Pulsed-laser deposition of Ga-La-S chalcogenide glass films for optical waveguide applications
Eason, R.W., Youden, K.E., Grevatt, T., Rutt, H.N., Deol, R.S., Wylangowski, G. and Gill, D.S. (1993) Pulsed-laser deposition of Ga-La-S chalcogenide glass films for optical waveguide applications In, Laser Ablation: Mechanisms and Applications 2. Second international conference, Knoxville, TN, April 1993. Maryland, US, American Institute of Physics p. 583.
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Thin films of Ga-La-S chalcogenide glass have been ablatively deposited onto a range of substrates, including CaF2, and microscope cover slips. The resultant films are deficient in their sulphur composition by approximately 25%, when compared to the bulk targets used, but the interesting chalcogenide photostructural effects are not compromised by this deficiency. Experiments so far have established that photorefractive effects, such as photodoping, photobleaching and grating formation. all occur readily in the thin films, and gratings have been written using laser and e-beam addressing, to create diffractive structures for optical waveguide applications.
|Item Type:||Book Section|
|Date Deposited:||11 Mar 2010|
|Last Modified:||18 Apr 2017 20:32|
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