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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 8 — Apr. 17, 2006
  • pp: 3688–3693

Observation of non-exponential absorption of ultra-fast pulses in water

Anna E. Fox and Ulf Österberg  »View Author Affiliations


Optics Express, Vol. 14, Issue 8, pp. 3688-3693 (2006)
http://dx.doi.org/10.1364/OE.14.003688


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Abstract

We observe non-exponential absorption as a function of path length for pulses propagating in pure water. Two types of pulses with differing time duration, bandwidth, and repetition rate were compared with simulated absorption predictions. Deviations from exponential behaviour occurred when the launched pulse had a temporal width of 60fs and a repetition rate of 1 kHz. Under these conditions we observe more than 2 orders of magnitude less absorption after propagation through 6 m of water compared to Beer’s law prediction. No significant deviation was observed for launched pulses of varying bandwidth with temporal widths of 900fs and repetition rates of 80MHz.

© 2006 Optical Society of America

OCIS Codes
(010.7340) Atmospheric and oceanic optics : Water
(320.7120) Ultrafast optics : Ultrafast phenomena

ToC Category:
Ultrafast Optics

History
Original Manuscript: February 3, 2006
Revised Manuscript: March 30, 2006
Manuscript Accepted: April 4, 2006
Published: April 17, 2006

Citation
Anna E. Fox and Ulf Österberg, "Observation of non-exponential absorption of ultra-fast pulses in water," Opt. Express 14, 3688-3693 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-8-3688


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