Abstract
We demonstrate a multi-purpose all-fiber design for gas-filled cavities
based on hollow core photonic crystal fibers and on a specially designed
fiber connector system. The connector system allows to evacuate and to fill
the fiber core with a gaseous medium and keeping it pressure-tight. It also
allows connecting the hollow core fiber to standard fibers. We demonstrate
the flexibility and functionality by realizing three different all-fiber
spectroscopic devices. Firstly, a single pass gas cell for linear absorption
spectroscopy, secondly, a double pass gas cell and, thirdly, an all-fiber
Fabry–Perot cavity for nonlinear saturation spectroscopy.
© 2010 IEEE
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