| 8953161 |
Optical spectrum analyzer with continuously rotating tunable filter |
Yung-Chieh Hsieh |
2015-02-10 |
| 8270067 |
Sagnac delay-line interferometer for DPSK demodulation |
Yung-Chieh Hsieh |
2012-09-18 |
| 7961316 |
Optical spectrum analyzer with continuously rotating tunable filter |
Yung-Chieh Hsieh |
2011-06-14 |
| 7408713 |
Step-phase interferometric optical interleaver |
Yung-Chieh Hsieh |
2008-08-05 |
| 7286757 |
Optical performance monitoring device |
Yung-Chieh Hsieh |
2007-10-23 |
| 7092162 |
Bandwidth enhancement device |
Yung-Chieh Hsieh |
2006-08-15 |
| 6909549 |
Tunable filter for optical add/drop module |
Yung-Chieh Hsieh, Hong Li, Dar-Yuan Song |
2005-06-21 |
| 6816315 |
Optical path length tuner |
Yung-Chieh Hsieh, Dar-Yuan Song |
2004-11-09 |
| 6714743 |
Wide range tunable filter |
Yung-Chieh Hsieh, Chang-Tsung Lin |
2004-03-30 |
| 5689337 |
Coaxial disc-mount for measuring flatness of computer-drive discs by interferometry |
Joseph A. Lamb, Jr. |
1997-11-18 |
| 5633715 |
Centroid approach for estimating modulation peak in broad-bandwidth interferometry |
Erik Novak |
1997-05-27 |
| 5502566 |
Method and apparatus for absolute optical measurement of entire surfaces of flats |
James C. Wyant, Lian SHAO, Robert E. Parks |
1996-03-26 |
| 5471303 |
Combination of white-light scanning and phase-shifting interferometry for surface profile measurements |
Paul J. Caber |
1995-11-28 |
| 5452088 |
Multimode-laser interferometric apparatus for eliminating background interference fringes from thin-plate measurements |
— |
1995-09-19 |
| 5398112 |
Method for testing an optical window with a small wedge angle |
James C. Wyant |
1995-03-14 |
| 5321497 |
Interferometric integration technique and apparatus to confine 2.pi. discontinuity |
Yiping Xu |
1994-06-14 |
| 5064286 |
Optical alignment system utilizing alignment spot produced by image inverter |
John B. Hayes |
1991-11-12 |