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Optical Engineering

Recording on As2S3 glassy films by pulsed and continuous illumination—optical evaluation and comparison
Author(s): Boris Spektor; Josef Shamir; Victor Lyubin; Matvei Klebanov
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Paper Abstract

In an experimental investigation, photosensitivity was evaluated for continuous and pulsed illumination at a wavelength of 532 nm. Since exposure to light results in photoinduced structural changes that are associated with changes in the refractive index of the material, the recording characteristics can be optically traced without any additional treatment, such as etching or other chemical processes. Measurements performed by interferometric methods and diffraction effects indicate an increase in photosensitivity by a factor of about 70 for exposure with pulses of 10 ns, as compared to continuous wave recording.

Paper Details

Date Published: 1 November 2003
PDF: 6 pages
Opt. Eng. 42(11) doi: 10.1117/1.1616561
Published in: Optical Engineering Volume 42, Issue 11
Show Author Affiliations
Boris Spektor, Technion-Israel Institute of Technology (Israel)
Josef Shamir, Technion-Israel Institute of Technology (Israel)
Victor Lyubin, Ben Gurion Univ. of the Negev (Israel)
Matvei Klebanov, Ben Gurion Univ. of the Negev (Israel)

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