@conference{10902/4598,
year = {2008},
url = {http://hdl.handle.net/10902/4598},
abstract = {We have applied the frequency-modulation (FM) technique in the 1.5 µm wavelength region to observe saturated absorption in ammonia in hollow-core photonic bandgap fibers (HC-PBFs). Previously blended lines have been resolved.},
publisher = {Optical Society of America},
publisher = {Quantum Electronics and Laser Science Conference (QELS) 2008, San José, California,  paper JFA2},
title = {Optical heterodyne saturation spectroscopy in ammonia filled hollow-core photonic bandgap fibers},
author = {Cubillas de Cos, Ana María and Hald, Jan and Petersen, Jan Conrad},
}