Channel waveguides in ion-exchanged Pyrex by direct UV writing

Sheridan, A.K., Gawith, C.B.E., Emmerson, G.D., Milton, J.A., Smith, P.G.R. and Wilkinson, J.S. (2004) Channel waveguides in ion-exchanged Pyrex by direct UV writing Optics Communications, 242, (1-3), pp. 109-114. (doi:10.1016/j.optcom.2004.08.014).


Full text not available from this repository.


In this paper, we show that UV irradiation can induce a significant refractive index change in Pyrex, a commercial oxide glass which does not contain the most common photosensitiser, germanium. We describe the fabrication of channel waveguides in potassium-ion exchanged Pyrex by UV writing and find the maximum UV-induced change in refractive index to be 1 × 10^-3. UV-induced changes in the absorption spectrum are reported and attributed to the formation of defects from iron impurities inherent in the glass. A colour-centre-related model for the observed refractive index change is proposed.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.optcom.2004.08.014
ISSNs: 0030-4018 (print)
Related URLs:
ePrint ID: 16085
Date :
Date Event
Date Deposited: 23 Jun 2005
Last Modified: 16 Apr 2017 23:26
Further Information:Google Scholar

Actions (login required)

View Item View Item