1. A new passive device, plastic fiber grating, is proposed based on our researches on fiber grating tunability and plastic fibers. We analyzed its characteristics.

2. A new passive device, plastic fiber grating, is proposed based on our researches on fiber grating tunability and plastic fibers.

3. The prism-grating coupler(PGC)is a passive device in the field of integrated optics.

4. This passive device has many advantages upon other device for static electricity elimination.

5. The Variable Optical Attenuator(VOA) is a kind of passive device that find wide application in optical communication network and optical fiber test system.

6. This paper discussed a passive device which can eliminate the hazard of the static electricity in the tank car.

7. The passive device adopts creative method to eliminate the hazard of the static electricity rather than several traditional ways to eliminate the hazard of the static electricity.

8. Fiber Bragg grating (FBG) is an optical fiber passive device and develops quickly in the last decade.

9. Basic passive device integration regions include capacitor, resistor and inductor layers.

10. The optical passive device is part of the optical fiber communication industry.

11. With the improving technic and the emergence of more and more advance research production , fiber Bragg grating(FBG) had become one of the most successful optic passive device.

12. Filters, couplers and baluns are fabricated in the high frequency passive device integration regions.

12. Wish you will love and make progress everyday!

13. The term "direct, " as used in both definitions, may be construed as permitting a passive device such as a pad (attenuator) to accommodate power level constraints.

14. The apodized linear chirped fiber grating is an important passive device for dispersion compensation.

15. Optical fiber grating is a kind of optical fiber passive device, it is developed quickly and widely used in recent years.

16. On the other side, the request of microwave communicating system becomes more and more critical to the performance of microwave passive device including coupler, splitter.