Abstract
We present an all-optical method for measuring the average size, density, and mass fraction of large (>50 nm) clusters produced in cryogenically cooled, continuous gas jets. The technique combines three optical diagnostics - forward/backward Mie scattering detection, 90° scattering imaging, and neutral gas interferometry. Our measurement shows that cryogenic cooling and high backing gas pressure greatly enhance both cluster size and clustering ratio in continuous gas flow. Such a cluster source can be used as a potential target for intense, high-repetition-rate (>kHz) laser pulses. © 2014 AIP Publishing LLC.
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CITATION STYLE
Jang, D. G., You, Y. S., Milchberg, H. M., Suk, H., & Kim, K. Y. (2014). All-optical characterization of cryogenically cooled argon clusters in continuous gas jets. Applied Physics Letters, 105(2). https://doi.org/10.1063/1.4890596
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