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Optics Letters

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  • Vol. 22, Iss. 19 — Oct. 1, 1997
  • pp: 1488–1490

Broadband femtosecond transient infrared spectroscopy using a 256 x 256 element indium antimonide focal-plane detector

S. M. Arrivo, V. D. Kleiman, T. P. Dougherty, and E. J. Heilweil  »View Author Affiliations


Optics Letters, Vol. 22, Issue 19, pp. 1488-1490 (1997)
http://dx.doi.org/10.1364/OL.22.001488


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Abstract

Application and characterization of large-format IR focal-plane arrays as detectors for ultrafast, high-resolution IR spectroscopy are discussed. We also present generation of broadband IR probe–reference pulses by use of collinear non-phase-matched geometry and shot-to-shot dual-track normalization to obtain transient spectra from broadly absorbing hydrogen-bonded systems. As much as 400-cm-1-wide coverage with 15-cm-1 FWHM spectral resolution and ±6.4 × 10-4(ΔOD = 3 × 10-4) baseline standard deviation (±1σs) is demonstrated near 2.9 µm.

© 1997 Optical Society of America

OCIS Codes
(040.1240) Detectors : Arrays
(040.3060) Detectors : Infrared
(300.0300) Spectroscopy : Spectroscopy

Citation
S. M. Arrivo, V. D. Kleiman, T. P. Dougherty, and E. J. Heilweil, "Broadband femtosecond transient infrared spectroscopy using a 256 x 256 element indium antimonide focal-plane detector," Opt. Lett. 22, 1488-1490 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-19-1488


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References

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