Illustration (image) University of Vienna Caption This is an artist's rendering of an exploded view of the crystalline coating cavity. One of the bonded mirror discs, the key element of the low noise reflectors, can be seen here separated from the glass substrate, along with a magnified view of a unit cell of the AlGaAs crystal structure. Credit Brad Baxley, JILA Scientific Reports Office (SRO) Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.