Claims
- 1. A complex frequency response filter comprising a first and a second reflecting surfaces defining a resonant cavity therebetween, wherein:
each of said reflecting surfaces respectively has a predetermined surface finish providing given reflectivity causing a resonance, each of said resonance parts respectively having a predetermined shaped frequency response of a predetermined amplitude and of a predetermined periodicity.
- 2. The complex frequency response filter according to claim 1, wherein each of said surface finish respectively has a predetermined distributed reflectivity pattern.
- 3. The complex frequency response filter according to claim 1, wherein each of said reflecting surfaces is obtained by a photolithographic process.
- 4. The complex frequency response filter according to claim 1, wherein each of said predetermined periodicities is equal to each other.
- 5. The complex frequency response filter according to claim 1, wherein each of said reflecting surfaces comprises a planar mirror.
- 6. The complex frequency response filter according to claim 1, wherein each of said reflecting surfaces comprises a curved mirror.
- 7. The complex frequency response filter according to claim 1, wherein said first reflecting surface comprises a planar mirror and said second reflecting surface comprises a curved mirror.
- 8. The complex frequency response filter according to claim 1, wherein said reflecting surfaces extend in a substantially parallel relationship.
- 9. The complex frequency response filter according to claim 1, wherein said reflecting surfaces are immovable, thereby providing a Fabry Perot Etalon.
- 10. The complex frequency response filter according to claim 1, wherein an optical distance between said two reflecting surfaces is tunable.
- 11. A complex frequency response filter comprising a transmission medium and a first and a second reflecting surfaces defining a resonant cavity therebetween, wherein:
said transmission medium has a predetermined transmission pattern distributed therein providing a filtered light beam comprising a first part and a second part, each of said parts respectively having a predetermined shaped frequency response of a predetermined amplitude and of a predetermined periodicity.
- 12. The complex frequency response filter according to claim 11, wherein each of said reflecting surfaces respectively has a predetermined surface finish having a distributed reflectivity pattern.
- 13. The complex frequency response filter according to claim 11, wherein each of said predetermined periodicities is equal to each other.
- 14. A complex frequency response filter comprising a first and a second reflecting surfaces defining a resonant cavity therebetween, wherein:
each of said reflecting surfaces respectively has a predetermined surface finish providing a filtered light beam comprising a first and a second part, each of said parts respectively having a predetermined shaped frequency response of a predetermined amplitude and of a predetermined periodicity.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is related to and claims the benefit of the filing date of co-pending provisional application Serial No. 60/365,159 (the “'159 application”), filed on Mar. 19, 2002. The '159 application is incorporated by reference
Provisional Applications (1)
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Number |
Date |
Country |
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60365159 |
Mar 2002 |
US |