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Dansson MA, Boisselle M, Linne MA, et al. Complications to optical measurements using a laser with an unstable resonator: a case study on laser-induced incandescence of soot. Appl Opt. 2007;46(33):8095-103doi: 10.1364/ao.46.008095.
Dansson, M. A., Boisselle, M., Linne, M. A., & Michelsen, H. A. (2007). Complications to optical measurements using a laser with an unstable resonator: a case study on laser-induced incandescence of soot. Applied optics, 46(33), 8095-103. https://doi.org/10.1364/ao.46.008095
Dansson, Mark A, et al. "Complications to optical measurements using a laser with an unstable resonator: a case study on laser-induced incandescence of soot." Applied optics vol. 46,33 (2007): 8095-103. doi: https://doi.org/10.1364/ao.46.008095
Dansson MA, Boisselle M, Linne MA, Michelsen HA. Complications to optical measurements using a laser with an unstable resonator: a case study on laser-induced incandescence of soot. Appl Opt. 2007 Nov 20;46(33):8095-103. doi: 10.1364/ao.46.008095. PMID: 18026549.
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Appl Opt. 2007 Nov 20;46(33):8095-103. doi: 10.1364/ao.46.008095.

Complications to optical measurements using a laser with an unstable resonator: a case study on laser-induced incandescence of soot.

Applied optics

Mark A Dansson, Matthew Boisselle, Mark A Linne, Hope A Michelsen

Affiliations

  1. Combustion Research Facility, Sandia National Laboratories, P.O. Box 969, MS 9055, Livermore, California 94551-0969, USA.

PMID: 18026549 DOI: 10.1364/ao.46.008095

Abstract

Temporal behavior of pulses from a Q-switched Nd:YAG laser with an unstable resonator can vary significantly with radial position in the beam. Our laser provides pulses with position-dependent durations spanning 8-11.5 ns at 1064 nm and 7-10 ns at 532 nm. Pulses emerge first and have the longest duration at the center of the beam; they are shorter (by up to 4 ns) and increasingly delayed (by up to 10 ns) with increasing radial distance from the center. This behavior can have a dramatic effect on time-sensitive experiments, such as laser-induced incandescence of soot, if not taken into account.

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