Search Results - "Squier, J"

Femtosecond Structural Dynamics in VO2 during an Ultrafast Solid-Solid Phase Transition by Cavalleri, A, Tóth, C, Siders, C W, Squier, J A, Ráksi, F, Forget, P, Kieffer, J C

“…Femtosecond x-ray and visible pulses were used to probe structural and electronic dynamics during an optically driven, solid-solid phase transition in VO(2)…”
Get full text

Simultaneous imaging of multiple focal planes using a two-photon scanning microscope by Amir, W, Carriles, R, Hoover, E E, Planchon, T A, Durfee, C G, Squier, J A

“…Despite all the advances in nonlinear microscopy, all existing instruments are constrained to obtain images of one focal plane at a time. In this Letter we…”
Get more information

Raman microscopy analysis of phase transformation mechanisms in vanadium dioxide by Petrov, G. I., Yakovlev, V. V., Squier, J.

“…Raman microscopy is used to study the evolution of vibrational modes of vanadium dioxide single crystals and thin films in the vicinity of the phase…”
Get full text

High average power Yb:CaF2 femtosecond amplifier with integrated simultaneous spatial and temporal focusing for laser material processing by Squier, J., Thomas, J., Block, E., Durfee, C., Backus, S.

“…A watt level, 10-kz repetition rate chirped pulse amplification system that has an integrated simultaneous spatial and temporal focusing (SSTF) processing…”
Get full text

Femtosecond x-ray measurement of ultrafast melting and large acoustic transients by Sokolowski-Tinten, K, Blome, C, Dietrich, C, Tarasevitch, A, Horn von Hoegen, M, von der Linde, D, Cavalleri, A, Squier, J, Kammler, M

“…Time-resolved x-ray diffraction with ultrashort ( approximately 300 fs), multi-keV x-ray pulses has been used to study the femtosecond laser-induced…”
Get full text

Simultaneous visualization of spatial and chromatic aberrations by two-dimensional Fourier transform spectral interferometry by Amir, W, Planchon, T A, Durfee, C G, Squier, J A, Gabolde, P, Trebino, R, Müller, M

“…We demonstrate the use of a simple tool to simultaneously visualize and characterize chromatic and spherical aberrations that are present in multiphoton…”
Get more information

Imaging of a linear diode bar for an optical cell stretcher by Roth, K B, Neeves, K B, Squier, J, Marr, D W M

“…We present a simplified approach for imaging a linear diode bar laser for application as an optical stretcher within a microfluidic geometry. We have recently…”
Get full text

Chirped-pulse amplification near the gain-narrowing limit of Yb-doped fiber using a reflection grism compressor by KUZNETSOVA, L, WISE, F. W, KANE, S, SQUIER, J

“…We report a numerical and experimental study of chirped-pulse amplification of femtosecond pulses near the gain narrowing limit of Yb-doped fiber. We show that…”
Get full text

Laser-induced breakdown by impact ionization in SiO2 with pulse widths from 7 ns to 150 fs by Du, D., Liu, X., Korn, G., Squier, J., Mourou, G.

“…Results of laser-induced breakdown experiments in fused silica (SiO2) employing 150 fs–7 ns, 780 nm laser pulses are reported. The avalanche ionization…”
Get full text

3D microscopy of transparent objects using third‐harmonic generation by Müller, Squier, Wilson, Brakenhoff

“…It is demonstrated that third‐harmonic generation (THG) near interfaces in the refractive index or the third‐order nonlinear susceptibility (χ(3)) permits…”
Get full text

Two‐photon image correlation spectroscopy and image cross‐correlation spectroscopy by Wiseman, P. W., Squier, J. A., Ellisman, M. H., Wilson, K. R.

“…We introduce two‐photon image correlation spectroscopy (ICS) using a video rate capable multiphoton microscope. We demonstrate how video rate two‐photon…”
Get full text

Breakthroughs in Photonics 2014: Spatiotemporal Focusing: Advances and Applications by Durfee, C. G., Squier, J. A.

“…Exploiting the characteristics of spatially chirped ultrafast pulses has been an increasingly active area of research. In this paper, we review the…”
Get full text

Hydrodynamic focusing for vacuum-pumped microfluidics by Stiles, T., Fallon, R., Vestad, T., Oakey, J., Marr, D. W. M., Squier, J., Jimenez, R.

“…Hydrodynamic focusing has proven to be a useful microfluidics technique for the study of systems under rapid mixing conditions. Most studies to date have used…”
Get full text

Anharmonic lattice dynamics in germanium measured with ultrafast x-ray diffraction by Cavalleri, A, Siders, C W, Brown, F L, Leitner, D M, Tóth, C, Squier, J A, Barty, C P, Wilson, K R, Sokolowski-Tinten, K, Horn Von Hoegen, M, von der Linde, D, Kammler, M

“…Damping of impulsively generated coherent acoustic oscillations in a femtosecond laser-heated thin germanium film is measured as a function of fluence by means…”
Get full text

Machining of sub-micron holes using a femtosecond laser at 800 nm by Pronko, P.P, Dutta, S.K, Squier, J, Rudd, J.V, Du, D, Mourou, G

“…The ability to machine very small features in materials has a number of technological applications. We have ablated holes, by laser ablation, into a metal…”
Get full text

Real time two‐photon absorption microscopy using multi point excitation by Buist, Müller, Squier, Brakenhoff

“…In this communication we present the development of a real time two‐photon absorption microscope, based on parallel excitation with many foci. This pattern of…”
Get full text

Third harmonic generation microscopy by Squier, J, Muller, M, Brakenhoff, G, Wilson, K R

“…Third harmonic generation microscopy is used to make dynamical images of living systems for the first time. A 100 fs excitation pulse at 1.2 aem results in a…”
Get full text

Light-induced vibrational structure in H2+ and D2+ in intense laser fields by ZAVRIYEV, A, BUCKSBAUM, P. H, SQUIER, J, SALINE, F

Get full text

Spatial chirp control of high-intensity 4D pulse focusing for laser-matter interactions by Durfee, C., Greco, M., Meier, A., Block, E., Squier, J.

“…Spatial chirp can be manipulated to control the focusing conditions for materials processing. Our double-ABCD nonparaxial analysis helps to understand and…”
Get full text

Grating compensation of third-order material dispersion in the normal dispersion regime: Sub-100-fs chirped-pulse amplification using a fiber stretcher and grating-pair compressor by Kane, S., Squier, J.

“…We describe a method for compensating large amounts of second- and third-order material dispersion, and we present two simple, compact and robust…”
Get full text