Generation of large alkali vapor densities inside bare hollow-core photonic band-gap fibers.
We demonstrate the ability to generate extremely large rubidium densities in uncoated hollow-core photonic band-gap fibers using light-induced atomic desorption. Once the fiber is exposed to Rb vapor for 1-2 weeks, and this atomic source is removed, the fiber yields large desorbable densities for an extended period of time. We show that optical depths greater than e(-1200) can be created within seconds. Our observed Rb densities are several orders of magnitude larger than any previously reported to be generated optically, and allow for the demonstration of a relatively easy-to-use fiber-based vapor cell capable of producing large optical depths without the need for thermal tuning.
Slepkov
Aaron D
AD
School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853, USA. as584@cornell.edu
Bhagwat
Amar R
AR
Venkataraman
Vivek
V
Londero
Pablo
P
Gaeta
Alexander L
AL
D000468:Alkalies / Q000737:chemistry*; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D005740:Gases / Q000737:chemistry*; D055100:Optical Fibers; D017785:Photons; D015203:Reproducibility of Results; D012413:Rubidium / Q000737:chemistry*; D012680:Sensitivity and Specificity
D000468:Alkalies; D005740:Gases; D012413:Rubidium