Desk-top size high repetition rate 46.9 nm capillary discharge laser as photoionization source for photochemistry applications

S. Heinbuch; M. Grisham; D. Martz; F. Dong; E. R. Bernstein; J. J. Rocca

doi:10.1117/12.617382

13 September 2005 Desk-top size high repetition rate 46.9 nm capillary discharge laser as photoionization source for photochemistry applications

S. Heinbuch, M. Grisham, D. Martz, F. Dong, E. R. Bernstein, J. J. Rocca

Author Affiliations +

Proceedings Volume 5919, Soft X-Ray Lasers and Applications VI; 591907 (2005) https://doi.org/10.1117/12.617382
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

We report the demonstration of a high repetition rate desktop-size capillary discharge laser emitting at (= 46.9 nm (26.5 eV) used for experiments in photochemistry. Laser pulses with energy ~ 13 uJ were generated at 12 Hz repetition rate by single pass amplification in a 21 cm long Ne-like Ar capillary discharge plasma column. The capillary lifetime is 2-3 10⁴ shots. This new type of portable laser is of interest for numerous applications requiring a compact intense source of short wavelength laser light. One such application that we are currently pursuing is the study of small molecules using time of flight mass spectroscopy. Molecules include ammonia, NO, oxygen, hydrogen bonded nanoclusters, and metal oxide nanoclusters. Through single photon ionization the reactivity and catalytic behavior of these molecules is studied.

Citation Download Citation

S. Heinbuch, M. Grisham, D. Martz, F. Dong, E. R. Bernstein, and J. J. Rocca "Desk-top size high repetition rate 46.9 nm capillary discharge laser as photoionization source for photochemistry applications", Proc. SPIE 5919, Soft X-Ray Lasers and Applications VI, 591907 (13 September 2005); https://doi.org/10.1117/12.617382

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