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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 12 — Jun. 15, 2005
  • pp: 1545–1547

Highly sensitive differential tomographic technique for real-time ultrashort pulse characterization

Inuk Kang and Christophe Dorrer  »View Author Affiliations


Optics Letters, Vol. 30, Issue 12, pp. 1545-1547 (2005)
http://dx.doi.org/10.1364/OL.30.001545


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Abstract

We demonstrate a highly sensitive real-time optical pulse characterization technique based on differential chronocyclic tomography. The spectral intensity and phase of the pulse under test are reconstructed analytically from two experimental traces measured simultaneously in the spectral domain. The high sensitivity and accuracy are made possible by lock-in detection of the differential spectra in the simplified chronocyclic tomography. An accuracy of ∼0.04 rad of spectral phase recovery is achieved with a 10-Hz refresh rate and 10-µW sensitivity. We also show that the measurement technique is applicable to pulses as short as ∼100 fs.

© 2005 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.7100) Ultrafast optics : Ultrafast measurements

Citation
Inuk Kang and Christophe Dorrer, "Highly sensitive differential tomographic technique for real-time ultrashort pulse characterization," Opt. Lett. 30, 1545-1547 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-12-1545

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