High intensity laser mass spectrometry—a review

KWD Ledingham, RP Singhal - … journal of mass spectrometry and ion …, 1997 - Elsevier
Resonance Enhanced Multiphoton Ionization (REMPI) and Resonance Ionization Mass
Spectrometry (RIMS) with their non-resonant equivalents are sensitive laser-based …

On the fragmentation of nitrobenzene and nitrotoluenes induced by a femtosecond laser at 375 nm

C Kosmidis, KWD Ledingham, HS Kilic… - The Journal of …, 1997 - ACS Publications
The photodissociation of nitrobenzene and the nitrotoluene isomers at 375 nm, induced by a
90 femtosecond laser, is analyzed and compared with the fragmentation by a 10 …

Heating effects in tip-enhanced optical microscopy

A Downes, D Salter, A Elfick - Optics Express, 2006 - opg.optica.org
Finite element simulations of laser-induced heating in scanning probe microscopy are
presented. The electromagnetic field is first simulated for a variety of tip and substrate …

Dissociation of methane in intense laser fields

S Wang, X Tang, L Gao, ME Elshakre… - The Journal of Physical …, 2003 - ACS Publications
The dissociation of methane in the intense laser field has been investigated experimentally
and theoretically. Using an amplified ultrafast Ti: sapphire laser around 800 nm coupled to a …

Multiply charged ions from aromatic molecules following irradiation in intense laser fields

KWD Ledingham, DJ Smith, RP Singhal… - The Journal of …, 1999 - ACS Publications
It is well-known that aromatic molecules, when irradiated by UV laser beams in the
nanosecond pulse width regime, yield exclusive parent ions at laser intensities of 107 W cm …

Molecular pendular states in intense laser fields

GR Kumar, P Gross, CP Safvan, FA Rajgara, D Mathur - Physical Review A, 1996 - APS
Direct experimental evidence is presented for the formation of aligned states of the linear
triatomic molecules CO 2 and CS 2; manifestation of pendular motion is obtained in high …

Dissociative ionization of benzene in intense laser fields of picosecond duration

VR Bhardwaj, K Vijayalakshmi, D Mathur - Physical Review A, 1999 - APS
Mass spectrometry experiments have been performed to probe the morphology of
dissociative ionization of a ring molecule benzene when it is immersed in a laser field of 35 …

Dissociative ionization of NO in an intense laser field: a route towards enhanced ionization

A Talebpour, S Larochelle, SL Chin - Journal of Physics B …, 1997 - iopscience.iop.org
Using 200 fs Ti: sapphire laser pulses to ionize and fragment NO molecules, we showed
through the measurement of ion yield and the correlation maps of ion fragments that the …

An investigation of the angular distributions of fragment ions arising from the linear CS2 and CO2 molecules

P Graham, KWD Ledingham, RP Singhal… - Journal of Physics B …, 1999 - iopscience.iop.org
The nonlinear interaction of the triatomic molecules CS 2 and CO 2 with the intense field of a
linearly polarized laser beam of femtosecond (fs) pulse duration, was used to study the …

Vibrations and dissociation of molecules in strong electric fields: N2, NaCl, H2O and SF6

B Delley - Journal of Molecular Structure: THEOCHEM, 1998 - Elsevier
The static deformations and vibrations of the title compounds with an applied static electric
field have been studied by density functional theory calculations. It is found that for diatomic …