By Topic

A static test system for optical data storage media

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Euteneuer, A. ; TuiOptics GmbH, Munich, Germany ; Huggler, D. ; Weber, T.

Marks on writable and rewritable optical data storage media are typically created by a thermal process, that is initiated by a focused laser pulse. While for phase-change (PC) media the local heating induces a physical change between the amorphous and the crystalline phase, for magneto-optical (MO) media heating above the Curie temperature allows the reversal of the magnetic moment. These changes result in a change of the intensity or the polarization state of the reflected beam. For development or optimisation of such writable or rewritable layers a system is helpful, that allows to irradiate the media with a pulsed and diffraction limited laser spot, whose pulse power and duration can be modified. Fast photodetectors allow to measure the change of intensity and/or polarization during and after the heating process initiated by the laser, which gives indications for the dynamics of the media.

Published in:

Optical Data Storage, 2000. Conference Digest

Date of Conference:

14-17 May 2000