seminar, AOGS (Asia Oceania Geosciences Society) 8th Annual Meeting (2011)
  • Invited Lecture, Institute of Astronomy & Astrophysics, Academia Sinica (2011)
  • Invited Seminar IGPP (Institute of Geophysics Planetary Physics), UCLA (2011)
  • Invited Lecture, Planetary Evolution & Habitability course, California Institute of Technology, (2011)
  • Study-program Core Member & invited speaker, Keck Institute for Space Studies, (2009)
  • NASA Certificate of Appreciation in recognition of valuable contribution and outstanding support to the Advanced Technologies (ACT) program and the NASA Earth Science Technology Office, (2009)
  • Invited Lecture, Planetary Evolution & Habitability course, California Institute of Technology, (2009)
  • JPL Team Bonus Award for the successful balloon flight of the Planetscope Precursor Experiment, (2008)
  • Invited Seminar, The Center for Adaptive Optics, (2007)
  • NASA Group Achievement Award for the Molecular Spectroscopy Team (2006)
  • NASA Group Achievement Award for participating in the Aura Microwave Limb Sounder Instrument project (2005)
  • NASA New Investigator Program Award (2002 - 2005)
  • NASA Group Achievement Award for participating in Balloon Observations of the Stratosphere (2004)
  • Invited lectures, Nippon Institute of Technology, Japan (2003)
  • National Research Council's Postdoctoral Research Associateship (1999 - 2000)
  • NASA New Technology Reporting Award for Tunable Terahertz Source Using Near Infrared Diode Lasers (NPO- 20636, 1999)

Selected Publications
  1. Tjoelker, Robert; Prestage, John; Burt, Eric; Chen, Pin; Chong, Yong; Chung, Sang; Diener, William; Ely, Todd; Enzer, Daphna; Mojaradi, Hadi; Okino, Clayton; Pauken, Mike; Robison, David; Swenson, Brad; Tucker, Blake.  “Mercury Ion Clock for a NASA Technology Demonstration Mission,” Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, in press.
  2. Yi, X; Vahala, K; Li, J; Diddams, S; Ycas, G; Plavchan, P; Leifer, S; Sandhu, J; Vasisht, G; Chen, P; Gao, P; Gagne, J; Furlan, E; Bottom, M; Martin, EC; Fitzgerald, MP; Doppmann, G; Beichman, C.  “Demonstration of a near-IR line-referenced electro-optical laser frequency comb for precision radial velocity measurements in astronomy,” Nature Communications, 7,  doi:10.1038/ncomms10436, 2016.
  3. Yung, YL & Chen, P.  “Methane on Mars,” Astrobiol. Outreach 3(125), doi:10.4172/2332-2519.1000125.
  4. Line, MR; Zhang, X; Vasisht, G; Natraj, V; Chen, P; Yung YL. "Information Content of Exoplanetary Transit Spectra: an Initial Look," Astrophys. J., 749(93), doi:10.1088/0004-637X/749/1/93, 2011.
  5. Line, MR; Gautam, V; Chen, P; Angerhausen, D; Yung, YL. "Thermochemistry and Photochemistry in Cooler Hydrogen Dominated Extrasolar Planets: the Case of GJ 436b," Astrophys. J., 738(32), doi:10.1088/0004-637X/738/1/32, 2011.
  6. Swain, MR; Deroo, P; Griffith, CA; Tinetti, G; Thatte, A, Vasisht, G; Chen, P; Bouwman, J; Crossfield, IJ; Angerhausen, D; Afonso, C; Henning, T. "A ground-based near-infrared emission spectrum of the exoplanet HD189733b," Nature, 463, doi: 10.1038, 2010.
  7. Swain, MR; Tinetti, G; Vasisht, G; Deroo, P; Griffith, C; Bouwman, J; Chen, Pin; Yung, Y; Burrows, A. Brown, LR; Matthews, J; Rowe, JF; Kuschnig, R; Angerhausen, D. "Water, methane, and carbon dioxide present in the dayside spectrum of the exoplanet HD 209458b," Astrophys. J., 704: 1616-1621, 2009.
  8. Swain, MR; Vasisht, G; Tinetti, G; Bouwman, J; Chen, Pin; Yung, Y; Deming, D; Deroo, P. "Molecular Signatures in the Near Infrared Dayside Spectrum of HD 189733b," Astrophys. J. Lett., 690: L114-L117, 2009.
  9. Chen, P; Pearson, JC; Pickett, HM; Matsuura, S; Blake, GA. "Measurements of 14NH3 in the v2 = 1 state by a solid-state, photomixing, THz spectrometer and a simultaneous analysis of the microwave, terahertz, and infrared transitioins between the ground and v2 inversion-rotation levels," J. Mol. Spectrosc., 236(1): 116-126, 2006.
  10. Trudeau, ME; Chen, P; de Andrade Garcia, G.; Hollberg, LW; Tans, PP. "Stable isotopic analysis of atmospheric methane by infrared spectroscopy using diode laser difference frequency generation," Appl. Optics 45 (17), 2006.
  11. Chen, P; Robichaud, D; Okumura, M. "Application of cavity enhanced, optical heterodyne spectroscopy to tropospheric isotope chemistry." Abstr. Pap. Am. Chem. Soc., 229: U722-U722 131-Phys. Part 2, March 13, 2005.
  12. Kleiner, I; Tarrago, G; Cottaz, C; Sagui, L; Brown, LR; Poynter, RL; Pickett, HM; Chen, P; Pearson, JC; Sams, RL; Blake, GA; Matsuura, S; Nemtchinov, V; Varanasi, P; Fusina, L; Di Lonardo, G. "NH3 and PH3 line parameters: the 2000 HITRAN update and new results." J. Quant. Spectrosc. Radiat. Transf., 82(1-4): 293-312, 2003.
  13. Chen, P; Pearson, JC; Pickett, HM; Matsuura, S; Blake, GA. "Submillimeter-wave measurements and analysis of the ground and v2 = 1 states of water," Astrophys. J. Suppl. Ser., 128(1): 371-385, 2000.
  14. Chen, P; Pearson, JC; Pickett, HM; Matsuura, S; Blake, GA. "A Three-Diode-Laser, Terahertz-Difference-Frequency Synthesizer and Its Applications toward Far-Infrared Spectroscopy of Ammonia and Water," in L. Hollberg and R. J. Lang (Eds.), Trends in Optics and Photonics: Advanced Semiconductor Lasers and Their Applications vol. 31, pp. 103-105, Washington, D.C., Optical Society of America, 2000.
  15. Matsuura, S; Chen, P; Blake, GA; Pearson, JC; Pickett, HM. "A tunable cavity-locked diode laser source for terahertz photomixing," IEEE Trans. Microw. Theory Tech., 48(3): 380-387, 2000.
  16. Matsuura, S; Chen, P; Blake, GA; Pearson, JC; Pickett, HM. "Simultaneous amplification of terahertz difference frequencies by an injection-seeded semiconductor laser amplifier at 850 nm," Int. J. Infrared Millimeter Waves, 19(6): 849-858, 1998.
  17. Chen, P; Blake, GA; Gaidis, MC; Brown, ER; McIntosh, KA; Chou, SY; Nathan, MI; Wiliamson, F. "Spectroscopic applications and frequency locking of THz photomixing with distributed-Bragg-reflector diode lasers in low-temperature-grown GaAs," Appl. Phys. Lett., 71(12): 1601-1603, 1997.

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