Publications

Displaying 101 - 125 of 129

Probing nuclear quadrupole interactions in the rotationally resolved S1]S0 electronic spectrum of 2-chloronaphthalene

July 1, 2001

Author(s)

David F. Plusquellic, F -. Jahanmir

Rotationally resolved S 1 S o fluorescence excitation spectra of 2-chloronaphthalene (2CIN) are measured using a newly constructed UV laser/molecular beam spectrometer. More than 1000 well-resolved rotational lines are recorded for the two overlapping band

General Spectroscopic Analysis Software (MW/IR/UV Spectroscopy)

January 1, 2001

Author(s)

David F. Plusquellic

Probing Nuclear Quadrupole Interactions in the Rotationally Resolved S 1 -S 0 Electronic Spectrum of 2-Chloronaphthalene

January 1, 2001

Author(s)

David F. Plusquellic, S R. Davis, F -. Jahanmir

The Conformational Structures and Dipole Moments of Ethyl Sulfide in the Gas Phase

January 1, 2001

Author(s)

David F. Plusquellic, R D. Suenram, B Mate, J O. Jensen, A C. Samuels

Doppler-Free Nonlinear Absorption in Ethylene by Use of Continuous-Wave Cavity Ringdown Spectroscopy

June 1, 2000

Author(s)

C R. Bucher, K K. Lehmann, David F. Plusquellic, Gerald T. Fraser

We report the first systematic study of Doppler-free, nonlinear absorption using cavity ring-down spectroscopy. We have developed a variant of cavity ring-down spectroscopy for the mid-infrared region between 9-11 m exploiting the intracavity power buildup

Bond-Breaking in Quantum State Selected Clusters: Inelastic and Nonadiabatic Intracluser Collision Dynamics in Ar-H 2 O -> Ar + ( 2 S)+ OH( 2 P 1/2, 3/2;N)

May 1, 2000

Author(s)

O Votava, David F. Plusquellic, T L. Myers, David Nesbitt

High resolution vibrationally mediated IR + UV photodissociation methods are used to investigate the dvnamics of H-OH bond breaking in quantum state selected H 2O and Ar-H 2O van der Waal complexes prepared in a slit supersonic jet expansion. This

Bond-breaking in quantum state selected clusters: Inelastic and nonadiabatic intracluster collision dynamics in Ar-H 2 O - Ar + H( 2 S) + OH ( 2 P +or-} 1/2,3/2 ;N)

January 1, 2000

Author(s)

O Votava, David F. Plusquellic, T L. Myers, David Nesbitt

Bond-Breaking in Quantum State Selected Clusters: Inelastic and Nonadiabatic Intracluster Collision Dynamics in Ar-H 2 O - Ar + H( 2 S) + OH( 2 P +or-} 1/2,3/2 ;N)

January 1, 2000

Author(s)

O Votava, David F. Plusquellic, T L. Myers, David Nesbitt

Doppler-Free Nonlinear Absorption in C 2 H 4 Using CW Cavity Ring-down Spectroscopy

January 1, 2000

Author(s)

C R. Bucher, K K. Lehmann, David F. Plusquellic, Gerald T. Fraser

Rotational Signatures of Chemical Agents and Related Compounds

January 1, 2000

Author(s)

R D. Suenram, Angela R. Hight Walker, Gerald T. Fraser, David F. Plusquellic, R S. DaBell, Pamela M. Chu, George C. Rhoderick, A C. Samuels, J O. Jensen, Pavol Krivosik, J M. Lochner

The rotational spectra of more than twenty different chemical-warfare agents, precursors, and decomposition products have been studied using the technique of Fourier-Transform MicroWave (FTMW) spectroscopy. The compounds studied include the four common G

Rotational Signatures of Chemical Agents and Related Compounds

January 1, 2000

Author(s)

R D. Suenram, Angela R. Hight Walker, Gerald T. Fraser, David F. Plusquellic, R S. DaBell, P M. Chu, G C. Rhoderick, A C. Samuels, J O. Jensen, M W. Ellzy, J M. Lochner

Vibrationally Mediated Photolysis Dynamics of H 2 O in the V^dOH = 3 Manifold: Far Off-Resonance Photodissociation Cross Sections and OH Product State Distributions

May 1, 1999

Author(s)

O Votava, David F. Plusquellic, David Nesbitt

Vibrationally mediated photodissociation dynamics of water on the first excited electronic state surface (A) has been studied with slit jet-cooled H 2O prepared in the complete polyad of Ņ OH=3 overtone stretch levels (l03 +>, l12 +>, and l03->).

Vibrationally mediated photolysis dynamics of H 2 O in the v OH = 3 manifold: Far off resonance photodissociation cross sections and OH product state distributions

January 1, 1999

Author(s)

O Votava, David F. Plusquellic, David Nesbitt

Vibrationally Mediated Photolysis Dynamics of H 2 O in the v OH =3 Manifold: Far Off Resonance Photodissociation Cross Sections and OH Product State Distributions

January 1, 1999

Author(s)

O Votava, David F. Plusquellic, David Nesbitt

Bond-Selective Photofragmentation of Jet-Cooled HOD at 193 nm: Vibriationally Mediated Photochemistry With Zero-Point Excitation

October 1, 1998

Author(s)

David F. Plusquellic, O Votava, David J. Nesbitt

Photofragment yields are reported for supersonically cooled H 2O, D 2O, and HOD via one photon, 193 nm photolysis in a slit jet expansion, with OH and OD fragments monitored by laser induced fluorescence methods. Detailed analysis of the dependence of OH

Infrared Spectroscopic Studies of Wind-Tunnel Contamination

May 1, 1998

Author(s)

Angela R. Hight Walker, David F. Plusquellic, Gerald T. Fraser, A Weber, Walter J. Lafferty

Three infrared diagnostic techniques are developed to characterize chemical contamination in wind tunnels and shock tubes which can affect the reliability of infrared sensor and imaging system tests. The techniques are based on mid-infrared spectroscopy

Bond-Selective Photofragmentation of Jet-cooled HOD at 193 nm: Vibrationally Mediated Photochemistry with Zero Point Excitation

January 1, 1998

Author(s)

David F. Plusquellic, O Votava, J D. Nesbitt

Bond-selective photofragmentation of jet-cooled HOD at 193 nm: Vibrationally mediated photochemistry with zero-point excitation

January 1, 1998

Author(s)

David F. Plusquellic, O Votava, David J. Nesbitt

Infrared Spectroscopic Studies of Wind Tunnel Contamination

January 1, 1998

Author(s)

Angela R. Hight Walker, David F. Plusquellic, Gerald T. Fraser, Alfons Weber, Walter J. Lafferty

High Resolution Vibrational Overtone Studies of HOD and H 2 O With Single Mode, Injection Seeded Ring Optical Parametric Oscillators

December 1, 1997

Author(s)

O Votava, J R. Fair, David F. Plusquellic, E Riedle, David Nesbitt

sign, performance, and applications of a pulsed, single mode optical parametric oscillator (OPO) for studies of high resolution spectroscopy and photodissociation dynamics are presented. Single mode operation is achieved by resonantly seeding a four-mirror