|
bi - Picometer Ellipsometer (446 words) |
 | In contrast to conventional ellipsometers based on the nulling technique, the Picometer Ellipsometer uses phase modulation to achieve a higher sensitivity and lower noise under almost any measurement condition. |
| The Picometer Ellipsometer is more than just an ellipsometer: it is a base system that can be configured for a variety of optical measurements. |
| When operated at normal incidence the Picometer Ellipsometer becomes a fast and highly sensitive instrument for studying reflectance anisotropy. |
|
Origins: Library (87 words) |
| Demonstrate the capability to measure the relative orientations of 3 collinear interferometer baselines to 100 picometers in 3-D |
| Orientation of each baseline is determined from 3-D position of a pair of corner cubes at each end of the baseline |
| Demonstrate that a set of 1-D laser gauges can be configured into an "optical truss" to make 3-dimensional 100 picometer level measurements |
Feeds |
Contact