We show that a liquid-hydrogen droplet can achieve high- Q values that exceed 10(9) for whispering-gallery modes in the ultraviolet. We show also that pumping high- Q liquid-hydrogen droplets with ultraviolet laser radiation generates many vibrational and rotational Raman sidebands that cover a broad spectral range from the ultraviolet to the near infrared.

In previous communications the authors have described the cellular and subcellular responses to ultraviolet irradiation directed to whole Chang liver cells and to portions of Chang liver cells (3-6). Two sources of ultraviolet have been utilized in these studies. One source was a mercury arc lamp the output of which was passed through a grating monochromator, and the second source was the ultra...

The kinetics of inactivation of mycobacteria by ultraviolet light were investigated. Mycobacterium tuberculosis and M. marinum were shown to be capable of photo-reactivation.

The purpose of this study was to evaluate the contribution of ultraviolet light (UV) as a causal factor of primary and pterygium recurrence. A conjuctival autograft transplantation was a surgical method of pterygium treatment. In the first group (38 eyes) were patients with primary and recurrent pterygium exposed to sun (worked outdoors), evaluating geodemographic status, and in the second grou...

A pinhole camera, an extreme ultraviolet (EUV) spectrometer, a fast gatable multichannel plate EUV detector, and a digital camera have been installed on the ASML EUV laboratory setup to perform time-resolved pinhole imaging and EUV spectroscopy on a copy of the Philips EUV hollow cathode discharge plasma source. The main properties of the setup have been characterized. Time-resolved measurement...

Articles you may be interested in Effects of vacuum ultraviolet irradiation on trapped charges and leakage currents of low-k organosilicate dielectrics Appl. Bandgap measurements of low-k porous organosilicate dielectrics using vacuum ultraviolet irradiation Appl. Influence of electron-beam and ultraviolet treatments on low-k porous dielectrics

I review the nature of the diffuse cosmic ultraviolet background radiation. The ultraviolet background is the last frontier: all the other diffuse backgrounds have been examined, at least at some level. The ultraviolet background has only begun to be explored; it offers rich promise of new astrophysical knowledge.

We have examined the functional architecture of the turtle Pseudemys scripta elegans retina with respect to colour processing, extending spectral stimulation into the ultraviolet, which has not been studied previously in the inner retina. We addressed two questions. (i) Is it possible to deduce the ultraviolet cone spectral sensitivity function through horizontal cell responses? (ii) Is there e...

This study examines the spectral sensitivity and cone topography of the sockeye salmon Oncorhynchus nerka throughout its life history with special emphasis on ultraviolet sensitivity. Electrophysiological recordings from the optic nerve show that ultraviolet sensitivity is greatly diminished at the smolt stage but reappears in adult fish weighing about 201 g. Concomitantly, light microscopy obs...