Composite polymer: Glass edge cladding for laser disks
Abstract
Large neodymium glass laser disks for disk amplifiers such as those used in the Nova laser require an edge cladding which absorbs at 1 micrometer. This cladding prevents edge reflections from causing parasitic oscillations which would otherwise deplete the gain. Nova now utilizes volume-absorbing monolithic-glass claddings which are fused at high temperature to the disks. These perform quite well but are expensive to produce. Absorbing glass strips are adhesively bonded to the edges of polygonal disks using a bonding agent whose index of refraction matches that of both the laser and absorbing glass. Optical finishing occurs after the strips are attached. Laser disks constructed with such claddings have shown identical gain performance to the previous Nova disks and have been tested for hundreds of shots without significant degradation. 18 figs.
- Inventors:
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- OSTI Identifier:
- 6048455
- Patent Number(s):
- PATENTS-US-A7116806
- Application Number:
- ON: DE89011784
- Assignee:
- Dept. of Energy
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; GLASS; CLADDING; ABSORPTION; ADHESION; EPOXIDES; FABRICATION; INVENTIONS; OPTICAL EQUIPMENT; OSCILLATIONS; PERFORMANCE; POLYMERS; THERMAL STRESSES; DEPOSITION; EQUIPMENT; ORGANIC COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; STRESSES; SURFACE COATING; 360601* - Other Materials- Preparation & Manufacture; 360603 - Materials- Properties
Citation Formats
Powell, H T, Wolfe, C A, Campbell, J H, Murray, J E, Riley, M O, Lyon, R E, and Jessop, E S. Composite polymer: Glass edge cladding for laser disks. United States: N. p., 1987.
Web.
Powell, H T, Wolfe, C A, Campbell, J H, Murray, J E, Riley, M O, Lyon, R E, & Jessop, E S. Composite polymer: Glass edge cladding for laser disks. United States.
Powell, H T, Wolfe, C A, Campbell, J H, Murray, J E, Riley, M O, Lyon, R E, and Jessop, E S. 1987.
"Composite polymer: Glass edge cladding for laser disks". United States.
@article{osti_6048455,
title = {Composite polymer: Glass edge cladding for laser disks},
author = {Powell, H T and Wolfe, C A and Campbell, J H and Murray, J E and Riley, M O and Lyon, R E and Jessop, E S},
abstractNote = {Large neodymium glass laser disks for disk amplifiers such as those used in the Nova laser require an edge cladding which absorbs at 1 micrometer. This cladding prevents edge reflections from causing parasitic oscillations which would otherwise deplete the gain. Nova now utilizes volume-absorbing monolithic-glass claddings which are fused at high temperature to the disks. These perform quite well but are expensive to produce. Absorbing glass strips are adhesively bonded to the edges of polygonal disks using a bonding agent whose index of refraction matches that of both the laser and absorbing glass. Optical finishing occurs after the strips are attached. Laser disks constructed with such claddings have shown identical gain performance to the previous Nova disks and have been tested for hundreds of shots without significant degradation. 18 figs.},
doi = {},
url = {https://www.osti.gov/biblio/6048455},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Nov 02 00:00:00 EST 1987},
month = {Mon Nov 02 00:00:00 EST 1987}
}