, Volume 84, Issue 3, pp 395-400
Date: 16 May 2006

Generation of ultraviolet broadband light in a single-mode fiber

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Abstract

Ultraviolet broadband light spanning 337–405 nm was produced in a single-mode optical fiber primarily by stimulated Raman scattering. Pulses of 4 ns duration at 337 nm were coupled into a 50 m long ultraviolet-grade fiber featuring single-mode operation in the 320–450 nm range. Significant spectral broadening was achieved with pulses of only ∼10 W peak power. Our experiments demonstrate the potential for a source with ∼104 times the spectral radiance of a quartz tungsten halogen lamp, which is currently used for many applications in this wavelength range.

PACS

42.65.Ky; 42.81.Wg