+ Site Statistics
+ Search Articles
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ PDF Full Text
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Translate
+ Recently Requested

Single-shot spatially resolved characterization of laser-induced shock waves in water

Single-shot spatially resolved characterization of laser-induced shock waves in water

Applied Optics 37(19): 4092-4099

We have developed an optical method for single-shot spatially resolved shock-wave peak-pressure measurements. A schlieren technique and streak photography were used to follow the propagation of the shock wave. The shock position r as a function of time was extracted from the streak images by digital image-processing techniques. The resulting r(t) curves were differentiated with respect to time to yield shock-wave velocities that were converted to shock pressures with the aid of the equation of the state of the medium. Features and limitations of the technique are demonstrated and discussed on the basis of measurements of shock-wave amplitudes generated by laser-induced breakdown in water. For this purpose, laser pulses of 6-ns duration and pulse energies of 1 and 10 mJ were focused into a cuvette containing water. Complete p(t) curves were obtained with a temporal resolution in the subnanosecond range. The total acquisition and processing time for a single event is ~2 min. The shock-peak pressures at the source were found to be 8.4 ? 1.5 and 11.8 ? 1.6 GPa for pulse energies of 1 and 10 mJ, respectively. Within the first two source radii, the shock-wave pressure p(r) was found to decay on average in proportion to r(-1.3?0.2) for both pulse energies. Thereafter the pressure dropped in proportion to r(-2.2?0.1). In water the method can be used to measure shock-wave amplitudes exceeding 0.1 GPa. Because it is a single-shot technique, the method is especially suited for investigating events with large statistical variations.

(PDF emailed within 1 workday: $29.90)

Accession: 055799529

Download citation: RISBibTeXText

PMID: 18285846

Related references

Polarization resolved laser induced breakdown spectroscopy by single shot nanosecond pulsed Nd:YAG laser. Optics and Lasers in Engineering 48(7-8): 750-753, 2010

Single-camera, single-shot, time-resolved laser-induced incandescence decay imaging. Optics Letters 43(21): 5363-5366, 2018

Optodynamic characterization of shock waves after laser-induced breakdown in water. Optics Express 13(11): 4107-4112, 2005

Spatial characterization of laser-induced plasmas by deconvolution of spatially resolved spectra. Applied Optics 42(30): 5938-5946, 2003

Reaction-time-resolved measurements of laser-induced fluorescence in a shock tube with a single laser pulse. Review of Scientific Instruments 88(11): 115105, 2017

Single-pulse laser-induced OH fluorescence in an atmospheric flame, spatially resolved with a diode array detector. Applied Optics 21(7): 1236-1240, 1982

Time-resolved observations of shock waves and cavitation bubbles generated by femtosecond laser pulses in corneal tissue and water. Lasers in Surgery and Medicine 19(1): 23-31, 1996

Single-shot digital holographic microscopy for quantifying a spatially-resolved Jones matrix of biological specimens. Optics Express 24(25): 29302-29311, 2018

Single-bubble and multibubble cavitation in water triggered by laser-driven focusing shock waves. Physical Review. E 97(5-1): 053112, 2018

Spatially resolved flow velocity measurements using laser-induced fluorescence from a pulsed laser. Optics Letters 14(1): 9-11, 1989

An optically multiplexed single-shot time-resolved probe of laser-plasma dynamics. Optics Express 27(4): 4416-4423, 2019

Renal damage in the extracorporeal shock waves influence of the peak pressure and the shot rate of shock waves generated by a piezoceramics. Journal of Urology 141(4 PART 2): 353A, 1989

Effect of focusing conditions on laser-induced shock waves at titanium-water interface. Applied Optics 50(19): 3275-3281, 2011

Determination of the pulse duration of an x-ray free electron laser using highly resolved single-shot spectra. Physical Review Letters 109(14): 144801, 2012

Single-shot measurement of the intensity and phase of a femtosecond UV laser pulse with frequency-resolved optical gating. Optics Letters 19(14): 1061-1063, 1994