Claims
- 1. A compound intercavity interferometer for a free-electron laser (FEL) comprising:
a. an optical coupler positioned at a predetermined angle with respect to an optical axis; and b. an optical filter positioned at a predetermined angle with respect to a predetermined portion of light passed through the optical coupler, the optical filter comprising a first surface and a second surface opposite the first surface; c. whereby:
i. a first predetermined portion of light entering the optical coupler is transmitted to a first interferometer; ii. a second predetermined portion of light entering the optical coupler is transmitted to the optical filter; and iii. a third predetermined portion of light entering the optical filter is transmitted to a second interferometer
RELATED APPLICATIONS
[0001] The present invention claims priority from U.S. Provisional Application No. 60/271,872 filed Feb. 23, 2001 and U.S. Provisional Application No. 60/271,873 filed Feb. 23, 2001.
Provisional Applications (2)
|
Number |
Date |
Country |
|
60271872 |
Feb 2001 |
US |
|
60271873 |
Feb 2001 |
US |