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Proceedings Paper

Characterization of the UV-induced refractive index variation in a new photosensitive glass
Author(s): Daniel Pircalaboiu; Daniel Milanese; Gabriella Motta; Guido Perrone; Monica Ferraris
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Paper Abstract

In this paper we present a quantitative characterization of the effects of UV laser beam exposure in a new germanium doped photosensitive glass. Several samples (both bulk ones and containing waveguides) have been exposed under different conditions to UV laser beams produced both by a C frequency doubled Ar-ion laser and by a pulsed excimer laser. The measured characteristics allowed the estimation of photosensitivity properties for each case. We have then evaluated the thermal stability of the induced index variation measuring the samples kept at temperatures varying from 25 to 400 degrees Celsius.

Paper Details

Date Published: 26 March 1999
PDF: 8 pages
Proc. SPIE 3620, Integrated Optics Devices III, (26 March 1999); doi: 10.1117/12.343737
Show Author Affiliations
Daniel Pircalaboiu, Politecnico di Torino (Romania)
Daniel Milanese, Politecnico di Torino (Italy)
Gabriella Motta, Politecnico di Torino (Italy)
Guido Perrone, Politecnico di Torino (Italy)
Monica Ferraris, Politecnico di Torino (Italy)


Published in SPIE Proceedings Vol. 3620:
Integrated Optics Devices III
Giancarlo C. Righini; S. Iraj Najafi, Editor(s)

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