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Conferences > QELS > 2002 > JTuF > JTuF5
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 2002),
  • paper JTuF5

Ultrafast Lattice-Bonding Dynamics of Tellurium

C.A.D. Roeser, A.M.-T. Kim, and E. Mazur

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Abstract

Coherent phonons in tellurium were first observed by Cheng et al. in 19901 and a displacive excitation mechanism (DECP) was proposed.1,2 In DECP, a laser pulse shorter than the phonon period instantaneously weakens the bonds and coherent oscillations ensue about newly established equilibrium lattice positions. Accordingly, only symmetry-preserving phonon modes can be excited via this mechanism.

© 2002 Optical Society of America

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