OPTICAL SCIENCES DIVISION Division Chair, Barry Walker, USA, Chair Elect TBD

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OPTICAL SCIENCES DIVISIONDivision Chair, Barry
Walker, USA, Chair Elect TBD
A community interested in the optical science,
physics, and engineering behind the fundamental
interactions of light with matter and
measurements of the environment using light. It
is composed of four technical groups. HIGH FIELD
SHORT WAVELENGTH SOURCESChair Chunlei Guo,
USA, Vice Chair Koichi Yamakawa JAPAN ULTRAFAST
OPTICAL PHENOMENAChair David Reitze, USA, Vice
Chair Andrea Cavalleri, UK APPLIED SPECTROSCOPY
AND ENVIRONMENTAL SENSINGChair Azer Yalin, USA,
Vice Chair TBD OCEAN OPTICS AND
SPECTROSCOPYChair TBD, Vice Chair TBD
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High Field / Short Wavelength Technical Group

• X-Ray, XUV Generation Relativistic Electrons
  from Laser Matter Interactions
• Atoms, molecules, and dynamics in strong fields
• Closely related to Ultrafast Optics, Ultrafast
  Phenomena
• Attosecond sciences and coherent control

HIGH FIELD/SHORT WAVE
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Hot Topic Attosecond Pulses
Positive chirp by propagationin negative GVD
medium (200nm Al film)
HIGH FIELD/SHORT WAVE
Atto pulse duration 480 as ? 280 as ?170as
With 1 film With 2 films With 3 films
constant te ? linear spectral phase
R. Lopez-Martens et al, PRL 94, 033001 (2005)
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Hot Topics Generation and Control of XUV
HIGH FIELD/SHORT WAVE
Two pulses delayed by 1.3 fs
XUV Intensity 35eV Pulses
-1 0 1
2 time (femtoseconds)
E. Constant, I. J. Sola, E. Mével, A. Zaïr,L.
Elouga, V. Strelkov, R. Lopez-Martens, K. Varjú,
J. Mauritsson, P. Johnsson, A. LHuillier, L.
Poletto, P. Villoresi, E. Benedetti, J-P. Caumes,
S. Stagira, C. Vozzi, G. Sansone and M. Nisoli
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Hot Topic Range

• Development and application of high intensity
  lasers
• Novel XUV and x-ray sources.
• Physics of high intensity light interactions with
  matter
• Laser Plasma Interactions
• X-ray free electron lasers

HIGH FIELD/SHORT WAVE
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Meetings and Technical Sessions

• Topical Meetings
• Paired with Ultrafast Optics
• Healthy meeting, capable of continuing on its
  own
• FiO
• Comparable with Metamaterials in FiO/LS invited
  and
• contributed for off years of HFSW topical

HIGH FIELD/SHORT WAVE
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Ultrafast Optical Phenomena Technical Group

• Ultra-short pulse generation
• Time resolution of dynamics with vibrational
  period resolution or faster, i.e. measurement of
  electron dynamics.
• Measurements of reactions in chemical and
  biological systems
• Time resolved x-ray diffraction and absorption

ULTRAFAST OPTICS
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Hot Topics in Ultrafast Pulse Sources

• Ever shorter pulse durations from lasers for
  probing dynamics
• Few-Cycle Pulses Directly from a Laser, Franz X.
  Kartner, Uwe Morgner, Thomas Schibli, Richard
  Ell, Hermann A. Haus, James G. Fujimoto, and
  Erich P. Ippen, Few-Cycle Laser Pulse Generation
  and Its Applications,Topics Appl. Phys. 95,
  73136 (2004) Springer-Verlag Berlin Heidelberg

ULTRAFAST OPTICS
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Hot Topics in Ultrafast Pulse Sources
Hauri CP, Guandalini A, Eckle P, Kornelis W,
Biegert J, Keller U , OPTICS EXPRESS 13 (19)
7541-7547 SEP 19 2005

• Continuum generation of single cycle pulses
• Uses compact filament apparatus to increase
  bandwidth of laser pulses without significantly
  changing the energy of the pulse
• Pulses as short as two optical cycles can be
  generated!

ULTRAFAST OPTICS
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Ultrafast Topical Meetings

• One of the most successful topical meetings with
  exhibit

ULTRAFAST OPTICS
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Applied Spectroscopy Environmental Sensing
Technical Group

• Environmental/Atmosphere/Industrial including
  Airborne Lidar Applications to Ozone, Water
  Vapor, Aerosols and Clouds
• Advances in Laser Absorption Sensors for
  Combustion and Propulsion
• Security visible and UV spectroscopy of anthrax,
  cavity ring-down spectroscopy for explosives
• Laser Induced Breakdown Spectroscopy (LIBS)

APPLIED SPEC. ENV. SENSING
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Hot Topics - Security

• Innovative use of Laser Diagnostics for Security
• Example Detection of Explosives by Cavity
  Ring-Down Spectroscopy (Paul Dagdigian, Johns
  Hopkins Univ.)

APPLIED SPEC. ENV. SENSING
Absorption spectra (solutions in methanol) of
explosive-related compounds.
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Hot Topic Laser Induced Breakdown Spectroscopy
APPLIED SPEC. ENV. SENSING
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Hot Topics Increased IR Source Use

• Accessing IR regions with new laser sources
• Example (LACSEA 2006)

APPLIED SPEC. ENV. SENSING
Formaldehyde spectrum
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Meetings and Technical Sessions

• Topical Meetings
• Established history of successful Topicals
• Eleventh Topical Meeting on Laser Applications
  to Chemical, Security, and Environmental Analysis
• (LACSEA) scheduled for Feb 2008
• Program Chairs Dennis Killinger, Tom Settersten
  and Volker EbertGeneral Chairs Andreas
  Dreizler,TU Darmstadt, Germany Alan Fried,
  Natl. Ctr. For Atmospheric Res., USA James
  Gord, AFRL, USA

APPLIED SPEC. ENV. SENSING
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Future Directions

• POSSIBLE NEW TECHNICAL GROUPS
• Ocean Optics
• Global Warming
• Monitoring Marine Life
• Pollution Sources and Tracking
• Impact of Development on Ocean Biology