Accession Number:

ADA191140

Title:

Transparent Glass Ceramics Doped by Chromium(III) and Chromium(III) and Neodymium(III) as New Materials for Lasers and Luminescent Solar Concentrators.

Descriptive Note:

Rept. for 1 May 87-31 Dec 87,

Corporate Author:

HEBREW UNIV JERUSALEM (ISRAEL) DEPT OF INORGANIC AND ANALYTICAL CHEMISTRY

Personal Author(s):

• Reisfeld, Renata

Report Date:

1987-12-31

Pagination or Media Count:

12.0

Abstract:

Tunable lasers based on organic dyes are well known and their applications in various branches in physics and chemistry are well established by now. Because of degradation of the dyes under severe atmospheric conditions there is a need to replace the organic molecules by inorganic ions incorporated in a stable inorganic matrix which will have the optical properties and the tunability range of the organic dyes but will not suffer the disadvantage of degradation. One of such materials is single crystal alexandrite doped by trivalent chromium. During the first two years of the research we have shown that spectroscopic properties of CrIII in several singly doped glass-ceramics are comparable to those of alexandrite and the preparation is much easier and more economical. In our present research we are investigating the possibility of extending the tunability range and optimization of the performance of the glass ceramics materials by co-doping with NdIII.Keywords Israel.

Descriptors:

• *CERAMIC MATERIALS
• *GLASS
• BERYL
• DEGRADATION
• DYES
• GEMS(MINERALS)
• OPTICAL PROPERTIES
• OPTIMIZATION
• ORGANIC COMPOUNDS
• SINGLE CRYSTALS
• TRANSPARENCE
• TUNABLE LASERS
• LASER APPLICATIONS
• SYNTHESIS(CHEMISTRY)
• DOPING
• CHROMIUM
• NEODYMIUM
• SOLAR HEATING

Subject Categories:

• Ceramics, Refractories and Glass

Distribution Statement:

APPROVED FOR PUBLIC RELEASE