A series of optical ceramics based on dysprosium oxide were produced and characterized. The influence of ceramics composition on optical transmission of the obtained samples was investigated. The temperature dependences of the Verdet constant of dysprosium based ceramics with various compositions: (Dy0.7Y0.25La0.05 )2O3, (Dy0.85 Y0.1La0.05)2O3 and (Dy0.9Y0.05La0.05)2O3 in the temperature range 80 – 294 K and in the wavelength range 405 – 1064 nm were studied and their approximations for the temperature – wavelength range are obtained. Cryogenic cooling by the liquid nitrogen leads to increase studied ceramics’ Verdet constant value in ~3.46 times, relatively 294 K, that allow to use this material, in cryogenically cooled Faraday isolators for Tm3+ and Ho3+ lasers, and for lasers operating in the visible spectral region.
We have studied the effect of strong statistical dispersion of thermal lensing in laser ceramics. This effect is specific to
ceramics and has no analogues either in glasses or crystals. The consequence of this effect is a spatial phase modulation
with a characteristic size ofthe order ofa grain size.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.