| 10944483 |
Reflection-type coherent optical communication system combined with unidirectional optical signal amplification |
Shiwen Jin, Yuanyuan Jiang, Miao Yan |
2021-03-09 |
| 7525672 |
Efficient characterization of symmetrically illuminated symmetric 2-D gratings |
Guoguang Li |
2009-04-28 |
| 7505147 |
Efficient calculation of grating matrix elements for 2-D diffraction |
Guoguang Li |
2009-03-17 |
| 7391524 |
System and method for efficient characterization of diffracting structures with incident plane parallel to grating lines |
Guoguang Li |
2008-06-24 |
| 7289214 |
System and method for measuring overlay alignment using diffraction gratings |
Guoguang Li, Abdul Rahim Forouhi |
2007-10-30 |
| 7253909 |
Phase shift measurement using transmittance spectra |
Guoguang Li, Phillip Walsh, Abdul Rahim Forouhi |
2007-08-07 |
| 7212293 |
Optical determination of pattern feature parameters using a scalar model having effective optical properties |
Guoguang Li, Phillip Walsh |
2007-05-01 |